Retrospective analysis of sinus membrane thickening: Profile, causal factors, and its influence on complications

Hyun Chang Lim, Ji Yeon Nam, Jae Kook Cha, Jung Seok Lee, Dong Woon Lee, Ui Won Jung, Seong Ho Choi

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)


Purpose: To retrospectively determine the profile of the sinus membrane (SM), potential factors affecting SM thickening (SMT), and the correlation between SMT and sinus augmentation (SA) complications. Materials and Methods: In the patients who received lateral SA, SMT was classified in sagittal sections of cone-beam computed tomography according to its thickness and morphology. The correlation between SMT and the following factors was analyzed: age, sex, endodontic and periodontic statuses of neighboring teeth, and shape of the sinus inferior border. The association between SMT and SA complications was investigated. Results: SMT of ≤2 mm was prevalent (60%). Irregular SM was mostly observed for SMT of >2 mm. There was no statistically significant association between SMT and the included factors. SMT did not significantly correlate with either perforation or postoperative complications. There was a statistically significant increase in implant failure when SMT was >2 mm, but it was hard to determine that the failure was solely affected by SMT. Conclusion: SMT was not influenced by the factors included in this study, and it might not be a risk factor for SA and implant failure.

Original languageEnglish
Pages (from-to)868-874
Number of pages7
JournalImplant dentistry
Issue number6
Publication statusPublished - 2017 Dec

Bibliographical note

Publisher Copyright:
Copyright © 2017 Wolters Kluwer Health, Inc. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Oral Surgery


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