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Association of Inflammatory Status and Maxillary Sinus Schneiderian Membrane Thickness

Angel Insua1, Alberto Monje1, Hsun-Liang Chan1

  • 1Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, 1011 North University Avenue, Ann Arbor, MI, 48109-1078, USA.

Clinical Oral Investigations
|March 29, 2017
PubMed
Abstract

Insights

Inflammation is moderately associated with Schneiderian membrane thickness (SMT). Thicker membrane areas showed higher inflammation scores, suggesting a link between inflammatory status and SMT in human cadavers.

Area of Science:

  • Anatomy
  • Histology
  • Pathology

Background:

  • Schneiderian membrane thickness (SMT) is a factor in its susceptibility to tearing.
  • Pathological conditions may influence SMT.

Purpose of the Study:

  • To investigate the correlation between inflammatory status and SMT.
  • To analyze SMT in human fresh cadaver heads.

Main Methods:

  • Histological analysis of 27 Schneiderian membrane specimens from 14 fresh cadaver heads.
  • Determination of a 10-item inflammatory score in thinner and thicker membrane areas.
  • Statistical analysis using Wilcoxon rank test and Spearman's rank correlation.

Main Results:

  • A weak, non-significant positive correlation between mean SMT and overall inflammation (r=0.385, p=0.115).
  • Statistically significant differences in SMT between thinner and thicker areas (p < 0.001).
  • Moderate, significant positive correlation between inflammation scores and SMT in both thinner and thicker areas (r=0.638, p=0.000).

Conclusions:

  • A moderate association exists between Schneiderian membrane thickness and the level of inflammation.
  • Inflammation appears to influence Schneiderian membrane thickness.
Keywords:
Alveolar ridge augmentationAnd maxillary sinus floor augmentationBoneDental implantsGrafting

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