J Korean Assoc Maxillofac Plast Reconstr Surg.  2009 Jul;31(4):306-313.

Clinical study on survival rate of osseointegrated implants

Affiliations
  • 1Department of Oral and Maxillofacial Surgery, College of Dentistry, Wonkwang University, Korea. balrar@hanmail.net
  • 2Implant center, Daejeon Dental Hospital, Wonkwang University, Korea.

Abstract


OBJECTIVES
The aim of the present review was to evaluate survival rate and various factors associated with survival of osseointegrated implants.
PATIENTS AND METHODS
The clinical comparisons were performed to evaluate survival rate of 794 endosseous implants that had been inserted between 2004 through 2008 in relation to sex and age of patients, position of implant, implant system and surface characteristics, length and diameter of implant, and bone graft technique.
RESULTS
The survival rate of implant was 94.3% in posterior area of maxilla and 98.6% in posterior area of mandible by position of implant, a statistically significant difference. As to diameter of implant, survival rate was 98.4% between the 4.0 and 4.5 mm and 75.0% in larger than 5.0 mm, that was statistically significant difference. There was a statistically significant difference regard to bone graft and surgical technique. The implant survival rate was 89.0% in a placement site which performed sinus lifting, and in case of implant placement with guided bone regeneration technique and without bone grafting was 97.6% and 100% each.
CONCLUSION
According to these findings, this study establishes a relationship between survival rate of implant and position, surface characteristics, diameter of implant and bone graft technique.

Keyword

Osseointegrated implant; Survival rate

MeSH Terms

Bone Regeneration
Bone Transplantation
Humans
Lifting
Mandible
Maxilla
Survival Rate
Transplants
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