```markdown <img src="https://i.imgur.com/1QZqzQz.jpg" alt="Dental Management of Oral Cancer Patients"/> Dr Agnieszka Frydrych ```  #### Presentation Overview Presented by Dr. Agnieszka Frydrych, this document outlines the clinical protocols and considerations for the dental management of patients diagnosed with oral cancer. A close-up clinical photograph showing a lesion in the oral cavity, likely representing an oral cancer patient. The image displays a visible ulcerated area on the gingiva adjacent to teeth, with surrounding inflamed tissue and possible necrotic material, illustrating a case relevant to dental management of oral cancer. # Why is this important? - Dental care forms an integral part of the multidisciplinary management of oral and oropharyngeal cancer patients and it significantly contributes to the preservation of life quality Dental care forms an integral part of the multidisciplinary management of oral and oropharyngeal cancer patients and it significantly contributes to the preservation of life quality. **Oral Cavity (OC) and Oropharyngeal (OP) Cancer** - In Australia about 3,000 new cases of oral and oropharyngeal cancer are reported a year (~2.5% of all cancers)  #### Australian Statistics In Australia, about 3,000 new cases of oral and oropharyngeal cancer are reported annually, representing approximately 2.5% of all cancer diagnoses. A screenshot of a scientific article from the Australian Dental Journal, titled 'Knowledge and perceptions regarding oral and pharyngeal carcinoma among adult dental patients,' which is referenced in the context of oral and oropharyngeal cancer statistics in Australia.  A man in a dark suit and white shirt is singing into a microphone on stage, with purple lighting in the background. The image is part of a news segment about a cancer diagnosis, as indicated by the text overlay. “The Farnham Cancer” “John has been through an eleven and a half hour surgery in Melbourne yesterday and is now in a stable condition in ICU. The cancerous tumour was located in his mouth and it has been successfully removed.” JILL FARNHAM FARNHAM’S FAMILY SPEAKS SAYS THEY’RE OVERWHELMED BY OUTPOURING OF LOVE FIGHT OF HIS LIFE   #### Case Study: John Farnham John Farnham underwent an eleven-and-a-half-hour surgery in Melbourne to remove a cancerous tumor located in his mouth. Following the successful removal, he was reported to be in stable condition in the ICU. His family, including Jill Farnham, expressed that they were overwhelmed by the outpouring of love during what has been described as the "fight of his life." A screenshot of a news broadcast showing a man singing, with text overlay reporting that John Farnham underwent an eleven and a half hour surgery in Melbourne, with the cancerous tumor successfully removed. The photo includes a quote from Jill Farnham and a news ticker at the bottom. A news segment photo featuring a male news anchor standing in front of a screen displaying an image of John Farnham and his family, with the text 'FIGHT OF HIS LIFE' prominently shown. The background includes medical-themed graphics. # Oral Cavity (OC) and Oropharyngeal (OP) Cancer - Adverse impacts on life quality → High suicide rates #### Psychosocial Impact Oral and oropharyngeal cancers have severe adverse impacts on quality of life, which is reflected in high suicide rates among this patient population. ```markdown **OC and OP Cancer** - Over 90% of cancers of the oral cavity and the oropharynx are SCC ```  #### Histopathology Over 90% of cancers of the oral cavity and the oropharynx are Squamous Cell Carcinoma (SCC). A clinical photograph showing a case of oral cavity cancer, with visible tumor growth on the floor of the mouth and surrounding tissues, illustrating the condition discussed in the text about SCC being the most common type of oral and oropharyngeal cancer. ```markdown **OC and OP Cancer** - The incidence of oral squamous cell carcinoma is increasing among young patients ```  #### Demographic Trends The incidence of oral squamous cell carcinoma is increasing among young patients. A clinical photograph showing a case of oral squamous cell carcinoma, with a visible tumor on the tongue. The image illustrates the condition discussed in the slide's text about increasing incidence among young patients.  A close-up clinical photograph showing a lesion in the oral cavity, likely related to OC and OP Cancer, with visible tissue changes, inflammation, and possible ulceration near the teeth and gingiva.  A close-up intraoral photograph showing the upper and lower teeth, with a noticeable lesion or abnormality on the palate. The image is labeled "OC and OP Cancer" at the top, indicating a focus on oral cavity and oropharyngeal cancer. The surrounding tissue appears inflamed, and there are dental restorations visible on some teeth. **Treatment** <img src="https://i.imgur.com/placeholder.jpg" alt="Oral cavity showing redness and swelling on the tongue, with visible teeth and gums." /> *Note: The image shows a clinical presentation, likely for educational or diagnostic purposes. No additional text or context is provided in the image or PDF beyond the title and the visual.