How Does the Clinical and Paraclinical Efficacy of an Oral Appliance Evolved According to Propulsion: Control With Each mm of Advancement

"Each patient will undergo 3 to 7 polygraphy recordings according usual practice of titration At the same time, Self-questionnaires will be conducted by the patient in order to evaluate Oral appliance efficacy.~Optimal titration of oral appliance will be done according subjectives parameters. (sleepeness Reduction and fatigue Reduction).~Neither the investigator nor the patient will know the polygraphy results (apnea-hypopnea index)"