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Description : Check out this medical presentation on Dental Abrasion, which is titled "Evidence-Based Management Strategies for Oral Complication from Cancer Treatment", to know about the burden of illness, effective prevention and treatment of oral complications associated with cancer therapies. Also know about the impact of oral complications associated with cancer therapy.

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Evidence-Based Management Strategies for Oral Complication from Cancer Treatment ISOO • © 2011 International Society for Oral Oncology • All Rights Reserved Oral Care Study Group, MASCC/ISOO
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An accurate knowledge of the burden of illness, effective prevention and treatment of oral complications associated with cancer therapies is necessary for management of the numerous oral complications of cancer therapy. To establish the impact of oral complications associated with cancer therapy, systematic reviews of the most common oral complications were completed by volunteers primarily from the Oral Care Study Group of the Multinational Association of Supportive Care in Cancer and International Society of Oral Oncology (MASCC/ISOO). ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Evidence-Based Management Strategies for Oral Complication from Cancer Treatment
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Evidence-Based Management Strategies for Oral Complication from Cancer Treatment Management recommendation and guideline classification was based on criteria of the American Society of Clinical Oncology rating the level of evidence and grade of recommendation. The definition, prevalence and management strategies based on the literature are presented for the following oral complications: Bisphosphonate Osteonecrosis (BON) Dysgeusia Oral Fungal Infection Oral Viral Infection Dental Disease Osteoradionecrosis (ORN) Trismus Oral Pain Xerostomia ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Table (2,3): Levels and sources of evidence and grade of recommendation ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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ISOO • © 2011 International Society for Oral Oncology • All Rights Reserved Definition BON is defined as the presence of necrotic bone anywhere in the oral cavity of an individual on bisphosphonate therapy with no history of radiation of the head and neck. Bisphosphonate Osteonecrosis (BON)
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ISOO • © 2011 International Society for Oral Oncology • All Rights Reserved Prevalence Mean weighted prevalence of BON for all studies = 6.1% Studies with documented follow-up = 13.3% Studies with undocumented follow-up = 0.7% Epidemiological studies = 1.2% Bisphosphonate Osteonecrosis (BON)
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Management The types of procedures used in published studies have included the following: Antibiotics=393 (59.7%) Simple bone sequestrectomy=154 (23.4%) Bisphosphonate stopped=106 (16.1%) Conservative therapy=100 (15.2%) Extensive surgical debridement=84 (12.8%) Unspecified surgery with antibiotics=45 (6.8%) IV antibiotics with hospitalization=4 (0.6%) The response to therapy has been poorly reported with 47% of responses not clearly specified in published studies. BON completely resolved in only 12% of cases, while 33% remained stable and 7% progressed. Due to flaws in published studies and the paucity of data regarding management strategies, no guideline is possible regarding prevention or treatment strategies. (Level of evidence III, Grade of recommendation C) ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Bisphosphonate Osteonecrosis (BON)
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Dysgeusia Definition Dysgeusia is an abnormal or impaired sense of taste, an unpleasant alteration of taste sensation, or a distortion or perversion of the sense of taste. Prevalence Mean weighted prevalence of dysgeusia Chemotherapy only = 56.3% Radiotherapy only = 66.5% Combined RT and CT = 76% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Management Zinc gluconate (Level of evidence II, recommendation grade C) Suggestion to NOT use zinc gluconate to prevent dysgeusia in head and neck cancer patients, although this has been found to be beneficial in a non-cancer idiopathic Dysgeusia cohort. Amifostine (Level of evidence II, recommendation grade B) Recommend NOT to use amifostine solely for the prevention of dysgeusia in head and neck cancer patients. Dietary and educational counseling (Level of evidence II, recommendation grade B) Suggestion to use counseling for the prevention of dysgeusia. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Dysgeusia