*  Clinical presentation of oral cavity pathology, including visible redness and swelling on the tongue. A clinical photograph showing the oral cavity with visible redness and swelling on the tongue, along with teeth and gums. The image is labeled "Treatment" and appears to illustrate a medical condition for diagnostic or educational purposes. ```markdown Treatment - Surgery - Radiation therapy - Surgery + radiation therapy - Radiation + chemo therapy - Surgery + radiation + chemo therapy - No treatment (palliation) ```  #### Therapeutic Approaches - Surgery - Radiation therapy - Surgery + radiation therapy - Radiation + chemotherapy - Surgery + radiation + chemotherapy - No treatment (palliation) A bulleted list under the heading "Treatment" on a blue background, listing various treatment options including surgery, radiation therapy, chemotherapy, and combinations thereof, with the last item being "No treatment (palliation)". **Surgery**  #### Surgical Intervention Content related to surgical management of oral cancer. A surgical photograph showing an open surgical site with exposed tissue and a metallic plate securing the jaw. The image is labeled "Surgery" at the top, indicating it is a medical illustration of a surgical procedure. **Surgery**   #### Surgical Intervention Additional considerations regarding surgical procedures. A close-up intraoral photo showing a surgical site in the mouth with a visible lesion on the palate, surrounded by teeth and oral tissues, under clinical examination. A second intraoral photo depicting a surgical procedure with a dental instrument in place, highlighting a lesion or surgical area with visible tissue manipulation and a yellowish substance, possibly pus or exudate. ```markdown Radiation therapy - Doses required to kill malignant cells range from 50-70Gy → **High dose!** - Radiation is fractionated into daily doses of ~ 2Gy - Delivered Monday to Friday, usually over a 6-7 week period ``` #### Radiation Dosage and Administration - Doses required to kill malignant cells range from 50-70Gy (High dose) - Radiation is fractionated into daily doses of approximately 2Gy - Delivered Monday to Friday, usually over a 6-7 week period ```markdown Radiation therapy - Radiation dermatitis ```   #### Dermatological Impact - Radiation dermatitis Close-up photo of a man's neck showing radiation dermatitis, with red, inflamed skin around a tattoo on the left side of his neck. Photo of a man's upper back displaying radiation dermatitis, with reddened and irritated skin surrounding a large, colorful tattoo. ```markdown Radiation therapy - Radiation mucositis ```  #### Mucosal Impact - Radiation mucositis A close-up photo of radiation mucositis in the oral cavity, showing inflamed and ulcerated mucosal tissue with redness and white patches, likely indicating severe irritation from radiation therapy. The image includes teeth and dental work, highlighting the affected area. # Radiation therapy - Radiation mucositis <img src="https://i.imgur.com/8jZ6V1l.jpg" alt="Radiation mucositis showing inflamed oral mucosa"> <img src="https://i.imgur.com/7uY4mQG.jpg" alt="Radiation therapy catheter insertion site">   #### Clinical Manifestations of Mucositis - Radiation mucositis presenting as inflamed oral mucosa - Clinical observation of radiation therapy catheter insertion sites A close-up photograph showing radiation mucositis, with inflamed and ulcerated oral mucosa, illustrating the condition associated with radiation therapy. A photograph depicting a patient with a radiation therapy catheter inserted into the abdomen, showing the external tubing and insertion site. # Radiation therapy - **Salivary gland dysfunction**  #### Glandular Impact - Salivary gland dysfunction A close-up medical photo showing the interior of a mouth with visible salivary gland dysfunction, likely after radiation therapy. The image displays a reddish, inflamed oral cavity with a thin, clear fluid or saliva being secreted, indicating impaired salivary function. **Radiation therapy** - Xerostomia and loss of taste  #### Sensory and Secretory Changes - Xerostomia - Loss of taste A close-up photo of a human tongue showing signs of xerostomia and loss of taste, with a dry, reddish appearance and visible texture changes, likely due to radiation therapy effects. # Radiation therapy - Dental caries <img src="https://i.imgur.com/3ZJZjzL.jpg" alt="Dental caries images"/> <img src="https://i.imgur.com/9Jf8mVt.jpg" alt="Dental caries images"/> <img src="https://i.imgur.com/4qZ0QqZ.jpg" alt="Dental caries images"/>    #### Radiation-Related Decay - Dental caries clinical presentations following radiation therapy Close-up photograph of severe dental caries in the lower jaw, showing multiple decayed teeth with visible cavities and discoloration, illustrating the effects of radiation therapy on oral health. Photograph of the upper dental arch displaying extensive dental caries, with several teeth showing significant decay and damage, highlighting the impact of radiation therapy on dental structures. Detailed photograph of the lower dental arch with advanced dental caries, showcasing decayed teeth, exposed pulp, and possible dental restorations, emphasizing the consequences of radiation therapy on oral health. Radiation therapy * Candidiosis    #### Secondary Infections - Candidiosis A close-up photo showing oral candidiasis in a patient undergoing radiation therapy, with white, creamy lesions on the tongue and oral mucosa. A detailed photo of the oral cavity displaying candidiasis, with white plaques on the tongue and inner cheek, likely a result of radiation therapy. A photo illustrating oral candidiasis with white, patchy lesions on the tongue and buccal mucosa, consistent with side effects of radiation therapy. # Radiation therapy * Trismus (myofibrotic contracture)  #### Functional Impairment - Trismus (myofibrotic contracture) A clinical photograph showing a patient's mouth with trismus (myofibrotic contracture) following radiation therapy. The image displays limited mouth opening, with visible teeth and oral mucosa, illustrating the restricted jaw movement characteristic of trismus. ```markdown Radiation therapy - Osteoradionecrosis <img src="https://i.imgur.com/placeholder1.jpg" alt="Clinical image of osteoradionecrosis showing exposed bone and tissue damage in the oral cavity." /> <img src="https://i.imgur.com/placeholder2.jpg" alt="Panoramic X-ray showing bone density changes and possible osteoradionecrosis in the mandible." /> ```   #### Bone Necrosis - Osteoradionecrosis - Clinical presentation showing exposed bone and tissue damage - Radiographic evidence (panoramic X-ray) showing bone density changes in the mandible Clinical image showing