Document Detail

A study of the quality of impressions for anterior crowns received at a commercial laboratory.
MedLine Citation:
PMID:  8338520     Owner:  NLM     Status:  MEDLINE    
A report is presented of a study which was carried out to investigate the standard of impressions for anterior crowns received at a commercial dental laboratory in Great Britain. Aspects examined were the type of tray and its suitability to the impression technique used, fixation of the impression to the tray, the method of storage in transit, contamination, defects on the preparations and defects elsewhere affecting the occlusion. The quality of the actual preparation was not examined in this study. Similar details were noted for the opposing impression. Of the 50 cases examined only 12 were recorded as totally satisfactory, with 26 cases being recorded as not being of an acceptable standard for the construction of an adequate restoration. The results are presented with the conclusion that in this survey the general quality of impression was unacceptable.
P V Carrotte; R B Winstanley; J R Green
Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  British dental journal     Volume:  174     ISSN:  0007-0610     ISO Abbreviation:  Br Dent J     Publication Date:  1993 Apr 
Date Detail:
Created Date:  1993-05-06     Completed Date:  1993-05-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  7513219     Medline TA:  Br Dent J     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  235-40     Citation Subset:  D; IM    
Department of Restorative Dentistry, School of Clinical Dentistry, University of Sheffield, Claremont Crescent.
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MeSH Terms
Cross Infection / etiology
Crowns / standards
Dental Impression Technique / instrumentation,  standards*
Dental Models / standards
Disposable Equipment
Equipment Contamination
Comment In:
Br Dent J. 1993 May 8;174(9):311   [PMID:  8484993 ]
Br Dent J. 1993 Jun 5;174(11):398   [PMID:  8504026 ]
Br Dent J. 1993 May 8;174(9):311   [PMID:  8484994 ]

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