Cumulative survival rate of Astra Tech implants: a retrospective analysis
김정수, 손주연, 박정철, 정의원, 김창성, 이재훈, 심준성, 이근우, 최성호,
소속 상세정보
김정수 ( Kim Jung-Soo ) - Yonsei University College of Dentistry Department of Periodontology
손주연 ( Sohn Joo-Yeon ) - Yonsei University College of Dentistry Department of Periodontology
박정철 ( Park Jung-Chul ) - Yonsei University College of Dentistry Department of Periodontology
정의원 ( Jung Ui-Won ) - Yonsei University College of Dentistry Department of Periodontology
김창성 ( Kim Chang-Sung ) - Yonsei University College of Dentistry Department of Periodontology
이재훈 ( Lee Jae-Hoon ) - Yonsei University College of Dentistry Department of Prosthodontics
심준성 ( Shim June-Sung ) - Yonsei University College of Dentistry Department of Prosthodontics
이근우 ( Lee Keun-Woo ) - Yonsei University College of Dentistry Department of Prosthodontics
최성호 ( Choi Seong-Ho ) - Yonsei University College of Dentistry Department of Periodontology
KMID : 0363020110410020086
Abstract
Purpose: The aim of this study was to analyze the short-term predictability and reliability of Astra Tech implants according to the demographical distribution of patients and condition of implant sites and location of implants.
Methods: Among patients treated with Astra Tech implant (Astra Tech AB) in the Department of Periodontology at the Dental Hospital of Yonsei University of College of Dentisry and K Dental Clinic from May 2004 to March 2009, 195 implants in 98 patients which had been restored more than 6 months ago were reviewed in this study. Following data were reviewed from patient charts and implants success rate was examined: 1) patient type and implant location, 2) bone status at the implant site, 3) diameter and length of the placed implants, 4) presence or absence of bone augmentation and types of the augmentation.
Results: The results from this study are as follows: 1) most implants were placed in the molar area, especially 1st molar area of maxilla, 2) most implants were placed at D2 and D3 bone type, 3) most implants were placed in areas of B and C bone quantity, 4) autogenous and alloplastic bone graft and artificial membrane were used for placement of 74 implants.
Conclusions: Short-term survival rate of Astra Tech implants was 100%.
키워드
Dental implantation; Humans; Retrospective studies; Survival rate
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