J Korean Acad Periodontol.  2008 Dec;38(4):611-620. 10.5051/jkape.2008.38.4.611.

A retrospective study on survival rate of the most posterior single tooth implant

Affiliations
  • 1Department of Periodontology, College of Dentistry, Kangnung National University, Korea. dentist@kangnung.ac.kr

Abstract

PURPOSE
The purpose of this study was to assess the long term survival rates of the most posterior single tooth implant and to evaluate the influence of implant characteristics on implant survival. MATERIAL AND METHODS: This retrospective report presents findings on 37 patients with 43 implants replacing single molars. The inclusion criteria were having implants replacing a molar of the most posterior region and follow-up data over at least 6 months. Data were recorded regarding the incidence of complications and survival rates of these implants.
RESULTS
The range of follow-up was from 9 to 66 months(mean: 40.2 months). The cumulative survival rate of total implants was 93.0% which reflects the loss of three implants: one had broken neck, one implant failed because of infection, one implant showed failed osseointegration. Abutment- screws loosening occurred in five implants(11.6%).
CONCLUSION
Within the limits of this study, a single tooth-implant can serve as a good long-term and predictable treatment modality to replace the most posterior teeth with low complication and failure rates.

Keyword

Retrospective study; Implant survival rate; The most posterior single tooth implant

MeSH Terms

Follow-Up Studies
Humans
Incidence
Molar
Neck
Osseointegration
Retrospective Studies
Survival Rate
Tooth
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