두 종류의 임플란트 시스템을 이용한 하악의 미니-임플란트지지 피개의치 수복 증례
Mandibular implant supported overdentures with two different mini-implant systems: A case report
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본 증례는 치조골의 흡수가 심한 두 명의 완전무치악 환자에서 서로 다른 임플란트 시스템을 이용한 하악의 미니-임플란트 지지 피개의치에 대한 증례보고이다. 두 환자는 하악 의치의 유지력 부족으로 인한 의치 사용시 불편감 및 동통을 주소로 호소하였다. 각각의 환자는 4개의 미니 임플란트를 이공사이에 판막의 거상없이 식립하였다. 첫번째 증례는 미니볼 어태치먼트와 일체형으로 된 미니-임플란트(Slimline, Dentium, Seoul, Korea)를 식립하고 구강내 직접법으로 어태치먼트를 연결하여 즉시하중을 시행하였다. 두번째 증례는 분리형으로 로케이터 어태치먼트와 연결되는 미니-임플란트(LODI, Zest Anchors, Escondido, CA, USA)를 이용하였으며, 임플란트 식립 8주 후 간접법으로 어태치먼트를 연결하였다. 최종 의치 장착 후 6개월 정기검진까지 미니볼과 로케이터 어태치먼트를 이용한 하악의 미니-임플란트 지지 피개의치 증례에서 환자의 전반적인 만족도가 개선되었으며 주목할 만한 합병증 없이 만족할 만한 임상적 결과를 얻었다. 단 추후 지속적인 유지관리 및 장기적인 평가가 더 필요하리라 사료된다.
Abstract
This case report describes the treatment of two fully edentulous patients with mini-implant overdentures using different implant systems on narrow mandibular alveolar bone ridge. They were complaining about discomfort and pain wearing mandibular conventional complete dentures caused by insufficient retention. Each patient received four miniimplants in the interforaminal area of the mandible using the non-submerged flapless surgical approach. One-body type implant (Slimline, Dentium, Seoul, Korea) was used for a patient and loaded immediately after surgery. Metal housings of O-ring were attached by direct technique. For the other patient, two-piece type implant (LODI, Zest Anchors, Escondido, CA, USA) was used and impressions were made for attachment connection of the Locator's metal housings after 8 weeks of surgery. Within this case report, mandibular miniimplant overdentures using different implant systems showed improvement of patient satisfaction with favorable peri-implant tissue response 6 months after attachment connection. However, long-term follow-up is needed for further evaluation.
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