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Oral Fungal Infection Definition Oral infection of fungal etiology. Oral candidiasis accounts for the majority of oral fungal infections, with clinical presentations including pseudomembranous candidiasis (thrush), erythematous candidiasis (red appearance), hyperplastic candidiasis (white tissue overgrowth) and angular cheilitis (redness at corners of mouth). ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Oral Fungal Infection Weighted prevalence of clinical oral fungal infection (all oral candidiasis) pre-treatment = 7.5% during cancer treatment =39.1% after the end of cancer therapy = 32.6% Weighted prevalence of oral candidiasis clinical infection by cancer treatment during head and neck radiation therapy = 37.4% during chemotherapy = 38% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Oral Fungal Infection Weighted prevalence of oral colonization with fungal organisms Before cancer treatment = 48.2% during cancer treatment = 72.2% after cancer treatment = 70.1% . Weighted prevalence of oral fungal colonization by cancer treatment during chemotherapy = 72.8% during radiation therapy = 74.5% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Oral Fungal Infection
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Management Weighted prevalence of clinical oral fungal infection during cancer therapy by preventive treatment regimen Fluconazole = 1.9% Amphotericin = 2.3% Itraconazole =1.5% Nystatin alone = 6% Clotrimazole and nystatin = 14.6% Amifostine = 28.9% Placebo/No treatment = 20.3% Topical antifungal agents (level of evidence II, recommendation grade C) There is inconsistency in the efficacy of topical antifungal agents as antifungal prophylaxis for patients receiving cancer therapy. No recommendation possible. Systemic antifungal agents (level of evidence I, recommendation grade A) Recommend the use of systemic fluconazole for the prevention of oral candidiasis in patients receiving cancer therapy ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Oral Fungal Infection
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Oral Viral Infection Definition Oral and perioral manifestations of viral infections; often a local component of a systemic disease. Oral and perioral viral infections are most commonly associated with herpesviruses, particularly herpes simplex virus (HSV) numerous studies addressed this issue. Information about other oral viral infections (cytomegalovirus (CMV). varicella zoster virus (VZV), Epstein-Barr virus (EBV)) is sparse. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Prevalence of HSV oral and perioral infection: Weighted prevalence in patients treated with chemotherapy for hematologic malignancies Patients with oral ulcerations – sampling oral ulcerations = 49.8% Patients – sampling oral ulcerations – 33.8%. Patients – sampling independently of the presence of oral ulcerations * = 0% Weighted prevalence in patients treated with radiotherapy Patients with radiotherapy only- sampling oral ulcerations * = 0% Patients with radiotherapy and adjunctive chemotherapy- sampling oral ulcerations = 43.2% * - Simple prevalence is presented as this finding is based on a single report in the literature. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Oral Viral Infection
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Management Both acyclovir and valacyclovir are recommended for the prevention of HSV infection (Grade of recommendation A, level of evidence I) Prevention may be achieved with acyclovir dose of 800 mg/day or with valacyclovir dose of 500-1000 mg/day There are no studies in the literature about protocols for anti-viral treatment. The presence of HSV reactivation was similar for acyclovir and valacyclovir; However, there may be superiority of valacyclovir compared to acyclovir in respect to toxicity and to cost (depends on the route of administration of acyclovir—PO or IV) ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Oral Viral Infection
