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

콘빔형 전산화단층영상을 이용한 상악동 측벽의 형태학적 분석

  • Received : 2012.09.10
  • Accepted : 2012.12.25
  • Published : 2012.12.30

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.

Keywords

Cone-Beam Computed Tomography;Maxillary Sinus;Lateral Wall Thickness

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Acknowledgement

Supported by : 경북대학교