대한치과보철학회지 (The Journal of Korean Academy of Prosthodontics)

  • 제57권2호
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  • Pages.134-141
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  • 2019
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  • 0301-2875(pISSN)
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  • 2005-3789(eISSN)
대한치과보철학회 (The Korean Academy of Prosthodonitics)
권호 표지
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리튬 디실리케이트-지르코니아 이중도재관과 단일구조 지르코니아로 제작된 구치부 고정성 임플란트 지지 보철물의 전향적 임상연구: 24개월 추적관찰

A prospective clinical of lithium disilicate pressed zirconia and monolithic zirconia in posterior implant-supported prostheses: A 24-month follow-up

  • 노경우 (부산대학교 치과대학 치과보철학교실) ;
  • 전영찬 (부산대학교 치과대학 치과보철학교실) ;
  • 정창모 (부산대학교 치과대학 치과보철학교실) ;
  • 윤미정 (부산대학교 치과대학 치과보철학교실) ;
  • 허중보 (부산대학교 치과대학 치과보철학교실) ;
  • 이소현 (부산대학교 치과대학 치과보철학교실) ;
  • 양동석 (부산대학교 치과대학 치과보철학교실) ;
  • 배은빈 (부산대학교 치과대학 치과보철학교실)
  • Roh, Kyoung-Woo (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Jeon, Young-Chan (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Jeong, Chang-Mo (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Yun, Mi-Jung (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Huh, Jung-Bo (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Lee, So-Hyoun (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Yang, Dong-Seok (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University) ;
  • Bae, Eun-Bin (Department of Prosthodontics, Dental Research Institute, Institute of Translational Dental Sciences, BK21 PLUS Project, School of Dentistry, Pusan National University)
  • 투고 : 2019.02.14
  • 심사 : 2019.03.21
  • 발행 : 2019.04.30
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초록

목적: 본 연구에서는 리튬 디실리케이트-지르코니아 이중도재관과 단일구조 지르코니아로 제작된 구치부 고정성 임플란트 지지 보철물의 2년간의 임상적 결과를 비교하고자 하였다. 대상 및 방법: 2015년에서 2018년 사이 부산대학교 치과병원에 내원하여 치료받은 총 17명의 환자(남성: 12, 여성: 5)를 대상으로 60개의 구치부 고정성 임플란트 지지 보철물을 제작하였다(LP. Lithium disilicate pressed zirconia prostheses: n = 30, MZ. Monolithic zirconia prostheses: n = 30) 보철물 제작 후 2년간의 추적 관찰을 통해 임플란트 생존율, 변연골 흡수량, 치주낭 깊이, 치태지수, 출혈지수, 치석지수 및 합병증을 평가하였다. 결과: 모든 임플란트가 기능적 문제와 동요도 없이 100%의 생존율을 보였다. 변연골 흡수량은 관찰 12개월에 LP군이 MZ군 보다 더 적었으며 (P < .05), 임상 검사시 관찰 12개월의 치주낭 깊이 및 치석 지수는 LP군에서 더 높았다 (P < .05). 주된 합병증으로 MZ군에서 7개에서 1.5 mm 이상의 골흡수가 관찰되었으며, LP군에서 2개의 chipping이 관찰되었다. 결론: 본 연구의 한계 내에서, 구치부 임플란트 지지 보철물에서 리튬 디실리케이트가 프레스된 지르코니아 보철물은 단일구조 지르코니아 보철물과 함께 예지성 있는 치료방법으로 판단된다.

Purpose: The purpose of this study was to compare the clinical outcomes of lithium disilicate ceramic pressed zirconia prostheses and monolithic zirconia prostheses and to investigate the complications after two years of follow-up in posterior edentulous site. Materials and methods: A total 17 patients (male: 12, female: 5) were treated with 60 posterior fixed implant-supported prostheses (LP. lithium disilicate ceramic pressed zirconia prostheses: n = 30, MZ. monolithic zirconia prostheses: n = 30). After 24-month, clinical examination of Implant survival rate, marginal bone resorption, probing depth, plaque index, bleeding index, calculus and complications were evaluated. Results: There were no failed implants and all implants were normal in function without mobility. Marginal bone resorption was lower in LP group than MZ group at 12-month (P < .05), and 12-month probing depth and calculus deposit in LP group were significantly higher than MZ group (P < .05). Most common complications in MZ were marginal bone resorptions more than 1.5.mm and 2 chipping occurred in LP group. Conclusion: Within the limitations of the present study, lithium disilicate ceramic pressed zirconia is considered as a predictable treatment option as much as monolithic zirconia in posterior fixed implant-supported prostheses.

키워드

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