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African Journal of Biotechnology

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Dual Component Removable Partial Denture shows improved patient practicality: An evidence based pilot study

C Fan, WTY Loo, BHS Yeung, MN B Cheung, Y Luo, B Lou, M Wang

Abstract


Dual Component Removable Partial Denture (DuCo RPD) is composed of a double base; lower and upper. The lower base, where the artificial teeth are attached, acts as a support and is in contact with the alveolar ridges and oral mucosa. Clasps are designed on the upper base, which acts towards the retention and stabilization of the denture. This study aims to compare the practicality and physiological changes between the use of DuCo RPD and Removable Partial Denture (RPD). Thirty-three cases of Kennedy class III patients were chosen to apply either DuCo RPD or RPD. Annual check-up was performed for three years to survey body weight, physical signs, facial symmetry, dental caries, alveolar
bone density, periodontal status, teeth mobility, denture retention, stability, degree of comfort, efficiency of biting, and total serum protein in blood before and after wearing DuCo RPD. All these factors were
compared with patients before and after wearing traditional RPD. Body weight, physical signs, facial symmetry, dental caries, alveolar bone density and periodontal status were not statistically different
between the RPD and the DuCo RPD users. Bone resorption, teeth mobility and teeth loss of the RPD group were significantly higher (p < 0.05) than the DuCo RPD group. A major increase in retention and
stability (p < 0.05) were also observed for the DuCo RPD group. Patients who wore DuCo RPD had a higher biting efficiency than patients who wore RPD (p <0.05). DuCo RPD use is more practical and
patients with DuCo RPD application showed better physiological outcomes than patients with RPD application.



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