osteoradionecrosis with exposed bone and tissue damage in the oral cavity, characterized by red, inflamed mucosa and visible bone exposure. Panoramic X-ray displaying bone density changes and possible osteoradionecrosis in the mandible, with radiolucent areas indicating bone loss and structural changes. **Radiation therapy**   #### Radiation Therapy Complications Further clinical details regarding radiation-induced bone complications. A close-up clinical photo showing an oral cavity with a visible lesion or ulceration on the mucosal surface, adjacent to a tooth, likely illustrating a condition related to radiation therapy effects. A panoramic radiographic image of the skull showing the jawbones and teeth, with metallic implants or hardware visible, likely indicating post-surgical changes or radiation therapy planning. **Radiation therapy**  #### Radiation Therapy Complications Management considerations for radiation-induced bone complications. A close-up photo of the oral cavity showing red, inflamed mucosa with a visible lesion, likely illustrating the effects of radiation therapy on the tissues. The image is labeled 'Radiation therapy' at the top. **Radiation therapy**   #### Radiation Therapy Complications Additional observations on radiation-induced bone complications. Two photos showing the oral cavity, with the left image displaying a lesion on the tongue and the right image showing a red, inflamed area, likely related to radiation therapy effects. A close-up photo of the oral cavity showing a red, inflamed area on the tongue, consistent with radiation therapy-induced mucositis. ```markdown Other adverse effects of treatment - Pain <img src="https://i.imgur.com/placeholder1.jpg" alt="Image showing dental procedure and inflamed gum tissue"> ```   #### Pain Management - Pain associated with dental procedures and inflamed gum tissue A photo showing a dental procedure with a tooth being worked on, illustrating pain as an adverse effect of treatment. A photo depicting inflamed gum tissue with a dental crown, illustrating pain as an adverse effect of treatment. **Other adverse effects of treatment** - Dysphagia - Dysarthria - Psychological problems   #### Functional and Psychological Impact - Dysphagia - Dysarthria - Psychological problems A close-up photo showing the interior of a patient's mouth with surgical sutures and a reconstructed tissue flap, illustrating post-treatment changes related to dysphagia and dysarthria. A photo of a patient's oral cavity displaying dental structures and a surgical site with sutures, highlighting adverse effects of treatment such as dysphagia and dysarthria. Other considerations  #### Miscellaneous Considerations Other clinical considerations in the management of oral cancer patients. A close-up intraoral photograph showing the floor of the mouth with a visible red, inflamed lesion on the lingual surface of the tongue, indicated by a black arrow. The surrounding tissue appears erythematous, and dental prosthetics are visible in the upper and lower jaws. **Dental management** <img src="https://i.imgur.com/5ZvXJzL.jpg" alt="Dental management image showing oral cavity with visible dental work and tools." /> Note: The speaker icon in the bottom right corner is not transcribed as per the instructions.  Dental management involves comprehensive care for oral cancer patients throughout their treatment journey. A close-up photograph of the oral cavity showing dental management, with visible teeth, dental restorations, and dental instruments. The image highlights the lower jaw with existing dental work and a healthy tongue, illustrating a clinical dental examination or treatment scenario. # Dental management 1. Pre-radiation therapy work-up 2. Follow-up during radiation therapy 3. Long term, post radiation therapy care <img src="https://i.imgur.com/9QZJfXq.png" alt="Speaker icon"/>  The dental management protocol is divided into three primary phases: 1. Pre-radiation therapy work-up 2. Follow-up during radiation therapy 3. Long term, post radiation therapy care A speaker icon with sound waves, likely indicating an audio component or narration for the slide. # Dental management ## 1. Pre-radiation therapy work-up <img src="https://i.imgur.com/7QZ8X0v.png" alt="Speaker icon"/> Initial assessment and preparation of the patient prior to the commencement of radiation therapy. ```markdown # Dental management <img src="https://i.imgur.com/1.png" alt="Dental management before and after radiation therapy comparison"/> - Ensure that a patient is dentally fit - Ensure that a patient understands the implication of radiation therapy from the dental point of view - Ensure that a patient understands the required life style changes to maintain dentition post radiation therapy ```  #### Objectives of Pre-Radiation Work-Up - Ensure that a patient is dentally fit - Ensure that a patient understands the implication of radiation therapy from the dental point of view - Ensure that a patient understands the required life style changes to maintain dentition post radiation therapy A before-and-after comparison photo showing a patient's dental condition before and after radiation therapy, with the top image displaying decayed and damaged teeth and the bottom image showing improved, restored dentition. The photo is labeled 'Dental management' and includes a 'VS' overlay to highlight the contrast. # Dental management: Pre-radiation therapy - Medical / dental / social history - Establishment of proposed radiation therapy fields <img src="https://i.imgur.com/6QqXk5L.png" alt="Radiation therapy planning image showing dose contours on a CT scan slice">  #### Initial Assessment - Medical, dental, and social history - Establishment of proposed radiation therapy fields A CT scan image showing radiation therapy planning with multiple colored dose contours overlaid on a cross-sectional view of the head and neck region. The contours represent different radiation dose