Document Detail

4-year clinical study of castable ceramic crowns.
MedLine Citation:
PMID:  8634163     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the 4-year clinical performance of castable glass ceramic crowns used to restore teeth in the posterior segments. MATERIALS AND METHODS: 101 castable ceramic (Dicor) full++ crown restorations were placed in 61 molar and 40 premolar teeth using a bonded resin cement. RESULTS: After 4 years of clinical performance, 15 of the original 101 restorations were known to have failed with 13 of those failures affecting molar restorations. All serviceable restorations were rated as excellent for color match, margin adaptation, proximal contact and gingival health. Cavosurface margin discoloration received a 93.5% alfa response. The results of this study show that Dicor crowns meet the esthetic and biological requirements for posterior restorations. The incidence of fracture of molar restorations in this study indicated that when used for restoring molars, careful case selection and caution must be employed.
W P Kelsey; T Cavel; R J Blankenau; W W Barkmeier; T M Wilwerding; M A Latta
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Publication Detail:
Type:  Clinical Trial; Controlled Clinical Trial; Journal Article    
Journal Detail:
Title:  American journal of dentistry     Volume:  8     ISSN:  0894-8275     ISO Abbreviation:  Am J Dent     Publication Date:  1995 Oct 
Date Detail:
Created Date:  1996-07-10     Completed Date:  1996-07-10     Revised Date:  2009-11-19    
Medline Journal Info:
Nlm Unique ID:  8806701     Medline TA:  Am J Dent     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  259-62     Citation Subset:  D    
Department of Operative Dentistry, Creighton University, School of Dentistry, Omaha, NE 68178, USA.
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MeSH Terms
Dental Marginal Adaptation
Dentin-Bonding Agents
Follow-Up Studies
Prosthesis Coloring
Prosthesis Failure
Reg. No./Substance:
0/Dentin-Bonding Agents; 107991-54-8/Prisma Universal Bond

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