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좁은 직경 임플란트 3년간의 생존율에 관한 후향적 연구
A 3 year prospective study of survival rate of narrow diameter implants
J Dent Rehabil Appl Sci 2018;34(1):32-38
Published online March 31, 2018
© 2018 Korean Academy of Stomatognathic Function and Occlusion.

이성조1, 정세영1, 신현승1*, 박정철1, 송영균2, 조인우1
Sung-Jo Lee1, Sae-Young Jung1, Hyun-Seung Shin1*, Jung-Chul Park1, Young-Gyun Song2, In-Woo Cho1

1단국대학교 치과대학 치주과학교실
2단국대학교 치과대학 보철학교실

1Department of Periodontology, College of Dentistry, Dankook University, Cheonan, Republic of Korea
2Department of Prosthodontics, College of Dentistry, Dankook University, Cheonan, Republic of Korea
Hyun-Seung Shin
Assistant Professor, Department of Periodontology, Dankook University College of Dentistry, 119 Dandae-ro, Dongnam-gu, Cheonan, 31116, Republic of Korea
Tel: +82-41-550-0263, Fax: +82-303-3442-7364, E-mail: perioshin@dankook.ac.kr
Received November 24, 2017; Revised November 27, 2017; Accepted January 2, 2018.
cc This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
목적: 3.6 mm 이하 좁은 직경 임플란트의 일정 기간 생존율을 초기고정 값과 방사선학적 계측을 통해 분석해보고자 하였다.
연구 재료 및 방법: 24명의 환자에 식립된 직경 3.6 mm 이하, 길이 7 mm 이상의 38개의 임플란트를 조사하였다. 식립된 임플란트의 platform 직경, body 직경, 길이, 식립 부위 등을 확인하였고 식립 시 골유도재생술의 동반 시행 여부, 완성된 보철의 형태를 확인하였다. 초기고정 값은 임플란트 식립 직후 측정한 implant stability quotient (ISQ) 값을 확인하였고, 방사선 사진을 통해 식립된 임플란트의 근 원심 marginal bone level (MBL)을 측정하였다.
결과: 전체 임플란트의 생존율은 92.11% 이었고 ISQ값은 평균 66.26으로 나타났다. 생존한 임플란트의 MBL 변화는 평균 0.14 ± 0.31 mm를 나타내었다. Platform 직경이 body 직경보다 큰 임플란트 중 실패한 임플란트는 없었다.
결론: 좁은 직경의 임플란트는 좁은 직경의 치조제에 안정적인 치료 결과를 나타낸다 사료된다.
Purpose: The purpose of present study was to retrospectively analyze the survival rate of narrow diameter implant less than 3.6 mm by initial stability and radiographic measurements.
Materials and Methods: In total, 24 patients who received 38 narrow diameter implants (≤ 3.6 mm in diameter, ≥ 7 mm in length) were enrolled in this retrospective study. The cumulative survival rate was calculated and various factors were investigated according to the implant platform diameter, body diameter, length, position, concomitant use of guided bone regeneration in implant placement and final prosthesis type. Initial stability was investigated with implant stability quotient (ISQ) value. The mesial and distal marginal bone level (MBL) change was calculated with radiography.
Results: The overall survival rate was 92.11%. Mean ISQ value and MBL change of survival implants was 66.26 and 0.14 ± 0.31 mm, respectively. None of the implants with platform diameters larger than the body diameter failed.
Conclusion: In conclusion, the findings of present study suggest that narrow diameter implant could be predictable treatment in narrow alveolar ridge.
주요어 : 좁은 직경 임플란트; 생존율; 자기공명주파수분석법
Keywords : narrow implant; survival rate; resonance frequency analysis


March 2018, 34 (1)
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