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Case report: Full mouth rehabilitation for patient with heavy occlusal force and excessive abrasion

강한 교합력과 과도한 마모를 보이는 환자의 전악수복 증례

  • Park, Ji-Hee (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Vang, Mong-Sook (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Yang, Hong-So (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Park, Sang-Won (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Yun, Kwi-Dug (Department of Prosthodontics, School of Dentistry, Chonnam National University) ;
  • Lim, Hyun-Pil (Department of Prosthodontics, School of Dentistry, Chonnam National University)
  • 박지희 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 방몽숙 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 양홍서 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 박상원 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 윤귀덕 (전남대학교 치의학전문대학원 치과보철학교실) ;
  • 임현필 (전남대학교 치의학전문대학원 치과보철학교실)
  • Received : 2012.11.26
  • Accepted : 2013.01.25
  • Published : 2013.04.30

Abstract

Many of the patients with extensive abrasion need comprehensive restorative treatment. The abrasion is usually caused by attrition, besides of it, there are many reasons for it. The plan of treatment should be started on assessment of the type of attrition and the etiologic analysis. Patient with well-developed masticatory muscle, alveolar process, and high occlusal force and also with little muscle length difference between the stable and the contracted state should be carefully assessed for the vertical dimensional loss and the restoration should be carefully designed. Decrease of tooth length can be compensated by the growth of the alveolar bone height; therefore, consistency of the occlusal vertical dimension is maintained. Accordingly, a careless increase of the vertical dimension can produce muscle fatigue, depressed tooth and pain, and fracture of the restoration. In this case, the patient with multiple tooth abrasion and clenching habit, the edentulous maxillary area is restored with amalgam inserted RPD, and the dentulous area of the maxilla and mandible are treated with fixed restoration accompanying with the increase of vertical dimension. Consequently, we are going to report about the satisfying result in both functional and esthetic aspects.

과도한 마모를 보이는 환자는 광범위한 수복 치료를 필요로 하는 경우가 많다. 마모의 원인은 주로 교모에 의해 발생하나 이외에도 여러 가지 유발 요인이 있으며 치료 계획은 이러한 마모의 양상과 병인 분석에서 가장 먼저 시작되어야 한다. 발달된 저작근과 치조돌기, 높은 교합력을 보이며 수축 상태와 안정 상태의 근육길이 차이가 적어 악간 간격이 많지 않은 환자는 수직 고경 상실에 대한 평가와 수복물의 설계가 더욱 신중하게 이루어져야 한다. 치아 길이의 감소는 그에 상응하는 치조골 높이 신장에 의해 보상될 수 있으며 수직고경의 항상성이 유지되는 것이므로, 이 경우 수직고경의 섣부른 증가는 근피로감, 치아의 압하 및 통증, 보철물의 파절등을 초래할 수 있다. 본증례의 환자는 다수 치아의 마모와 이 악물기 습관이 관찰된 환자로, 수직고경의 증가를 동반하여 상악 무치악 부위는 아말감을 삽입한 가철성 국소의치, 상하악 유치악 부위는 고정성 보철물로 수복을 하였으며, 이에 기능적인 면과 심미적인 면에서 만족스러운 결과를 얻었기에 치험례를 보고하고자 한다.

Keywords

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