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Dental Disease Definition: Dental caries involves decay of the tooth structure, gingival disease is caused by inflammation of the gum tissue surrounding the tooth and a dental infection/abscess is a bacterial infection resulting for a necrotic pulp or from diseased bone/tissue structure surrounding a tooth. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Dental Disease Prevalence Weighted prevalence for dental caries in patients treated with cancer therapy All studies = 28.1% Chemotherapy only = 37.3% Post-radiotherapy = 24% Post chemotherapy and radiotherapy = 21.4% Weighted prevalence of severe gingivitis in patients undergoing chemotherapy = 20.3% Weighted prevalence of dental infection/abscess in patients undergoing chemotherapy = 5.8% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Dental Disease Management Recommend the use of fluoride to prevent dental caries in patients who are post-radiotherapy. Studies indicated fluoride works regardless of the type of delivery method. (Level of Evidence II, Grade of Recommendation B). Recommend the use of chlorhexidine to improve oral hygiene, although potential side effects of tooth staining, increased calculus, and taste changes need to be taken into account (Level of Evidence: II, Grade of Recommendation: B,) Suggest the use of resin-modified glass ionomer, composite resin or amalgam restoration, and not a conventional glass ionomer restoration in patients who have been treated with radiotherapy (Level of Evidence III, Grade of Recommendation B). No guideline possible due to the lack of well designed studies regarding the benefits of various types of toothpaste, pre-cancer therapy dental intervention, honey, and cheese on dental health (Level of Evidence III, Grade of recommendation C). ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Osteoradionecrosis Definition ORN is characterized by a nonhealing area of exposed mandibular and maxillary bone of at least 6 months duration in a patient who has been treated with radiation therapy (RT) for cancer. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Osteoradionecrosis Prevalence Weighted prevalence in conventional RT = 7.4% Weighted prevalence in intensity modulated RT = 5.2% Weighted prevalence in RT and chemotherapy = 6.8% Weighted prevalence in brachytherapy = 5.3% Note: The majority of cases involve the mandible. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Management Practitioners should utilize their clinical experience and expertise is determining optimal management for their patients relative to ORN of the mandible or the maxilla. Further research is this field is needed, in order to strengthen the comprehensive evidence base on which future guidelines can be based. No guideline is possible regarding the use of prophylactic HBO therapy for the prevention of ORN in patients requiring post-RT dental extractions. (Level of evidence III, recommendation grade C) The use of single therapy HBO therapy for the treatment of ORN is NOT recommended (Level of evidence II, recommendation grade B) No guidelines possible for other prevention and treatment strategies for ORN ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Osteoradionecrosis
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Trismus Definition Trismus is defined as the tonic contraction of the muscles of mastication and results in a limited ability to open the mouth. This has been associated with radiotherapy (RT) to the temporomandibular joint and muscles of mastication. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Trismus Prevalence Weighted prevalence for conventional RT = 25.4% Weighted prevalence for intensity modulated RT = 5% Weighted prevalence for combined RT and chemotherapy = 30.7% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Management Suggestion that Therabite® System may be effective in the reduction of RT-induced trismus. (level of evidence III, recommendation grade B) No guideline is possible regarding the use of pentoxifylline to prevent RT-induced trismus. (level of evidence IV, recommendation grade C) No guideline is possible regarding the use of physiotherapy in the prevention of RT-induced trismus, although may be beneficial in overall trismus management. (level of evidence IV, recommendation grade B) No guideline possible regarding botulinum toxin injections for the treatment of RT-induced trismus, although there may be some improvement of pain scores and masticator spasms. (level of evidence III, recommendation grade B) No guideline possible regarding use of Dynasplint® Trismus System in the reduction of RT-induced trismus, although may have some benefit for reduction of contracture of the muscles of mastication. (level of evidence III, recommendation grade B) ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Trismus
