상악 완전 무치악 환자에서 임플란트 고정성 보철물을 지대치로 한 후방 연장 국소의치 수복 증례
Distal-extension removable partial denture with anterior implant supported fixed prostheses in a maxillary edentulous patient: Case report
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완전 무치악 환자에서 임플란트를 이용한 보철 수복을 계획하는 경우 임상의는 많은 어려움과 직면하게 된다. 임플란트를 이용한 고정식 보철물로 수복하려는 경우 높은 치료 비용과 장기간의 치료 기간뿐만 아니라 고도로 흡수된 치조골로 인해 추가적인 수술을 동반해야 하는 경우가 많다. 또한 임플란트 피개의치 제작 시에는 수복물을 위한 악간 공간의 부족이 문제가 될 수 있다. 본 연구에서는 최근 연구되고 있는 임플란트를 지대치로 이용한 가철성 수복 증례의 하나로, 상악 완전 무치악 환자에서 전치부의 소수 임플란트 식립 후 이를 지대치로 하는 후방 연장 국소의치 수복을 수행하였다. 이는 치조골 이식 등의 부가적인 수술 가능성을 줄여 치료 기간을 단축시키며, 고령의 환자에게도 비교적 받아들이기 쉬운 치료법이 될 수 있다. 본 증례에서 이를 이용하여 환자에게 기존의 보철물 양식과 유사한 보철 수복을 제공하여 빠른 적응과 저작 효율 및 심미성을 회복하였으며, 만족할만한 치료 결과를 보여주었다.
Abstract
Clinicians are faced with many difficulties when planning prosthodontic restorations with implants in a complete edentulous patient. When planning fixed implant prosthetics, it is often necessary to have additional surgery due to highly reduced alveolar bone, as well as high treatment costs and long-term treatment durations can be required. In addition, lack of interocclusal space can be a problem when planning implant supported overdentures. In this study, we planned to place a small number of implants on the anterior maxilla and used them as the abutments for distal-extension removable partial dentures on the posterior side in a maxillary fully edentulous patient. This would reduce the possibility of additional invasive operations such as alveolar bone graft, shorten the treatment time, and be relatively easy for elderly patients to burden. In this case, the patient was provided with a distal-extension removable partial denture and anterior implant fixed prostheses, which was similar to the previous one, and showed good adaptation, and chewing efficiency and esthetics was recovered.
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