Document Detail


Two-year follow-up study of Procera-ceramic fixed partial dentures.
MedLine Citation:
PMID:  9709604     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: The aim of this prospective study was to determine whether a machine-fabricated titanium fixed partial denture veneered with a low-temperature fused porcelain is an acceptable treatment modality. MATERIALS AND METHODS: The study originally included 25 patients with 37 fixed partial dentures of three to seven units, with a total of 151 units including 98 abutments. A clinical examination using the California Dental Association quality evaluation system and radiologic examination and registration of complications was conducted at the time of insertion and after 1 and 2 years. RESULTS: After 2 years, 123 units (including 80 abutments) remained for examination. Twenty-eight units (including 18 abutments) were lost during the follow-up period. The losses were because of drop-out (eight cases), root fracture (two cases), caries (six cases), and periodontitis (two cases). One fixed partial denture fractured after 18 months and was therefore remade. In all, porcelain fractures occurred in two patients, both with severe parafunctional habits. At baseline, the California Dental Association rating system for marginal integrity was "excellent" for 72 abutments and "acceptable" for 26 abutments. At the 2-year follow-up the corresponding rating was "excellent" for 46 abutments, "acceptable" for 30 abutments, and "not acceptable" for four abutments. The latter marginal defects were corrected with restorations. For surface and color the corresponding ratings were "excellent" for 137 units and "acceptable" for 14 units at baseline, and "excellent" for 80 units and "acceptable" for 43 units at the 2-year follow-up. Bleeding index increased from 24% at baseline to 33% after 2 years. CONCLUSION: The study confirms that for an observation period of 2 years, fixed partial dentures made by the Procera method seem to be an acceptable treatment modality. They are a suitable alternative to fixed partial dentures with porcelain fused to high-noble alloys.
Authors:
J I Smedberg; J Ekenbäck; E Lothigius; K Arvidson
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The International journal of prosthodontics     Volume:  11     ISSN:  0893-2174     ISO Abbreviation:  Int J Prosthodont     Publication Date:    1998 Mar-Apr
Date Detail:
Created Date:  1998-08-26     Completed Date:  1998-08-26     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8900938     Medline TA:  Int J Prosthodont     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  145-9     Citation Subset:  D    
Affiliation:
Department of Prosthetic Dentistry, St Erik Hospital, Stockholm, Sweden. JI.Smedberg@protetik.Pl.se
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Dental Abutments
Dental Porcelain*
Dental Restoration Failure
Denture Design*
Denture, Partial, Fixed*
Female
Follow-Up Studies
Humans
Male
Materials Testing
Metal Ceramic Alloys*
Middle Aged
Prospective Studies
Stress, Mechanical
Titanium*
Treatment Outcome
Chemical
Reg. No./Substance:
0/Metal Ceramic Alloys; 0/Procera; 12001-21-7/Dental Porcelain; 7440-32-6/Titanium

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


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