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Oral Pain Definition Cancer-associated pain in the orofacial region is common and can be directly related to the malignancy or is a consequence of cancer therapy. Prevalence Pain is common in patients with HNC and reported by approximately half of patients prior to cancer therapy, 81% during therapy, 70% at the end of therapy and still 36% at 6 months post-treatment. VAS Pain level (0-100) in Head and Neck Cancer patients Pre-treatment = 12/100 Immediately post-tx = 33/100 One month post-tx = 20/100 EORTC QLQ C30 Pain level (0-100) in Head and Neck Cancer Patients Pre-treatment = 27/100 3 month post-tx = 30/100 6 month post-tx = 23/100 12 month post-tx = 24/100 ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Management Clinical trials for the treatment of oral pain in cancer patients is often a secondary outcome with mucositis the primary outcome. Therefore, please refer to the Mucositis Guidelines for management strategies for orofacial pain, which is most commonly the result of mucositis. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Oral Pain
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Salivary gland hypofunction and xerostomia Definition Salivary gland hypofunction is a decrease in salivary secretion, with pathological low saliva secretion as ≤ 0.1 ml/min for unstimulated whole salivary flow and ≤ 0.5 ml/min for stimulated whole salivary flow. Xerostomia is defined as the subjective complaint of dry mouth. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Prevalence (12) Weighted prevalence of xerostomia in head and neck cancer patients by type of radiation therapy (RT) All studies Pre-tx = 6% During RT = 93% 1-3 months post-RT = 74% 3-6 months post-RT = 79% 6-12 months post-RT = 83% 1-2 years post-RT = 78% > 2 years post-RT = 85% Conventional RT Pre-tx = 10% During RT = 81% 1-3 months post-RT = 71% 3-6 months post-RT = 83% 6-12 months post-RT = 72% 1-2 years post-RT = 84% > 2 years post-RT = 91% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Salivary gland hypofunction and xerostomia
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Weighted prevalence of xerostomia in head and neck cancer patients by type of radiation therapy (RT) Intensity-modulated radiation therapy (IMRT) Pre-tx =12% During RT = 100% 1-3 months post-RT = 89% 3-6 months post-RT = 73% 6-12 months post-RT = 90% 1-2 years post-RT = 66% > 2 years post-RT = 68% ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Salivary gland hypofunction and xerostomia
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Unstimulated and stimulated whole saliva flow changes during and after radiotherapy in the head and neck region. Jensen SB et al. JSCC; 18(8):1039-1060. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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Management The panel recommends the use of parotid sparing IMRT for prevention of salivary gland hypofunction and xerostomia in head and neck cancer patients (Level of evidence II, recommendation grade A). No guideline possible for use of amifostine to prevent xerostomia during RT for head and neck cancer due to lack of consensus on the interpretation of existing evidence (Level of evidence II, recommendation grade C). The panel recommends the use of oral pilocarpine following radiation therapy in head and neck cancer patients for improvement of xerostomia. The improvement of salivary gland hypofunction may be limited (Level of evidence II, recommendation grade B). The panel cannot recommend the use of oral pilocarpine during radiotherapy in head and neck cancer patients for improvement of xerostomia as the results of the various randomized clinical trials were equivocal (Level of evidence II, recommendation grade C). ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Salivary gland hypofunction and xerostomia
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Management No guideline possible for use of gustatory and masticatory stimulation due to little evidence on which to base a guideline since this has been sparsely addressed specifically for patients suffering from xerostomia induced by cancer therapies (Level of evidence III, recommendation grade D). The panel recommends the use of oral mucosal lubricants/saliva substitutes for short-term improvement of xerostomia following radiation therapy in head and neck cancer patients (Level of evidence II, recommendation grade B). The panel suggests that the obtained level of sparing by submandibular salivary gland transfer might be of clinical significance (Level of evidence IV, recommendation grade B). The panel suggests the use of acupuncture to stimulate salivary gland secretion and to alleviate xerostomia (Level of evidence II, recommendation grade C). No guideline possible for hyperbaric oxygen treatment of xerostomia due to no evidence on which to base a guideline (Level of evidence IV, recommendation grade D). ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved Salivary gland hypofunction and xerostomia
