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Fig. 3 | BMC Oral Health

Fig. 3

From: Influence of the contact area of the sub-antral space with sinus bone and the Schneiderian membrane on osteogenesis in lateral window sinus elevation surgery: a prospective experiment

Fig. 3

Contact area analysis using Mimics. A Sub-antral space was divided into two parts according to its contact relationship with maxillary sinus bone wall and the Schneiderian membrane, (a) the Schneiderian membrane, the red line marks its lower boundary, (b) maxillary sinus bone. B The sub-antral space that in contact with the Schneiderian membrane (c). C the sub-antral space that in contact with maxillary sinus bone (d)

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BMC Oral Health

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