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Evaluation of the retention of endodontic implants
C Maniatopoulos1, R M Pilliar, D C Smith
1University of Toronto, Faculty of Dentistry, Ont., Canada.
The Journal of Prosthetic Dentistry
|April 1, 1988
Abstract:
The study investigated the retentive strength of endodontic implants measured by forced removal (pull-out or push-out tests) as a function of implant design and cement type. Smooth-tapered, threaded, and an innovative porous-surfaced implant were evaluated. Specimens were cemented in single-rooted human teeth with five different cements: zinc phosphate, polycarboxylate, glass ionomer, silicophosphate, or AH-26. The results indicated superior retention for the threaded and porous-surfaced implants, and stronger retention with glass-ionomer and AH-26 cements.