Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
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Complete denture treatment using lingualized occlusion scheme at the edentulous patient with severely absorbed flat residual ridges: a case report

심한 치조골 흡수로 인해 편평한 치조제를 보이는 완전 무치악 환자에서 설측 교두 교합을 이용한 의치 수복 증례

  • Choi, Bum-Shik (Department of Prosthodontics, School of Dentistry, Dankook University) ;
  • Lee, Joon-Seok (Department of Prosthodontics, School of Dentistry, Dankook University)
  • 최범식 (단국대학교 치과대학 치과보철학교실) ;
  • 이준석 (단국대학교 치과대학 치과보철학교실)
  • Received : 2017.07.10
  • Accepted : 2017.07.29
  • Published : 2017.09.30
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Abstract

Many factors should be considered for successful denture treatment at edentulous patients: support, retention, stability, occlusion, esthetics, etc. The patient who has severely absorbed residual ridges, however, treatments are challenging to satisfy those factors. The dentures that use anatomic artificial teeth show good mastication efficiency and esthetics but, can easily lose stability at absorbed ridges. On the contrary, the dentures that use non-anatomic artificial teeth perform better stability but, lower masticatory efficiency and esthetics at absorbed ridges. The lingualized occlusion, using both anatomic and non-anatomic teeth, introduced for compromise those of the pros and cons. At lingualized occlusion, buccal cusps of the teeth do not contact on centric relation. Therefore, direction of the occlusal force towards lingually, then stability of dentures increases. This case report shows the results of the treatment flat residual ridges using complete dentures with ligualized occlusion to increase dentures stability and satisfactory of the patient.

총의치 치료에서는 지지, 유지, 안정, 교합, 심미 등 고려할 요소가 많으나 치조골 흡수가 심한 경우, 해당 요인을 갖추기 어렵다. 해부학적 치아를 사용할 경우 좋은 저작효율과 심미성을 기대할 수 있으나, 흡수된 치조골에서는 안정이 저하될 수 있으며 비해부학적 치아는 이와 반대의 효과를 나타낸다. 이에 치아를 혼용하는 설측 교두 교합이 제시되었다. 설측 교두 교합에서 상, 하악 협측 교두는 중심위, 측방위에서 접촉되지 않고 교합접촉위치가 설측화 또는 중심화되어 의치의 안정성이 증대될 수 있다. 본 증례는 상하 치조제의 흡수가 진행되어, 상악에서 편평한 치조제를 보이는 경우로, 설측 교두 교합을 이용한 총의치를 이용하여 치료함으로써 의치의 안정성과 환자의 만족도를 높였기에 이를 보고하는 바이다.

Keywords

References

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