Survival of 352 titanium implants placed in 181 patients: a 4-year multicenter field study
신승일, 윤정호, 김성근, Park Byoung-Kyou, 허익, 정종혁,
소속 상세정보
신승일 ( Shin Seung-Il ) - Kyung Hee University School of Dentistry Department of Periodontology
윤정호 ( Yun Jeong-Ho ) - Inha University School of Medicine Department of Dentistry
김성근 ( Kim Sung-Geun ) - Kyung Hee University School of Dentistry Department of Periodontology
( Park Byoung-Kyou ) - Kyung Hee University School of Dentistry Department of Periodontology
허익 ( Herr Yeek ) - Kyung Hee University School of Dentistry Department of Periodontology
정종혁 ( Chung Jong-Hyuk ) - Kyung Hee University School of Dentistry Department of Periodontology
KMID : 0363020140440010008
Abstract
Purpose: The aim of this retrospective chart review was to evaluate the four-year survival rate of a titanium implant system.
Methods: A total of 352 sand-blasted, thermally acid-etched titanium implants were inserted into 181 partially or completely edentulous patients. Their cumulative survival rate was evaluated retrospectively. Associated factors, such as the implant distribution and treatment type were included in the evaluation.
Results: The implants were equally distributed between the maxilla (52.3%) and the mandible (47.7%). 48 implants (13.6%) were placed in the anterior region and 304 implants (86.4%) in the posterior region. The majority of the implants were inserted into bone of type II and III quality (89.8%) and volume (quantity B and C, 87.2%). Most of the implants (70.7%) were restored as single crowns; 28.7% supported a bridge construction and 0.6% a full denture. Only one implant failed, resulting in a four-year cumulative survival rate of 99.7%.
Conclusions: The implant system showed an excellent four-year survival rate. It proved to be a safe and predictable means for restoration of the dentition in partially or completely edentulous patients.
키워드
Dental implant ; Multicenter study ; Survival rate
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