Tooth loss impacts taste abilities and food intake. Present study aims at pertaining the impact of teeth loss and the replacement by means of complete denture on taste and trigeminal abilities, and on food preferences, and taste appetence.

Two groups of participants will be included. Participants wearing complete denture for at least one year (n=20) and their matched controls for age, sex, tobacco, and saliva secretion (n=20). Their oral sensory abilities of participants will be assessed including taste (electrogustometric thresholds, chemical taste identification ability) and trigeminal quantitative sensory testing. Food preferences and selectivity (Maitre et al., 2014) and taste appetence (Deglaire et al., 2012) will also be assessed.

Inclusion Criteria:

Study Group : being completely edentulous and wearing denture for at least one year, wearing denture during meals, with clean and stable dentures. Controls:

controls Group : dentate subjects (25 teeth at leas, non endodontically treated) with molars in Angle's Class I occlusion, having no functional disturbance of mastication and not undergoing dental treatment at the time of the recording. Matched with subjects of the study group for age, sex, tabacco consumption, and saliva flow rate.

Exclusion Criteria:

• Aged under 18 or over 80 Y,
• not consenting to participate
• suffering from dental
• periodontal or gum pain for the last month.