네비게이션 수술용 가이드를 이용한 치조정 접근식 상악동 거상술 : 증례보고
Crestal approach for maxillary sinus augmentation by using navigation surgical guide: case report
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목적 : 이 연구의 목적은 네비게이션 가이드 시스템(navigation guide system)을 이용한 치조정 접근 상악동 거상술(crestal approach sinus augmentation)을 제안하고 이러한 새로운 술식을 사용한 증례를 보고하고자 함이다. 연구 방법 : 상악동 거상술이 요구되는 임플란트 환자중 잔존골 4mm이상이며 치조정접근 상악동거상술이 필요한 환자 5명을 선정하였다. 이 환자들의 구강내 인상채득과 CBCT촬영을 하여 디지털 치료계획을 시행하였다. 이때 치조정 접근을 위한 디지털 치료계획도 시행하였으며 이를 이용하여 각 환자당 치조정접근 상악동 거상술용 가이드와 임플란트 식립용 가이드 총 2개의 가이드를 제작하였다. 결과 : 총 5명의 환자에서 치조정 접근 상악동 거상술 가이드를 이용하여 별다른 문제없이 안정적으로 8개의 임플란트를 식립하였다. 결론 : 네비게이션 가이드 시스템를 사용한 치조정 접근 상악동 거상술은 술전 디지털 치료계획을 통해 잔존골이 부족한 상악에서 안전하고 정확한 임플란트 식립을 가능하게 할 것이라 사료된다.
Abstract
Objective : The purpose of this study is to introduce a novel method for safe and precise crestal approach technique for sinus augmentation and implant placement using digital technology. The study further aims to verify effectiveness of the technique in implant placement and sinus augmentation. Materials and Methods : 5 patients who needed crestal approach sinus augmentation for implant placement were collected. There were more than 4mm residual bone in those patients. Intraoral image taking and CBCT taking were performed for digital planning. Digital planning was conducted for crestal approach sinus augmentation and implant placement. 2 navigation surgical guides(crestal/implant) were fabricated for each patient. Results : 10 implants were placed in the patients without specific problems by using crestal approach surgical guide and implant surgical guide. Conclusion : Crestal approach for maxillary sinus augmentation by using navigation surgical guide would be a reliable treatment option for successful implant placement in insufficient residual bone height of maxilla.
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