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Volume 13 , Issue 6
November/December 1998
Pages 811–818

Measurement of Maxillary Sinus Volume Using Computerized Tomographic Images

Yuki Uchida, DDS, PhD, Masaaki Goto, DDS, PhD.

PMID: 9857592

This study measured maxillary sinus volume as an aid in determining the volume of graft bone needed before grafting autogenous bone to the maxillary sinus floor. Maxillary sinus volumes were measured from computerized tomographic images of 38 sinuses using a 3-dimensional reconstruction system. When the sinus-lift procedure was simulated, volumes (mean ± SD) of the inferior portion of the sinuses were 4.02 ± 1.44 cm³ for 15-mm lifting and 6.19 ± 1.77 cm³ for 20-mm lifting. In bone grafting of the maxillary sinus floor, taking into consideration individual differences in maxillary sinus volume and resorption of the grafted bone, 5.46 cm³ or more were required for a 15-mm lift and 7.96 cm³ or more were required for a 20-mm lift. (INT J ORAL MAXILLOFAC IMPLANTS 1998;13:811–818) Key words: bone grafting, computerized tomographic image, maxillary sinus floor, maxillary sinus volume, simulation

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