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International Journal of Implant Dentistry
Fig. 6 | International Journal of Implant Dentistry

Fig. 6

From: Biomechanical analysis of the maxillary sinus floor membrane during internal sinus floor elevation with implants at different angles of the maxillary sinus angles

Fig. 6

Surgical procedure for modified internal sinus elevation. (A) Preparation for surgery. (B) The alveolar crest is flat and slightly bluish. (C) Bone block serving as the roof of the area of elevated maxillary sinus floor. (D) Separation of the maxillary sinus floor membrane from the alveolar crest using a mucoperiosteal stripper. (E) Implant placement implant (the bone condensing technique was used to obtain good initial stability). (F) Tight suturing after implantation. (G) CBCT before surgery. (H) CBCT immediately after surgery

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