The Journal of Korean Academy of Prosthodontics (대한치과보철학회지)

The Korean Academy of Prosthodonitics (대한치과보철학회)
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Full mouth rehabilitation in patient with loss of vertical dimension and deep bite due to tooth wear

치아 마모로 인한 수직고경감소와 과개교합을 가진 환자의 완전 구강 회복 증례

  • Chae, Hyun-Seok (Department of Prosthodontics, School of Dentistry and Institute of Oral Bio-Science, Chonbuk National University) ;
  • Jeon, Bo-Seul (Department of Prosthodontics, School of Dentistry and Institute of Oral Bio-Science, Chonbuk National University) ;
  • Lee, Jung-Jin (Department of Prosthodontics, School of Dentistry and Institute of Oral Bio-Science, Chonbuk National University) ;
  • Ahn, Seung-Geun (Department of Prosthodontics, School of Dentistry and Institute of Oral Bio-Science, Chonbuk National University) ;
  • Seo, Jae-Min (Department of Prosthodontics, School of Dentistry and Institute of Oral Bio-Science, Chonbuk National University)
  • 채현석 (전북대학교 치의학전문대학원 치과보철학교실 및 구강생체과학연구소) ;
  • 전보슬 (전북대학교 치의학전문대학원 치과보철학교실 및 구강생체과학연구소) ;
  • 이정진 (전북대학교 치의학전문대학원 치과보철학교실 및 구강생체과학연구소) ;
  • 안승근 (전북대학교 치의학전문대학원 치과보철학교실 및 구강생체과학연구소) ;
  • 서재민 (전북대학교 치의학전문대학원 치과보철학교실 및 구강생체과학연구소)
  • Received : 2019.05.28
  • Accepted : 2019.07.03
  • Published : 2019.10.31
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Abstract

Excessive tooth wear can cause irreversible damage to the occlusal surface and can alter the anterior occlusal relationship by destroying the structure of the anterior teeth needed for esthetics and proper anterior guidance. The anterior deep bite is not a morbid occlusion by itself, but it may cause problems such as soft tissue trauma, opposing tooth eruption, tooth wear, and occlusal trauma if there are no stable occlusal contacts between the lower incisal edge against its upper lingual surface. The most important goal of treatment is to form stable occlusal contact in centric relation. In this case report, patients with decrease in vertical dimension and anterior deep bite due to maxillary posterior tooth loss and excessive tooth wear were treated full mouth rehabilitation with increased vertical dimension to regain the space for restoration and improve anterior occlusal relationship and esthetics. The functional and aesthetic problems of the patient could be solved by the equal intensity contact of all the teeth in centic relation (CR), anterior guidance in harmony with the functional movement, and restoration of the wear surface beyond the enamel range.

치아의 과도한 마모는 교합면에 비가역적 손상을 야기하고, 심미 및 적절한 전방유도를 위한 전치의 구조를 파괴하여 전치부 교합관계를 변화시킬 수 있다. 전치부 과개교합은 그 자체가 병적인 교합 상태는 아니나, 하악 전치의 절단연과 상악 전치의 설면 간에 안정된 교합 접촉이 결여된 경우 연조직 외상, 대합치 정출, 치아 마모, 교합 외상 등의 문제를 일으킬 수 있다. 치료의 가장 큰 목표는 중심위에서 안정된 교합 접촉을 형성해 주는 것이다. 본 증례에서는 상악 구치부 치아 상실 및 전반적인 치아 마모로 인해 수직고경의 감소와 전치부 과개교합을 가진 환자에서 수복공간 확보 및 전치부 교합관계와 심미성을 개선할 수 있는 수직고경 증가를 동반한 완전구강회복술을 시행하였다. 중심위에서 모든 치아의 균등한 접촉, 기능운동과 조화를 이루는 전방유도, 법랑질 범위를 벗어난 마모면의 회복을 통해 환자의 기능적, 심미적 문제를 해결할 수 있었다.

Keywords

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