levels in cGy, ranging from 4500.0 to 7062.0, indicating the precise targeting of the radiation therapy fields for dental management prior to treatment. **Dental management: Pre-radiation therapy** - Comprehensive dental examination, including radiographic examination - Dietary counselling #### Diagnostic Procedures - Comprehensive dental examination, including radiographic examination - Dietary counselling **Dental management: Pre-radiation therapy** - Special consideration of teeth in the irradiated field → Condition of dentition → Patient’s dental awareness → Immediacy of treatment → Prognosis for tumour control #### Factors for Special Consideration Special consideration must be given to teeth located within the irradiated field, focusing on: - Condition of dentition - Patient’s dental awareness - Immediacy of treatment - Prognosis for tumour control ```markdown Dental management: Pre-radiation therapy - Teeth generally recommended for extraction: → Non-restorable teeth → Root caries → Periodontal disease → Peri-apical disease → Third molars → Non-functional teeth → Impacted teeth ```  #### Clinical Indications for Extraction Teeth generally recommended for extraction include: - Non-restorable teeth - Root caries - Periodontal disease - Peri-apical disease - Third molars - Non-functional teeth - Impacted teeth A bulleted list on a blue background detailing teeth generally recommended for extraction before radiation therapy, including non-restorable teeth, root caries, periodontal disease, peri-apical disease, third molars, non-functional teeth, and impacted teeth. ```markdown Dental management: Pre-radiation therapy → Poor oral hygiene → Lack of dental awareness → Lack of cooperation ```  #### Patient-Related Factors for Extraction Extractions may also be indicated based on: - Poor oral hygiene - Lack of dental awareness - Lack of cooperation A speaker icon with sound waves, likely indicating an audio feature or notification, located in the bottom right corner of the slide. ```markdown Dental management: Pre-radiation therapy ``` ```html <table border="1" cellpadding="5" cellspacing="0"> <tr> <td> <img src="https://i.imgur.com/7XZJzQl.jpg" alt="Clinical intraoral view of teeth and gums"/> </td> <td> <img src="https://i.imgur.com/9WjYvqT.jpg" alt="Panoramic radiograph showing dental implants and teeth"/> </td> </tr> </table> ```   Clinical and radiographic evaluation is essential to identify teeth requiring extraction before radiation begins. Clinical intraoral view showing teeth and gums, illustrating the pre-radiation therapy dental condition with visible dental implants and surrounding oral tissues. Panoramic radiograph displaying dental implants and teeth, providing a detailed view of the pre-radiation therapy dental status, including the placement of implants and surrounding bone structure. Dental management: Pre-radiation therapy  Pre-treatment dental clearance is a critical step in preventing future complications such as osteoradionecrosis. A close-up intraoral photograph showing the oral cavity, likely illustrating the condition of the mouth prior to radiation therapy. The image displays the tongue, floor of the mouth, and surrounding mucosal tissues, with a dental retractor in place to hold the mouth open. The tissue appears moist and pink, with some areas showing minor redness or irritation, which may be relevant to pre-radiation dental management. **Dental management:** **Pre-radiation therapy**  The timing of extractions must allow for adequate healing before the start of radiation therapy. A close-up intraoral photograph showing the upper and lower teeth and gums, with visible dental caries and possible oral lesions. The image is labeled 'Dental management: Pre-radiation therapy,' indicating it illustrates the patient's oral condition before radiation treatment. ```markdown Dental management: Pre-radiation therapy ``` ```html <table border="1" cellpadding="5" cellspacing="0"> <tr> <td> <img src="https://i.imgur.com/placeholder1.jpg" alt="Oral cavity with dental restorations and arrow pointing to a gold crown"/> </td> <td> <img src="https://i.imgur.com/placeholder2.jpg" alt="Oral cavity with dental restorations and arrow pointing to a gold crown"/> </td> </tr> <tr> <td> <img src="https://i.imgur.com/placeholder3.jpg" alt="Dental model with a transparent appliance"/> </td> <td> <img src="https://i.imgur.com/placeholder4.jpg" alt="Dental model with a transparent appliance"/> </td> </tr> </table> ```     #### Protective Appliances Use of dental models and transparent appliances may be required for planning or protecting tissues during treatment. A close-up photograph of the oral cavity showing teeth with various dental restorations, including gold crowns and amalgam fillings, with an arrow pointing to a specific gold crown. A photograph of the oral cavity highlighting a gold crown on a molar tooth, with an arrow indicating the restoration, illustrating the dental condition before radiation therapy. A photograph of a dental model with a transparent appliance placed over the teeth, demonstrating a custom-made device used for dental management. A photograph of a dental model with a transparent appliance, showing the fit and placement of the device on the teeth for pre-radiation therapy management. ```markdown **Dental management:** **Pre-radiation therapy** ```   Final review of the oral cavity and dental stability prior to the initiation of oncology protocols. A dental model showing a custom-made oral appliance, likely a radiation therapy shield, fitted over the teeth and gums. The appliance is made of a clear, transparent material and is designed to protect specific areas during treatment. A clinical photograph of a patient's mouth with a custom-fitted oral appliance in place. The appliance is transparent and covers the upper teeth and gums, demonstrating its use in dental management prior to radiation therapy. ```markdown Dental management 