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International Journal of Implant Dentistry
Fig. 4 | International Journal of Implant Dentistry

Fig. 4

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. 4

Illustrations of the modified internal sinus elevation procedure. (A) A Summer bone chisel was used to softly tap the alveolar crest, and this bone block was used as the roof of the area of elevated maxillary sinus floor. (B) Separation of the maxillary sinus floor membrane from the alveolar crest using a mucoperiosteal stripper. (C) Implant placement

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