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Fig. 4 | BMC Oral Health

Fig. 4

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. 4

Contact relationship between sub-antral space and surrounding tissue. Smc: the contact area of sub-antral space with schneiderian membrane. Sr: the surface area of the removed lateral bone wall. Sbc: the contact area of sub-antral space with maxillary sinus bone. Sj: the surface area of an imaginary plane, which divides the sub-antral space into upper and lower parts, the upper part contacts the Schneiderian membrane, while the lower part contacts the sinus bone

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BMC Oral Health

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