Transcrestal sinus floor elevation with the presence of pseudocyst:A clinical study

VernacularTitle:保留上颌窦假性囊肿穿牙槽嵴顶入路上颌窦底提升的临床研究
Author: Shuai LI ; Bo CHEN
Publication Type:Journal Article
Keywords: Implant; Transcrestal approach; Sinus floor elevation; Pseudocyst
From: Journal of Practical Stomatology 2015;(1):44-47
CountryChina
Language:Chinese
Abstract: Objective:To evaluate the clinical outcome of transcrestal maxillary sinus floor elevation(TMSFE)in the presence of pseudocyst.Methods:14 cases with pseudocyst were treated by TMSFE.In the operation following osteotome,pseudocyst was not ex-cised and sinus floor membrane was elevated,15 implants were placed for the 14 cases.Definite prosthesis was delivered about 6 months after implant placement.CBCT examination was done before,immediately after and 1-year after surgery,the cyst condition, the gain of vertical bone height and implant stability over time were observed.Results:Pre-operation residual ridge height of the alveo-lar crest was (6.85 ±1.07)mm.The sinus membrane was successfully elevated in all sites without perforation (mean elevation height,6.93 ±2.07)mm.All 15 implants were ossteointegrated.At 1-year revisit the gained bone height was (12.76 ±2.03)mm. Cyst grew bigger in 3 cases,not changed in 3 cases,became smaller in 5 cases and disappeared in 3 cases.Conclusion:Pseudocyst excision is not necessary in TMSFE.