Document Type
Article
Language
eng
Publication Date
4-2008
Publisher
Elsevier
Source Publication
Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology
Source ISSN
2212-4403
Abstract
Objective
The aim of this study was to analyze histologic and histomorphometric features of the articular disc in groups with and without disc displacement.
Study design
A sample of 39 temporomandibular joints TMJs (31 case specimens, 8 control specimens) from 28 patients (mean age 31.2 years) were recruited for this study. The patients were considered to be affected and treated surgically with disc repositioning when presenting painful clinical signs of disc displacement after unsuccessful nonsurgical treatment for at least 6 months. Of the control patients, 4 presented condyle fracture which required opening to be reduced for treatment, and 4 displayed active condyle hyperplasia. The posterior region of the disc was removed and sent for histologic and histomorphometric analysis. Histologic (hematoxylin-eosin) and histomorphometric (picro-Sirius red) analyses were performed. Statistically significant differences between the analyzed groups were accessed through the chi-squared test (P ≤ .05). The Mann-Whitney U test was used to observe the differences between mean values when variables did not present normal distribution [Kolmogorov-Smirnov(a) test].
Results
There were no significant differences between the groups in relation to the parameters studied by histologic and histomorphometric analysis (using or not using polarization).
Conclusions
To the limits of this study, there were no significant histologic and histomorphometric differences in the articular disc between groups with and without TMJ dysfunction.
Recommended Citation
Almeida, Luis Eduardo; Baioni, Carla S.; Martins, Ana Paula C.; Line, Sergio Roberto P.; Noronha, Lucia; Trevilatto, Paula C.; de Lima, Antonio Adilson S.; Filho, Marco Antonio de Oliveira; and Ignacio, Sergio Aparecido, "Histologic and Histomorphometric Analysis of Posterior Region of the Human Temporomandibular Disc" (2008). School of Dentistry Faculty Research and Publications. 333.
https://epublications.marquette.edu/dentistry_fac/333
Comments
Accepted version. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontology, Vol. 105, No. 4 (April 2008): e6-e11. DOI © 2008 Mosby, Inc. Used with permission.
Luis Eduardo Almeida was affiliated with Department of Oral and Maxillofacial Surgery, Hospital Evalgelico e Curitiba, Curitiba, Brazil at the time of publication.