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KMID : 1004520120280040349
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Journal of Dental Rehabilitation and Applied Science
2012 Volume.28 No. 4 p.349 ~ p.357
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Morphological Analysis of the Sinus Lateral Wall Using Cone-Beam Computed Tomography
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An Seo-Young
Kim Yong-Gun
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Abstract
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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.
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KEYWORD
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Cone-Beam Computed Tomography, Maxillary Sinus, Lateral Wall Thickness
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