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The Journal of Indian Prosthodontic Society

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01-03-2014 | Review Article

Passive Fit in Screw Retained Multi-unit Implant Prosthesis Understanding and Achieving: A Review of the Literature

Authors: Muaiyed Mahmoud Buzayan, Norsiah Binti Yunus

Published in: The Journal of Indian Prosthodontic Society | Issue 1/2014

Abstract

One of the considerable challenges for screw-retained multi-unit implant prosthesis is achieving a passive fit of the prosthesis’ superstructure to the implants. This passive fit is supposed to be one of the most vital requirements for the maintenance of the osseointegration. On the other hand, the misfit of the implant supported superstructure may lead to unfavourable complications, which can be mechanical or biological in nature. The manifestations of these complications may range from fracture of various components in the implant system, pain, marginal bone loss, and even loss of osseointegration. Thus, minimizing the misfit and optimizing the passive fit should be a prerequisite for implant survival and success. The purpose of this article is to present and summarize some aspects of the passive fit achieving and improving methods. The literature review was performed through Science Direct, Pubmed, and Google database. They were searched in English using the following combinations of keywords: passive fit, implant misfit and framework misfit. Articles were selected on the basis of whether they had sufficient information related to framework misfit’s related factors, passive fit and its achievement techniques, marginal bone changes relation with the misfit, implant impression techniques and splinting concept. The related references were selected in order to emphasize the importance of the passive fit achievement and the misfit minimizing. Despite the fact that the literature presents considerable information regarding the framework’s misfit, there was not consistency in literature on a specified number or even a range to be the acceptable level of misfit. On the other hand, a review of the literature revealed that the complete passive fit still remains a tricky goal to be achieved by the prosthodontist.

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Title: Passive Fit in Screw Retained Multi-unit Implant Prosthesis Understanding and Achieving: A Review of the Literature
Authors: Muaiyed Mahmoud Buzayan
Norsiah Binti Yunus
Publication date: 01-03-2014
Publisher: Springer India
Published in: The Journal of Indian Prosthodontic Society / Issue 1/2014
Print ISSN: 0972-4052
Electronic ISSN: 1998-4057
DOI: https://doi.org/10.1007/s13191-013-0343-x

At a glance: The STEP trials

Springer Medicine

Passive Fit in Screw Retained Multi-unit Implant Prosthesis Understanding and Achieving: A Review of the Literature

Abstract

At a glance: The STEP trials

Springer Medicine

Abstract

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