상악동의 측벽에 측방접근 창(lateral window)를 형 성하는 상악동거상술은 상악골 구치부 임프란트 식립 시 수직 골량을 증가시켜주는 술식으로 보편화 되어 있고, 비교적 높은 성공률을 보이고 있다. 상악동의 측벽을 통하여 상악동의 점막을 거상시키는 다양한 외과적 술식이 제안되어 왔고, hinge 혹은 complete osteotomy technique 등이 소개되어져 있다. 상악동 거상술 시행시 상악동의 측벽 두께에 대한 정보가 외 과적 술식을 결정하는데 임상적으로 매우 유용할 수 있다.
Purpose : The most common complication during sinus graft surgery is perforation of schneiderian membrane, especially occur when forming the lateral window using surgical bur. To prevent perforation we can use a high price device such as the piezoelectric device. But when the lateral wall is thick, the operation takes longer time on the contrary. The purpose of this study was to investigate the lateral wall thickness of the maxillary sinus to prevent perforation of Schneiderian membrane and to choose proper device for forming the lateral window. Materals and Methods : Using dental computed tomography for sinus graft case in LivingWell Dental Hospital we measured the lateral wall thickness at the level of 3 mm from the sinus floor and 13 mm from the alveolar crest. Results : The average thickness was 1.6mm ± 0.7 at the level of 2 mm from the sinus floor was and 1.4mm ± 0.7 at the level of 13mm from the alveolar crest. But the measuring value shows large individual difference and their were no corelationship between the thickness of lateral wall and the width of maxillary sinus. Conclusion : From the results of this study we could offer the average thickness of the lateral wall. But it shows large individual deviation and we could not discover the anatomic indicator related the thickness of lateral wall. Therefore it is reqired to take computed tomography for evaluation of the maxillary sinus wall.
I. 서 론 II. 재료 및 방법 Ⅲ. 결과 Ⅳ. 고찰 Ⅴ. 결 론 REFERENCES
