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International Journal of Implant Dentistry
Fig. 2 | International Journal of Implant Dentistry

Fig. 2

From: Long-term radiographic assessment of maxillary sinus floor augmentation using beta-tricalcium phosphate: analysis by cone-beam computed tomography

Fig. 2

Radiographic examination of the volume of the bone graft (BV): Calculation of area on the frontal plane prior to and immediately after surgery using polygon tool. The polygon tool is included in the CT device, which was dragged around the perimeter of the target site to measure area. Graft volume calculation method (sum of the area and calculation of volume). Volume cm3 = area cm2 × n (number of images)

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