2Professor, Removable Prosthodontic Department, Faculty of Dental Medicine, Al-Azhar University, Egypt
3Assistant Professor, Removable Prosthodontic Department, Faculty of Dental Medicine, Sinai University, Egypt
Abstract
Objective of the Study: Objective was to evaluate the bone loss in in Kennedy Class I partially edentulous subjects with acetal resin denture base at two and twelve months after denture insertion.
Materials and Methods: 24 subjects with lower Kennedy Class I were selected and randomly divided into 2 groups (12 subjects in each). Group I (GI): having 12 subjects, each one received metallic RPD. Group II (GII): having 12 subjects, each one received acetal resin RPD. The amount of bone loss in residual ridge was assessed using panoramic radiograph.
Results: After two months of denture insertion, the mean value of average bone loss in residual ridge at right side was 0.422 mm and 0.5 mm for group one and two respectively. While the mean value of average bone loss in residual ridge at left side was 0.63 mm and 0.65 mm for GI and GII respectively. After twelve months of denture insertion, the mean value of average bone loss in residual ridge at right side was 0.92571 mm and 1.391429 mm for GI and GII respectively. While at the left side the mean value of average bone loss in residual ridge was 1.24676 mm and 1.481429 mm for GI and GII respectively.
Conclusion: The metallic RPD appears to make less adverse effect on the residual ridge in Kennedy Class I partially edentulous patients.
Keywords: Bone Loss; Kennedy Class I; Edentulous Patients; Acetal Resin Denture Base
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