Influence of maxillary sinus anatomical characteristics on the operation of internal sinus floor elevation
Maxillary sinus floor elevation is one of the main methods to increase the vertical bone volume for implants in the maxillary posterior region.According to the surgical approach,it can be divided into two surgical procedures:external sinus floor elevation and internal sinus floor elevation.The latter has the advantages of safety,minimally invasiveness,and economy compared with the former.The anatomical morphology of the maxillary sinus is one of the important factors affecting the operation of maxillary sinus floor elevation.This article reviews and analyzes the main anatomical factors such as the morphology of the maxillary sinus floor,the residual bone height,the maxillary sinus septum,and the Schneiderian membrane,in order to help the application of internal sinus floor elevation in clinical work.
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