Proposed study to identify the obstacles to wearing a fluoride splint in patients following radiotherapy to the cervicofacial sphere or in the context of Gougerot Sjoegren's syndrome

Hyposialia represents a major challenge to oral health. Saliva possesses protective attributes thanks to its mechanical and chemical properties on dental health as well as gum and mucous tissues. Its absence causes multiples lesions such as tooth decay, generating severe structural loss which require complex global dental care. Hyposialia is a clinical symptom found in patients who have been treated with orofacial sphere radiotherapy but also those affected by Gougerot-Sjoegren's disease. Beyond tooth decay treatment in these patients, it is important to prevent their occurrence as well as their recurrence during all the patients' lives. It is the reason why prevention methods, especially thanks to chemical agents such as fluoride, must be implemented and generalised in patient care. Thus, the fluoridation dental tray is systematically prescribed in patients who have been treated by oro-facial sphere radiotherapy, during and after treatment. This practice is less widespread in patients affected by Gougerot-Sjoegren's disease even though it has been recommended.The goal of this work is to lead a transversal investigation amongst patients where an indication for this dental tray exists, to evaluate why these patients have not benefited from this treatment or have not used it. This will allow to improve this prevention method's implementation. Investigation will be led to a patient's cohort recruited within Dr. Florimond and Fouilloux's oncology consultation ward, Dr. Decup and Gosset's dry syndrome and Gougerot-Sjoegren's disease consultation ward at Hopital Charles Foix, the Rheumatology department at Hopital Bicetre in Paris, the dry syndrome and Gougerot-Sjoegren's disease French association, and the oro-facial oncology department of Hopital Gustave Roussy in Paris. This work will describe the development of the form presented to patients and implementation of reglementary protocols to lead this investigation. (author)