Research Progress of Maxillary Sinus Cyst and Maxillary Posterior Dental Region Implantation

The loss of single or multiple teeth in the maxillary posterior region usually leads to alveolar bone resorption, atrophy, and maxillary sinus cavity gasification, resulting in insufficient vertical bone height of the maxillary posterior alveolar bone, which brings great difficulties to tooth implantation. Maxillary sinus floor lifting is an important method to solve the posterior maxillary bone mass deficiency, which can be divided into internal lifting and external lifting. In order to avoid the occurrence of complications such as maxillary sinus mucosa perforation and facilitate the selection of surgical methods, it is particularly important to accurately understand the anatomical characteristics of maxillary sinus before surgery. Maxillary sinus cyst is the most common benign disease of maxillary sinus. It has always been considered as an absolute contraindication for maxillary sinus floor elevation bone grafting, which seriously restricts the possibility of maxillary sinus bone increment. This article reviews the research progress of maxillary sinus cyst and maxillary posterior dental implantation at home and abroad.