Endoscope assists in sinus Lifting: A difficult case report / 实用口腔医学杂志

ABSTRACT

A femal patient with 16 loss and the residual bone height of 4 mm at posterior maxilla was treated by"two steps"sinus evaluation via transcrestal approach with the add of endoscope to enable the operation to be performed visibly. Platelet rich fibrin was used to insulate the osteotome and Schneiderian membrane to decrease the risk of membrane perforation, the dental abutment was simultaneously implanted, 3 months after operation uper part for 16 dental implant was restore.