Document Detail


Resistance form in tooth preparation.
MedLine Citation:
PMID:  15172606     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Theoretical and clinical studies of resistance form are reviewed, supporting the basic prosthodontic principle that resistance form is an essential element in preparation design. Concepts of the"on-off" nature of resistance form, its application in guidelines for minimally acceptable preparation taper, and the controversy over whether there is a relationship with clinical success or failure are discussed. It is more challenging to obtain resistive molar preparations than resistive anterior preparations, and uneven preparation margins can make parallel 0 degree taper preparations lack resistance form. The usefulness of grooves, especially in molar preparations with uneven margins, is illustrated. The Lewis and Zuckerman techniques for evaluating resistive areas of a preparation are shown to be consistent with each other but not with the Weed method.
Authors:
M Harry Parker
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Dental clinics of North America     Volume:  48     ISSN:  0011-8532     ISO Abbreviation:  Dent. Clin. North Am.     Publication Date:  2004 Apr 
Date Detail:
Created Date:  2004-06-02     Completed Date:  2004-09-02     Revised Date:  2005-11-16    
Medline Journal Info:
Nlm Unique ID:  0217440     Medline TA:  Dent Clin North Am     Country:  United States    
Other Details:
Languages:  eng     Pagination:  v-vi, 387-96     Citation Subset:  D; IM    
Affiliation:
Department of Veterans Affairs Medical Center,Uptown Division, Dental Clinic, and Department of Oral Rehabilitation, Medical College of Georgia School of Dentistry, Augusta, USA. Harryparker1@comcast.net
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MeSH Terms
Descriptor/Qualifier:
Crowns*
Dental Abutments
Dental Prosthesis Retention / methods*
Dental Restoration Failure
Humans
Molar / anatomy & histology
Tooth Preparation / methods*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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