International Indonesian Prosthodontic Meeting 2016 The Effect of Various Factors on Masticatory Performance of Removable Denture Wearers Savedra Pratama 1, Lindawati S. Kusdhany 2, Henni Koesmaningati 3 1. Resident of Prosthodontics Specialist Program, Department of Prosthodontics, Faculty of Dentistry, Universitas Indonesia 2. Professor of Removable Prosthodontics, Department of Prosthodontics, Faculty of Dentistry, Universitas Indonesia 3. Lecturer of Removable Prosthodontics, Department of Prosthodontics, Faculty of Dentistry, Universitas Indonesia Introduction Masticatory performance is the ability to breakdown food to facilitate digestion, and its role in food intake is important. Disturbance in masticatory performance due to loss of teeth could lead towards lower nutritional status. Removable dentures are one of the ways used to rehabilitate loss of teeth and restore masticatory performance. But not all removable dentures produce masticatory performance with the same quality. There are various factors that could affect masticatory performance in removable denture wearer such as factors that originate from the wearer and factors within the denture itself. To objectively evaluate the masticatory performance, color-changeable chewing gum were used. Materials and Methods Thirty four removable denture wearers (full dentures, single complete dentures, or partial dentures) participated in a cross-sectional study of masticatory performance using color-changeable chewing gum (Masticatory Performance Evaluating Gum Xylitol®) that had 5 color-coded scale which were: (1) Green, (2) Yellow, (3) Pink, (4) Red, (5) Dark Red. The volume of saliva were evaluated using measuring cups, and residual ridge heights were measured using modified mouth mirror no. 3 with metric measurements. Result Statistical analyses reveal that residual ridge height (p=0,003) and removable denture-wearing experience (p=0,051) had significant relationship with masticatory performance. Age (p=1,000), gender (p=0,711), salivary flow rate (p=0,400), denture types (p=0,218), and the number of tooth loss (p=0,097) did not have significant association with masticatory performance. Objective To analyze the relationship between residual ridge height, removable denture-wearing experience, salivary flow rate, age, gender, types of removable denture, and number of tooth loss with masticatory performance. Conclusion This study indicates that masticatory performance is better in individuals with higher residual ridge and having previous experience with wearing removable denture. Presented at: International Indonesian Prosthodontic Meeting 2016 Solo, September 15th – September 17th 2016