2. Management during radiation therapy ```  Active dental monitoring and supportive care while the patient is undergoing radiation treatment. A speaker icon with sound waves, indicating audio or sound functionality, located at the bottom right of the slide. ```markdown **Dental management:** **During radiation therapy** - Dealing with → Mucositis → Loss of taste → Dry mouth → Symptomatic management ``` <img src="https://i.imgur.com/placeholder_image.png" alt="Image showing inflamed oral mucosa with visible redness and irritation, likely illustrating mucositis." />  #### Acute Side Effect Management Symptomatic management of the following conditions is required: - Mucositis - Loss of taste - Dry mouth A close-up photo of inflamed oral mucosa showing redness and irritation, illustrating mucositis. The image is used in the context of dental management during radiation therapy to highlight symptoms such as mucositis, loss of taste, and dry mouth. ```markdown Dental management: During radiation therapy - Maintenance of good OH - Benzydamine hydrochloride <img src="https://i.imgur.com/8XJzQ7l.png" alt="Red surgical toothbrush"/> <img src="https://i.imgur.com/9ZQ7l.png" alt="Difflam Anti-Inflammatory Solution box"/> <img src="https://i.imgur.com/8XJzQ7l.png" alt="Oral 7 Moisturising Toothpaste box"/> ```    #### Oral Hygiene and Therapeutic Agents - Maintenance of good oral hygiene (OH) - Use of Benzydamine hydrochloride (e.g., Difflam Anti-Inflammatory Solution) - Use of specialized oral care products (e.g., soft surgical toothbrushes and moisturizing toothpaste like Oral 7) A red surgical toothbrush with a textured handle and white bristles, shown against a white background. The toothbrush is labeled 'CUPAPROX surgical' and is presented as a product for dental management during radiation therapy. A box of Difflam Anti-Inflammatory Solution, a pharmacy medicine with a green and white design, featuring an image of a person's head with a green glow around the throat area, indicating its use for relief of painful conditions of the throat and mouth. A box of Oral 7 Moisturising Toothpaste, with a blue and white design, showing a tooth with a green arrow indicating movement, and text highlighting its benefits for dry mouth and natural enzymes to help reinforce the mouth's defense system. # Dental management ## 3. Long term, post radiation therapy follow-up <img src="https://i.imgur.com/3V7jZfL.png" alt="Speaker icon"/> Ongoing surveillance and management of late-onset effects following the completion of radiation therapy. ```markdown Dental management: Post radiation therapy - Dealing with → Dry mouth → Caries → Increased periodontal attachment loss → Infections → Trismus → ORN → Chronic pain ```  #### Post-Radiation Complications Long-term care involves dealing with: - Dry mouth - Caries - Increased periodontal attachment loss - Infections - Trismus - Osteoradionecrosis (ORN) - Chronic pain The image is a presentation slide with a blue background and yellow and orange text. It lists dental management issues post radiation therapy, including dry mouth, caries, increased periodontal attachment loss, infections, trismus, ORN, and chronic pain, presented in a bulleted format with green arrows. A speaker icon is visible in the bottom right corner. **Dental management: Dry mouth** <img src="https://i.imgur.com/1QzKj6l.png" alt="Dental management: Dry mouth products including oil, Biotene, Colgate, OralSeven, Hamilton Aquae, GC Dry Mouth Gel, and Denta-Med." />         #### Xerostomia Management Products Various commercial products are available for managing dry mouth, including: - Biotene - OralSeven - Hamilton Aquae - GC Dry Mouth Gel - Denta-Med A glass bottle with a handle containing yellow liquid, likely an oil product, shown as part of dental dry mouth management solutions. A collection of Biotene products for dry mouth care, including mouthwash, toothpaste, and gel, displayed together. A bottle of Colgate Dry Mouth Relief mouthwash, shown as a product for managing dry mouth symptoms. OralSeven Moisturising Mouthwash and toothpaste products, presented as part of dry mouth management options. A bottle of OralSeven Moisturising Mouthwash, shown as a solution for dry mouth relief. Hamilton Aquae Dry Mouth products, including a spray and a tube, shown as part of dry mouth management solutions. A range of GC Dry Mouth Gel products in various flavors, including Orange, Raspberry, Lemon, and Mint, displayed for dry mouth care. Denta-Med Dry Mouth Gel in a tube and box, described as a product providing up to 8 hours of relief and improving oral hygiene. **Dental management:** **Dry mouth**  Management of dry mouth is essential for patient comfort and the prevention of radiation-induced dental decay. A clear plastic water bottle filled with water, centered on a white background, under the heading "Dental management: Dry mouth." The image visually represents hydration as a management strategy for dry mouth. ```markdown Dental management: Dry mouth - Stimulants → Sugar free chewing gum, candies and mints ``` ```html <table border="1" cellpadding="10" cellspacing="0"> <tr> <td><img src="https://i.imgur.com/5ZqZqZq.png" alt="Sugar free chewing gum"></td> <td><img src="https://i.imgur.com/6ZqZqZq.png" alt="Sugar free candies and mints"></td> </tr> </table> ```   #### Salivary Stimulants - Sugar-free chewing gum - Sugar-free candies and mints A photo of sugar-free chewing gum pieces, including white and pastel-colored varieties, arranged on a wooden surface. This image visually represents one of the stimulants recommended for dry mouth management. A photo of various sugar-free candies and mints in different colors and shapes, including round and oval forms. This image illustrates another stimulant option for managing dry mouth. ```markdown Dental management: Dry mouth - Secretogogues → Pilocarpine → Other ```  #### Secretogogues Pharmacological intervention to stimulate saliva production: - Pilocarpine - Other systemic agents A hierarchical diagram listing dental management options for dry mouth, with 'Secretogogues' as the main category and 'Pilocarpine' and 'Other' as subcategories, indicated by arrows. ```markdown Dental management: Dry mouth - Stimulants → Electro-stimulating devices (GenNarino) PHOTO: Ami S et al. Clin Implant Dent Relat Res 2010; Alajbeg I et al, Oral Surg Oral Med Oral Pathol Oral Radiol 2012. ```    #### Mechanical Stimulation - Electro-stimulating devices (e.g., GenNarino) A diagram illustrating an electro-stimulating device for dry mouth, showing a dental implant with electrodes, a wetness sensor, and connections to the long buccal nerve and lingual nerve. A photo of a handheld electro-stimulating device labeled 'SALIWELL' with 'ON' and 'OFF' buttons, used for dry mouth treatment. A photo of a transparent dental appliance with an embedded electronic circuit board, likely part of an electro-stimulating device for dry mouth management. ```markdown Dental management: Dry mouth ```  Continuous hydration and the use of saliva substitutes are fundamental components of dry mouth management. A photo showing a dental device with a blue handle and a light-emitting component, placed on a model of teeth. The device appears to be used for dry mouth treatment, as indicated by the surrounding text. The image is credited to Wolf A. et al., Med Oral Patol Oral Cir Bucal, 2018 Sept1:23(5)e552-9. # Dental management: Caries - **DIET** - OH, - Daily F application - Regular dental visits  #### Preventive Strategies - **DIET** (Sugar control) - Oral Hygiene (OH) - Daily Fluoride (F) application - Regular dental visits A product photo of Colgate NeutraFluor 5000 Plus Freshmint toothpaste, a pharmacist-only medicine containing 5000ppm fluoride, designed for individuals at high risk of caries. The packaging is white and purple with a dental theme, featuring an image of a tooth. ```markdown **Dental management:** **Caries** ```    Radiation-related caries can progress rapidly and require aggressive preventive measures. Close-up photograph of a patient's mouth showing multiple teeth with carious lesions and existing dental restorations, illustrating the effects of dental caries. Another photograph of a patient's mouth displaying extensive caries and dental fillings, highlighting the progression of tooth decay in the lower arch. Frontal view photograph of a patient's teeth with visible carious lesions and restorations, demonstrating the impact of dental caries on anterior teeth. **Dental management:** **Caries**    Early detection of carious lesions is vital to prevent the need for extractions in irradiated bone. Close-up photograph of a patient's mouth showing multiple teeth with dental caries and existing restorations, illustrating the condition of decayed teeth in the upper and lower arches. Photograph of a patient's mouth displaying extensive dental caries, particularly on the molars, with visible dark cavities and existing fillings, highlighting the severity of tooth decay. Frontal view photograph of a patient's teeth, showing several teeth with carious lesions and restorations, providing a comprehensive view of dental caries affecting both anterior and posterior teeth. ```markdown Dental management: **Caries** <img src="https://i.imgur.com/placeholder.jpg" alt="Dental management: Caries - Three images showing dental caries in different stages and treatments."> ```    #### Clinical Presentation of Caries Monitoring for various stages of dental caries and implementing appropriate restorative treatments. A close-up photo showing dental caries in the lower teeth, with visible decay and fillings, illustrating the progression of tooth decay. A photo depicting severe dental caries with multiple decayed teeth and fillings, highlighting the impact of untreated cavities on oral health. A photo showing the upper and lower teeth with extensive caries and dental restorations, demonstrating the need for comprehensive dental management. ```markdown Dental management: Infection <img src="https://i.imgur.com/placeholder.jpg" alt="Oral infection with white patches and a box of Nilstat Oral drops (Cherry Flavoured) with dropper."> ```  #### Management of Oral Infections Treatment of fungal infections (e.g., Candidiasis) using antifungal agents such as Nilstat Oral drops. A clinical photograph showing an oral infection with white patches on the tongue and palate, accompanied by a box of Nilstat Oral drops (Cherry Flavoured) with dropper, illustrating dental management of infection. ```markdown Dental management: Trismus (myofibrotic contracture) ```   #### Trismus Management of myofibrotic contracture and restricted jaw opening resulting from radiation therapy. A photo showing a woman using a dental device, likely for managing trismus, with red lines indicating treatment areas on her face. A close-up photo of a patient's mouth with wooden blocks inserted to measure or treat trismus, illustrating the limited mouth opening due to myofibrotic contracture. ```markdown Dental management: Osteoradionecrosis - Prevention - Hyperbaric oxygen treatment → Breathing 100% O₂ at pressure greater than 1 atmosphere absolute (Usually 2-3 ATA) - Surgery - Medical treatment ```  #### Osteoradionecrosis (ORN) Management - Prevention (Primary focus) - Hyperbaric oxygen treatment (HBO): - Breathing 100% O₂ at pressure greater than 1 atmosphere absolute (Usually 2-3 ATA) - Surgery - Medical treatment The image is a presentation slide with a blue background and yellow and white text, titled 'Dental management: Osteoradionecrosis'. It lists four main treatment approaches: Prevention, Hyperbaric oxygen treatment, Surgery, and Medical treatment. Under 'Hyperbaric oxygen treatment', there is an indented sub-point explaining it involves breathing 100% O₂ at pressure greater than 1 atmosphere absolute (usually 2-3 ATA). A small speaker icon is present in the bottom right corner. ```markdown **Dental management:** **Osteoradionecrosis** ```  Osteoradionecrosis represents a severe late complication requiring multidisciplinary management. A group of patients in blue gowns and neck collars are seated in a clinical setting, likely undergoing dental or medical treatment related to osteoradionecrosis. Medical staff in scrubs stand behind them, indicating a professional healthcare environment. The image is framed by a blue background with the title "Dental management: Osteoradionecrosis" at the top. ```markdown # Patient information <img src="https://i.imgur.com/1.png" alt="Patient information: Radiation Therapy to the head and neck. Oral health care. It is important that your mouth is in good health before cancer treatment begins as this reduces the risk and severity of mouth problems." /> ```  #### Radiation Therapy to the Head and Neck It is important that your mouth is in good health before cancer treatment begins, as this reduces the risk and severity of mouth problems. Maintaining oral health care is a critical component of your overall treatment plan. A promotional image for patient information on oral health care during radiation therapy to the head and neck, featuring a close-up of a toothbrush with blue bristles, set against a background of dental floss and a blue container. The text emphasizes the importance of good oral health before cancer treatment to reduce mouth problems. # Patient information ## 4. Chewing and swallowing problems These may be due to disease in or around the mouth and throat. Sometimes radiotherapy or chemotherapy to this region can also cause temporary problems. If teeth are extracted, chewing may be more difficult. - Try changing the consistency or texture of foods to make them easier to manage. Semi-solid foods such as yoghurt and soups may be easier to swallow. - Avoid extremes of temperature in food and drinks - very hot or very cold. - Drink plenty of nourishing fluids. - Eat food in small quantities frequently. - Food moistened with gravy and sauces may be easier to swallow. If you are having problems with your dentures, take them out at meal times and try softer foods which do not need to be chewed. ## 5. Dry or coated mouth A dry or coated mouth can result from radiotherapy or chemotherapy as saliva may be reduced or become thick. Hints: - Use mouthwashes and gargles regularly, (check with your doctor before using commercially produced mouthwashes). - Moisten your foods with gravy and sauces. - Suck ice blocks, sweets and soft drinks. - Be sure to drink fluids with your meals or snacks. - Ask your doctor about using artificial saliva. - Tangy foods, such as lemons and pineapple may help to stimulate the flow of saliva in your mouth. ## 6. Sore mouth Chemotherapy can reduce your immunity and you may have a problem with infections in your mouth and throat. Your doctor can recommend drugs to relieve the discomfort such as an anaesthetic mouthwash, as well as treat the infection. Other hints: - Drink plenty of nourishing fluids. If fresh fruit juices sting your mouth, try drinking blackcurrant, rose hip syrup, apple juice, cranberry juice, peach or pear nectar, as these are less acidic. - Cold foods and drinks can be soothing to a sore mouth. Try adding crushed ice to drinks and eating ice cream. - Avoid salty, acidic, very hot or spicy food which may sting your mouth. - Avoid rough textured food like toast, dry biscuits or raw vegetables as they can scrape at sore skin. - Keep your food moist with sauces and gravies. - Try drinking through a straw to avoid the sore spots. - Soft or vitamised foods may be easiest to eat as they require little or no chewing. - Cigarette smoke can irritate the mouth. - Use a child’s soft toothbrush to clean your teeth gently. - Avoid chocolate and pastry; they stick to the roof of your mouth. - Sucking boiled sweets can stimulate your saliva; so can chewing gum. - Use lip balm for dry lips. - Avoid alcohol and very hot drinks which can dry out your mouth further. #### Chewing and Swallowing Problems These may be due to disease in or around the mouth and throat. Sometimes radiotherapy or chemotherapy to this region can also cause temporary problems. If teeth are extracted, chewing may be more difficult. - Try changing the consistency or texture of foods to make them easier to manage. Semi-solid foods such as yoghurt and soups may be easier to swallow. - Avoid extremes of temperature in food and drinks—very hot or very cold. - Drink plenty of nourishing fluids. - Eat food in small quantities frequently. - Food moistened with gravy and sauces may be easier to swallow. If you are having problems with your dentures, take them out at meal times and try softer foods which do not need to be chewed. #### Dry or Coated Mouth A dry or coated mouth can result from radiotherapy or chemotherapy as saliva may be reduced or become thick. Hints for management: - Use mouthwashes and gargles regularly (check with your doctor before using commercially produced mouthwashes). - Moisten your foods with gravy and sauces. - Suck ice blocks, sweets, and soft drinks. - Be sure to drink fluids with your meals or snacks. - Ask your doctor about using artificial saliva. - Tangy foods, such as lemons and pineapple, may help to stimulate the flow of saliva in your mouth. - Sucking boiled sweets or chewing gum can stimulate your saliva. - Avoid chocolate and pastry, as they stick to the roof of your mouth. - Use lip balm for dry lips. - Avoid alcohol and very hot drinks, which can dry out your mouth further. #### Sore Mouth Chemotherapy can reduce your immunity, and you may have a problem with infections in your mouth and throat. Your doctor can recommend drugs to relieve the discomfort, such as an anaesthetic mouthwash, as well as treat the infection. Other hints: - Drink plenty of nourishing fluids. If fresh fruit juices sting your mouth, try drinking blackcurrant, rose hip syrup, apple juice, cranberry