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Fig. 3 | BMC Oral Health

Fig. 3

From: A graftless maxillary sinus lifting approach with simultaneous dental implant placement: a prospective clinical study

Fig. 3

Postoperative measurement at one year after maxillary sinus lifting and implant insertion; vertical sinus floor elevation with implant (A); the distance between the initial sinus floor and the elevated sinus floor. Newly formed bone within the sinus cavity (B); the newly formed bone within the distance between the initial sinus floor and the elevated sinus floor. The total bone height after the sinus lifting (B + C); the sum of C and B. Implant protrusion (D); calculated as subtraction of implant length and C

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