Journal of Dental Rehabilitation and Applied Science (구강회복응용과학지)

Korean Academy of Stomatognathic Function and Occlusion (대한턱관절교합학회)
권호 표지

Morphological Analysis of the Sinus Lateral Wall Using Cone-Beam Computed Tomography

콘빔형 전산화단층영상을 이용한 상악동 측벽의 형태학적 분석

  • An, Seo-Young (Department of Oral and Maxillofacial Radiology, School of Dentistry, Kyungpook National University) ;
  • Kim, Yong-Gun (Department of Periodontology, School of Dentistry, Kyungpook National University)
  • 안서영 (경북대학교 치의학전문대학원 구강악안면방사선학교실) ;
  • 김용건 (경북대학교 치의학전문대학원 치주과학교실)
  • Received : 2012.09.10
  • Accepted : 2012.12.25
  • Published : 2012.12.30
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Abstract

The purpose of this study was to measure the thickness of the sinus lateral wall using cone-beam computed tomography (CBCT), and to find the most suitable vertical position for lateral window opening prior to sinus elevation. Fifty three patients requiring sinus elevation had CBCT scans acquired by CB MercuRay (Hitachi, Medico, Tokyo, Japan) from July, 2010 to June, 2012. The thickness of the sinus lateral wall was measured according to its vertical position against the sinus inferior border (SIB), and its mean was calculated through two repeated measurements. The thickness of the sinus lateral wall was more than 2 mm at 2 mm above the sinus inferior border (SIB+2), however, it was less than 2 mm at 3 mm above the sinus inferior border (SIB+3). In conclusion, it is recommended that the inferior border of lateral wall window be made 3 mm above the sinus inferior border during sinus elevation using the lateral approach considering the thickness of the sinus lateral wall.

이번 연구의 목적은 콘빔형 전산화단층촬영술(cone-beam computed tomography)을 이용하여 상악동 측벽의 두께를 측정하고, 이를 바탕으로 상악동 거상술을 위한 측벽창(lateral wall window)형성 시 가장 적절한 수직적 위치를 평가하는 것이다. 2010년 7월부터 2012년 6월까지 경북대학교 치과병원에 내원한 53명(남 : 36명, 여 : 17명, 평균나이 : 51.5세)의 상악동거상술 예정 환자의 콘빔형 전산화단층영상을 대상으로 하였다. 상악동 측벽의 두께는 상악 제2소구치, 제1대구치, 제2대구치 부위에서 상악동 하연을 포함하여 상악동 하연을 기준으로 수직적으로 1 mm 간격으로 6 mm 까지 측정하였고, 2회 반복 측정하여 평균을 구하였다. 상악동 측벽의 두께는 상악동 하연(Sinus Inferior Border, SIB)을 기준으로 상방 2 mm (SIB+2)까지는 2 mm 이상으로 관찰되었고, 상악동의 하연을 기준으로 3 mm 상방 (SIB+3)에서는 2 mm 미만으로 나타났으며, 상악동 하연을 기준으로 4 mm 상방에서는 두께가 거의 일정한 것으로 나타났다. 이번 연구 결과를 바탕으로 측방 접근법을 이용한 상악동 거상술에서 측벽창의 하방 위치는 상악동 측벽의 두께를 고려할 때 상악동의 하연을 기준으로 약 3 mm 상방에서 형성하는 것이 적절할 것으로 생각된다.

Keywords

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