A randomized controlled trial comparing interim acrylic prostheses with and without cast metal base for immediate loading of dental implants in the edentulous mandible

作者：Thome Eloana; Lee Hyung Joo; de Mattias Sartori Ivete Aparecida; Trevisan Roseli Latenek; Luiz Jaques; Tiossi Rodrigo

来源：Clinical Oral Implants Research, 2015, 26(12): 1414-1420.

DOI：10.1111/clr.12470

• edentulous mandible
• immediate dental implant loading
• implant stability
• implant-supported dental prosthesis
• osseointegration

ObjectivesThis randomized controlled trial used resonance frequency analysis (RFA) to assess the effects of the presence or absence of a cast rigid bar splinting multiple implants in the stability of immediately loaded implants.
Material and MethodsTwenty-nine edentulous patients were randomly divided into two groups: G1 with full-arch implant-fixed prostheses and G2 with multiple implant splinting via acrylic resin denture bases. All implants were immediately loaded. RFA measurements assessed implant stability at three different times (T0 - at baseline, T1 - 4months, and T2 - 8months. Wilcoxon and Friedman tests and a multivariate model with repeated measures for longitudinal data were used for statistical comparison (=0.05).
ResultsTwenty-nine patients were assessed (G1=15 and G2=14). Implant and prostheses survival rates were 100% for both groups after the 8-month observation period and no significant differences in the mean ISQ values were found at the different implant stability assessment times (P>0.05).
ConclusionsThe different splinting protocols did not appear to affect implant stability during the 8-month observation period.

• 出版日期2015-12