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The Tooth-Implant Connection: A Review.
MedLine Citation:
PMID:  21091344     Owner:  NLM     Status:  Publisher    
Abstract Objectives: The aim of this review was to assess the long-term outcome of restorations supported by implants and natural teeth in regard to complications with the implants, the teeth and the restorations as well as the influence on these parameters of the connector type used.Material and Methods: A net-based search in "Pubmed" was performed and combined with a manual search. Clinical studies, reviews and biomechanical studies were included. Information on survival rate, complication rate, incidence of tooth intrusion, and where applicable, type of connector used, were retrieved from the clinical studies. Force distribution and type of connector used were retrieved from the biomechanical study. A summary of the outcomes was retrieved from the reviews. Results: A total of 25 articles were selected to be included in this review including clinical studies (15), biomechanical studies (7), reviews (3). Implant success-rate ranged between 79.5-100%. Tooth-complications occurred in 5.4-11.8% of cases. Complications of the suprastructure were observed in 5-90% of cases. Tooth-intrusion presented in a total of 0-66% of all cases, and more often in cases with non-rigid connection (0-66%) vs. cases with rigid connection (0-44%).Biomechanical studies show a large difference in stress distribution in dependence of the type of connector used, with the majority of studies demonstrating that non-rigid connectors drastically reduce the stress on the suprastructure while increasing forces on the supporting teeth and implants. Conclusions: Long-term success-rates for tooth-implant connections are lower than for solely implant supported restorations in regards to prognosis for teeth, implants and supra structure. The use of rigid connectors leads to more favorable clinical outcome in regards to long-term stability, complications and tooth intrusion.
Oliver Hoffmann; Gregory-George Zafiropoulos
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2010-11-23
Journal Detail:
Title:  The Journal of oral implantology     Volume:  -     ISSN:  0160-6972     ISO Abbreviation:  J Oral Implantol     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-11-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7801086     Medline TA:  J Oral Implantol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
a Loma Linda University, Loma Linda, California, United States.
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