구강회복응용과학지 (Journal of Dental Rehabilitation and Applied Science)

  • 제28권4호
  • /
  • Pages.359-370
  • /
  • 2012
  • /
  • 2384-4353(pISSN)
  • /
  • 2384-4272(eISSN)
대한턱관절교합학회 (Korean Academy of Stomatognathic Function and Occlusion)
권호 표지

포스트로 수복한 근관 치료된 치아의 임상적 상태에 대한 평가

Complication and Failure Analysis of Endodontically Treated Teeth Restored with Post and Cores

  • 윤미정 (부산대학교 치의학전문대학원 보철학교실) ;
  • 김무현 (부산대학교 치의학전문대학원 보철학교실) ;
  • 정창모 (부산대학교 치의학전문대학원 보철학교실) ;
  • 허중보 (부산대학교 치의학전문대학원 보철학교실) ;
  • 전영찬 (부산대학교 치의학전문대학원 보철학교실)
  • Yun, Mi-Jung (Department of Prosthodontics, School of Dentistry, Pusan National University) ;
  • Kim, Mu-Hyon (Department of Prosthodontics, School of Dentistry, Pusan National University) ;
  • Jeong, Chang-Mo (Department of Prosthodontics, School of Dentistry, Pusan National University) ;
  • Huh, Jung-Bo (Department of Prosthodontics, School of Dentistry, Pusan National University) ;
  • Jeon, Yeong-Chan (Department of Prosthodontics, School of Dentistry, Pusan National University)
  • 투고 : 2012.09.25
  • 심사 : 2012.12.25
  • 발행 : 2012.12.30
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초록

근관 치료가 시행된 치아의 상당수는 많은 치질의 상실로 인하여 통상적으로 치수관 내에 포스트를 세워 유지를 얻고 코어를 제작하여 최종 보철물을 제작하는 방법으로 치료되고 있다. 포스트와 코어를 이용한 고정성 보철물의 장기적 예후를 보장하고자 하는 많은 노력에도 불구하고, 임상에서는 다양한 합병증이 관찰되고 있다. 이에 본 연구에서는 근관 치료를 받고 포스트와 코어를 시행한 치아에 제작된 고정성 보철물의 임상적 상태를 조사하여 보철 진료의 임상적 참고 자료와 연구의 기초 자료로 도움이 되고자 하였다. 1990년에서 2005년까지 부산대학교병원 치과 보철과에 내원한 환자 중 근관 치료 후 포스트와 코어를 시행하고 고정성 보철물을 치료 받은 환자를 대상으로 고정성 보철물에 연관된 임상적 상태를 조사 평가하여 다음과 같은 결과를 얻었다. 1. 전체 고정성 보철물의 추정 수명은 11.1년이었고, 평균 장착 기간은 $9.7{\pm}3.4$년이었다. 2. 나이와 성별에 따른 수명의 차이는 나타나지 않았다 (P>.05). 3. 악골에 따른 수명의 차이는 나타나지 않았으나 (P>.05), 전후방 위치에서는 전치부에서 수명이 가장 길었고 구치부, 견치를 포함하는 보철물 순으로 수명이 짧았다 (P<.05). 4. 포스트의 재료 및 방법과 고정성 보철물의 종류는 보철물의 수명에 영향을 미치지 않았으나 (P>.05), 보철물의 재료는 수명에 영향을 미쳤다(P<.05). 5. 고정성 보철물의 크기는 보철물의 수명에 영향을 미치지 않았다 (P>.05). 6. 대합치 조건별 고정성 보철물의 수명은 차이가 없었다 (P>.05). 7. 고정성 보철물의 합병증은 치아 우식증 (34.5%), 치주 질환 (25.9%), 치아 파절 (15.5%), 치수 질환 (12.1%) 순이었다. 보철물을 제거한 후 잔존 치질은 51.9%가 수복 불가능한 상태였다.

The endodontically treated tooth is generally restored with post and core, owing to the brittle and the loss of large amount of tooth structure. The purpose of this study was to evaluate the clinical status of fixed prostheses to improve the quality of dental care. In order to assess the clinical status of fixed prostheses, a total of 101 individuals (aged 30-89, 66 women and 35 men loaded with 125 fixed prostheses) who treated in the Department of Prosthodontics, Pusan National University Dental Hospital, between January 1990 to December 2005 were examined. The results of this study were as follows: 1. Length of service of fixed prostheses was $9.7{\pm}3.4$ years (mean), 11.1 years (median). 2. Age and sex of patient was found to have no statistically significant influence on longevity of fixed prostheses (P>.05). 3. Location of fixed prostheses was found to have statistically significant influence on longevity of fixed prostheses (P<.05). The longevity of fixed prostheses was low in anterio-posterior combination region (median:9.2 years). 4. Longevity of fixed prostheses made of base metal ceramic(median:12.0 years) and noble metal ceramic (median:11.3 years) is long (P<.05). 5. Number of units in fixed prostheses was found to have no statistically significant influence on longevity of fixed prostheses (P>.05). 6. Condition of opposing dentition was found to have no statistically significant influence on longevity of fixed prostheses (P>.05). 7. Dental caries, periapical disease, tooth fracture were frequent complications. In 51.9% of the cases, abutment state after removing fixed prostheses was needed to be extracted.

키워드

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