juice, peach, or pear nectar, as these are less acidic. - Cold foods and drinks can be soothing to a sore mouth. Try adding crushed ice to drinks and eating ice cream. - Avoid salty, acidic, very hot, or spicy food which may sting your mouth. - Avoid rough-textured food like toast, dry biscuits, or raw vegetables, as they can scrape at sore skin. - Keep your food moist with sauces and gravies. - Try drinking through a straw to avoid the sore spots. - Soft or vitamised foods may be easiest to eat as they require little or no chewing. - Cigarette smoke can irritate the mouth. - Use a child’s soft toothbrush to clean your teeth gently. ```markdown CASE 1 - 46 year old - Metastatic neck SCC – unknown primary - Treatment: surgery & radiation therapy <img src="https://i.imgur.com/placeholder.jpg" alt="Close-up image of a man's neck showing skin changes consistent with metastatic SCC." /> ```  #### Patient Profile and Diagnosis - **Age:** 46 years old - **Diagnosis:** Metastatic neck Squamous Cell Carcinoma (SCC) – unknown primary - **Planned Treatment:** Surgery and radiation therapy Close-up image of a man's neck showing skin changes consistent with metastatic SCC. The photo is part of a case presentation for a 46-year-old patient with metastatic neck SCC of unknown primary, treated with surgery and radiation therapy. **Case 1** - Proposed radiation therapy fields: → All molars in the irradiated field #### Radiation Therapy Planning - **Proposed radiation therapy fields:** All molars are located within the irradiated field. **Case 1**    Close-up photo of a patient's mouth showing upper and lower teeth, with a dental retractor in place, highlighting the alignment and condition of the teeth in Case 1. Photo showing the patient's lower teeth from a side view, with a dental mirror and probe, illustrating the dental condition in Case 1. Photo displaying the patient's upper teeth from a top-down view, with a dental mirror and probe, providing a detailed look at the dental structure in Case 1. **Case 1** <img src="https://i.imgur.com/8XJZjKl.png" alt="Panoramic X-ray of the jaw showing teeth and bone structure, labeled with 'R' on the left and 'L' on the right."/>  #### Radiographic Assessment Radiographic evaluation via panoramic X-ray (OPG) was performed to assess the dentition and bone structure prior to the commencement of oncology treatment. Panoramic X-ray of the jaw showing teeth and bone structure, labeled with 'R' on the left and 'L' on the right, presented under the heading 'Case 1'. Case 1 - Treatment plan: → Pre-radiation therapy I. Extraction of all molar teeth II. OH, Dietary, F and dental care advice → During radiation therapy I. Management of acute side effects → Post radiation therapy I. Regular dental examination, education and prophylaxis II. Regular follow-up in Oral Medicine Clinic.  #### Comprehensive Treatment Plan 1. **Pre-radiation Therapy Phase** - Extraction of all molar teeth located within the radiation field. - Provision of Oral Hygiene (OH), dietary counseling, fluoride (F) therapy, and general dental care advice. 2. **During Radiation Therapy Phase** - Active management of acute side effects. 3. **Post-radiation Therapy Phase** - Regular dental examinations, ongoing patient education, and professional prophylaxis. - Regular follow-up appointments in the Oral Medicine Clinic. A treatment plan diagram for Case 1, outlining three phases: pre-radiation therapy (extraction of all molar teeth and oral health advice), during radiation therapy (management of acute side effects), and post-radiation therapy (regular dental examination, education, prophylaxis, and follow-up in the Oral Medicine Clinic).    Close-up photograph of a patient's upper teeth and gums, showing a dental condition with visible teeth and surrounding tissue. Photograph of a patient's lower teeth, displaying dental implants and surrounding gum tissue, likely after a dental procedure. Photograph of a patient's lower teeth, showing dental restorations and implants, with visible dental instruments and tissue.  The image displays three dental photographs labeled as "Case 2," showing different views of a patient's mouth. The top-left photo shows an intraoral view of the upper jaw with visible teeth and gums, including a dental implant or restoration. The top-right photo provides a close-up of the lower jaw, highlighting a dental crown or filling on a molar. The bottom photo shows a frontal view of the teeth, with a focus on the alignment and condition of the upper and lower teeth, including some restorations and possible periodontal issues. The images are presented against a blue background with a speaker icon, suggesting a presentation or educational context. ```markdown **Case 2** ```    Close-up intraoral photo showing the upper dental arch with multiple teeth exhibiting significant decay and restorations, including large carious lesions and missing tooth structures. Intraoral photo of the lower dental arch displaying extensive dental caries, with several teeth showing large cavities and discoloration, indicating severe decay. Full-mouth intraoral view showing both upper and lower dental arches with widespread carious lesions and multiple restorations, highlighting the extent of dental disease in the patient. ```markdown **Conclusion** - Dental care forms an integral part of the multidisciplinary management of oral cancer patients and it significantly contributes to the preservation of life quality ```   Dental care forms an integral part of the multidisciplinary management of oral cancer patients and it significantly contributes to the preservation of life quality. A photo showing a patient's mouth with severe dental decay and damage, illustrating the pre-treatment condition of oral cancer patients. A photo showing a patient's mouth with restored teeth, illustrating the post-treatment condition after dental care intervention. 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