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International Journal of Implant Dentistry

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Open Access 01-12-2017 | Research

Dental implants and grafting success remain high despite large variations in maxillary sinus mucosal thickening

Authors: Bartosz Maska, Guo-Hao Lin, Abdullah Othman, Shabnam Behdin, Suncica Travan, Erika Benavides, Yvonne Kapila

Published in: International Journal of Implant Dentistry | Issue 1/2017

Abstract

Background

Although mucosal thickening is the most common radiographic finding observed regarding sinus pathology, the knowledge regarding its clinical significance on the outcomes of dental implants and grafting in the maxillary sinuses is still limited. We hypothesized that mucosal thickening would not alter the predictability for sinus floor augmentation and dental implant placement. The purpose of this retrospective study was to evaluate the outcomes of dental implant placement in sinus-augmented areas with preexisting sinus mucosal thickening.

Methods

This study involved the review of cone-beam computed tomographic (CBCT) scans taken on patients that underwent both maxillary sinus elevation with grafting and implant placement at the University of Michigan School of Dentistry from 2004 to 2014. Cases with documented radiographic and clinical follow-up were included. The data analyses revealed the following.

Results

A total of 29 CBCT scans met the inclusion criteria for evaluation, and 93.1% of them had maxillary sinus mucosal/tissue thickening. Specifically, 6.9% of cases exhibited no thickening, 6.9% had minimal thickening (1–2 mm), 20.7% of cases had moderate thickening (2–5 mm), and 65.5% had severe thickening (>5 mm). We propose these categorical measurements of tissue thickening as a new “mucosal thickening index.” The tissue thickening did not vary based on gender, age, or smoking status, nor did it relate to the underlying alveolar ridge height. However, patients with a history of periodontal diseases demonstrated a significant association with mucosal thickening (p = 0.0043). These data indicate that there is high implant and grafting success rate (100%) in the maxillary sinus despite large and varied physiologic sinus mucosal/tissue thickening.

Conclusions

Based on study findings, this research will help guide dental practitioners regarding cases that exhibit mucosal thickening. These data support the concept that physiologic mucosal thickening in varied ranges is not associated with implant or grafting failure in the maxillary sinus.

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Title: Dental implants and grafting success remain high despite large variations in maxillary sinus mucosal thickening
Authors: Bartosz Maska
Guo-Hao Lin
Abdullah Othman
Shabnam Behdin
Suncica Travan
Erika Benavides
Yvonne Kapila
Publication date: 01-12-2017
Publisher: Springer Berlin Heidelberg
Published in: International Journal of Implant Dentistry / Issue 1/2017
Electronic ISSN: 2198-4034
DOI: https://doi.org/10.1186/s40729-017-0064-8

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Dental implants and grafting success remain high despite large variations in maxillary sinus mucosal thickening

Abstract

Background

Methods

Results

Conclusions

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Background

Methods

Results

Conclusions

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