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Volume 20 , Issue 6
November/December 2007

Pages 623625

Short Communication: Influence of Connection Geometry on Dynamic Micromotion at the Implant-Abutment Interface

Joe C. Meng, DDS/Joshua E. Everts, DDS/Fang Qian, M Phil, PhD/David G. Gratton, BSc, DDS, MS

PMID: 18069372

The aim of this study was to evaluate dynamic micromotion at the implant-abutment interface for 3 different implant neck designs. Five samples each from 3 implant types with different neck designs were subjected to 1 x 10,6 cycles under simulated oral conditions. Load magnitudes varied from 10 to 250 N at 15 Hz. The results revealed a significant main effect for type of implant (P < .0001). The main effect for level of cycles proved to be nonsignificant (P = .9999), as did the interaction between type of implant and level of cycles (P = .9989). Differences in neck design among the 3 implant types resulted in differences in micromotion at the implant-abutment interface under simulated oral conditions. Int J Prosthodont 2007;20:623625.

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