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Type: Artigo de periódico
Title: Prevalence and characteristics of pneumatization of the temporal bone evaluated by cone beam computed tomography
Author: Ladeira, DBS
Barbosa, GLR
Nascimento, MCC
Cruz, AD
Freitas, DQ
Almeida, SM
Abstract: The aim of this study was to determine the prevalence and characteristics of pneumatization of the glenoid fossa and articular eminence by means of cone beam computed tomography (CBCT) images. CBCT images of 658 patients (1316 joints) were evaluated to determine pneumatization in the articular eminence (PAT) and roof of the glenoid fossa (PGF). Age and gender were recorded for all patients and, for the cases of pneumatization, laterality and type (unilocular or multilocular) were noted. Its prevalence was correlated with gender, age and laterality by statistical analyses. 21.3% of individuals presented with PAT and 38.3% presented with PGF. Considering the temporomandibular joint, PAT was in 15.5% and PGF in 30.2%. Of PAT cases, 54.3% were unilateral and 45.7% bilateral; 3.4% were unilocular and 96.6% were multilocular. In the PGF cases, 42.5% were unilateral and 57.5% bilateral; 0.02% was unilocular and 99.8% were multilocular. There was no statistical difference regarding gender and age; but there was statistical difference regarding laterality, with higher frequency on the left side. In conclusion, there was a significant prevalence of PAT and PGF in the studied population; their prevalence seems higher than has been previously supposed.
Subject: pneumatized articular eminence
temporal bone
temporomandibular joint
cone beam computed tomography
Country: Escócia
Editor: Churchill Livingstone
Rights: fechado
Identifier DOI: 10.1016/j.ijom.2012.12.001
Date Issue: 2013
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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