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Brennan MT, Elting LS, Spijkervet FKL. Systematic Reviews of Oral Complications from Cancer Therapies, Oral Care Study Group, MASCC/ISOO: Methodology and Quality of the Literature. Support Care Cancer. 2010 18(8):979-984. Hadorn DC, Baker D, Hodges JS, Hick N. Rating the quality of evidence for clinical practice guidelines. J Clin Epidemiol. 1996;49:749-754. Somerfield M, Padberg J, Pfister D, et al. ASCO clinical practice guidelines: process, progress, pitfalls, and prospects. Classic Pap Curr Comments. 2000;4:881-886. Migliorati CA, Woo S, Hewson I, Barasch A, Elting LS, Spijkervet FKL, Brennan MT. Bisphosphonate Osteonecrosis Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A systematic review of bisphosphonate osteonecrosis (BON). Support Care Cancer. 2010 18(8):1099-2106. Hovan AJ, Williams PM, Stevenson-Moore P, Wahlin YB, Ohrn KEO, Elting LS, Spijkervet FKL, Brennan MT. Dysgeusia Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO) A Systematic Review of Dysgeusia Induced by Cancer Therapies Support Care Cancer. 2010 18(8):1081-1087. Lalla RV, Latortue MC, Hong C, Ariyawardana A, D’Amato-Palumbo S, Fischer D, Martof A, Nicolatou-Galitis O, Patton L, Elting LS, Spijkervet FKL, Brennan MT. Fungal Infections Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A Systematic Review of Oral Fungal Infections in Patients Receiving Cancer Therapy. Support Care Cancer. 2010 18(8):985-992. Elad S, Zadik Y, Hewson I, Hovan A, Correa MEP, Logan R, Elting LS, Spijkervet FKL, Brennan MT. Viral Infections Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A Systematic Review of Viral infections Associated with Oral Involvement in Cancer Patients; a spotlight on Herpesviridea. Support Care Cancer. 2010 18(8):993-1006. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved References
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References Hong CH, Napeñas JJ, Hodgson BD, Stokman MA, Mathers VM, Elting LS, Spijkervet FKL, Brennan MT. Dental Disease Section, Oral Care Study Group, Multi-national Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A systematic review of dental disease in patients undergoing cancer therapy. Support Care Cancer. 2010 18(8):1007-1021. Peterson DE, Doerr W, Hovan A, Pinto A, Saunders D, Elting LS, Spijkervet FKL, Brennan MT. Osteoradionecrosis in cancer patients: The evidence base for treatment-dependent frequency, current management strategies and future studies. Support Care Cancer. 2010 18(8):1081-1087. Bensadoun RJ, Riesenbeck D, Lockhart PB, Elting LS, Spijkervet FKL, Brennan MT. Trismus Section, Oral Care Study Group, Multinational Association for Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A systematic review of trismus induced by cancer therapies in head and neck cancer patients. Support Care Cancer. 2010 18(8):1033-1038. Epstein JB, Hong C, Logan RM, Barasch A, Gordon SM, Oberlee-Edwards L, McGuire D, Napenas JJ, Elting LS, Spijkervet FKL, Brennan MT. A systematic review of orofacial pain in patients receiving cancer therapy. Support Care Cancer. 2010 18(8):1023-1031. Jensen SB, Pedersen AML, Vissink A, Andersen E, Brown CG, Davies AN, Dutilh J, Fulton JS, Jankovic L, Lopes NNF, Mello AL, Muniz LV, Murdoch-Kinch CA, Nair RG, Napeñas J, Rodrigues AN, Saunders D, Stirling B, von Bültzingslöwen I, Weikel DS, Elting LS, Spijkervet FKL, Brennan MT. Salivary Gland Hypofunction/Xerostomia Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A systematic review of salivary gland hypofunction and xerostomia induced by cancer therapies: prevalence, severity and impact on quality of life. Support Care Cancer. 2010 18(8):1039-1060. Jensen SB, Pedersen AML, Vissink A, Andersen E, Brown CG, Davies AN, Dutilh J, Fulton JS, Jankovic L, Lopes N, Mello AL, Muniz LV, Murdoch-Kinch CA, Nair RG, Napeñas J, Rodrigues AN, Saunders D, Stirling B, von Bültzingslöwen I, Weikel DS, Elting LS, Spijkervet FKL, Brennan MT. Salivary Gland Hypofunction/Xerostomia Section, Oral Care Study Group, Multinational Association of Supportive Care in Cancer (MASCC)/International Society of Oral Oncology (ISOO). A systematic review of salivary gland hypofunction and xerostomia induced by cancer therapies: management strategies and economic impact. Support Care Cancer. 2010 18(8):1061-1079. ISOO • © 2011 International Society of Oral Oncology • All Rights Reserved
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