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Factors affecting retention of post systems: a literature review
1Faculty of Dentistry, University of Manitoba, Winnipeg, Manitoba, Canada.stocktn@ms.umanitoba.ca
Statement Of Problem:
An extensive review of the published literature has revealed a wide divergence of opinion regarding the suitability of different post systems for endodontically treated teeth. As a result, the dentist has no clear guidelines concerning the selection of suitable post systems that will provide adequate retention while minimizing subsequent root fracture.
Purpose:
This study formulated, through the literature search, a set of guidelines to assist the dentist in selecting an endodontic post system that would optimize retention while limiting root fracture.
Results:
For most clinical situations, the literature indicates that a passive parallel-sided post will, in the hands of the average practitioner, allow the dentist to successfully restore most endodontically treated teeth.