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Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases
BACKGROUND/PURPOSE: There is a paucity of comprehensive information about posterior open bite (POB) in patients with temporomandibular disorders (TMD) because of its rare prevalence. The purpose of this study was to investigate the etiologies, clinical characteristics, and treatment outcomes of pati...
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Formato: | Online Artículo Texto |
Lenguaje: | English |
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Association for Dental Sciences of the Republic of China
2021
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8189876/ https://www.ncbi.nlm.nih.gov/pubmed/34141100 http://dx.doi.org/10.1016/j.jds.2020.12.005 |
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author | Kang, Min-Goo Park, Yu-Jin Huh, Kyung-Hoe Kho, Hong-Seop |
author_facet | Kang, Min-Goo Park, Yu-Jin Huh, Kyung-Hoe Kho, Hong-Seop |
author_sort | Kang, Min-Goo |
collection | PubMed |
description | BACKGROUND/PURPOSE: There is a paucity of comprehensive information about posterior open bite (POB) in patients with temporomandibular disorders (TMD) because of its rare prevalence. The purpose of this study was to investigate the etiologies, clinical characteristics, and treatment outcomes of patients with TMD presenting POB. MATERIALS AND METHODS: This study includes a careful review of medical records and imaging findings of 12 patients with TMD (seven men and five women, 50.9 ± 19.2 years, 15–72 years) complaining of POB. RESULTS: In total, 11 had unilateral POB, whereas 1 had bilateral POB. In 11 patients, POB was caused by inflammatory disorders of temporomandibular joint (TMJ). In the remaining one patient, TMJ medial disc displacement (MDD) was responsible for POB. Of 11 patients with inflammatory conditions of TMJ, four patients had unilateral TMJ internal derangement (ID), two had bilateral TMJ ID, and one had rheumatism. POB was resolved in 10 of 11 patients with TMJ inflammation following the administration of non-steroidal anti-inflammatory drugs and self-management instructions. Prosthodontic treatment was needed in one patient to resolve POB. POB was resolved in the patient with TMJ MDD after stabilization splint therapy. CONCLUSION: POB in patients with TMD was mostly caused by inflammatory disorders of TMJ. TMJ MDD could also be a reason. Although almost all POB was resolved by conservative treatments including medications, the possibility of prosthodontic, orthodontic, or surgical treatments also must be considered. |
format | Online Article Text |
id | pubmed-8189876 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2021 |
publisher | Association for Dental Sciences of the Republic of China |
record_format | MEDLINE/PubMed |
spelling | pubmed-81898762021-06-16 Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases Kang, Min-Goo Park, Yu-Jin Huh, Kyung-Hoe Kho, Hong-Seop J Dent Sci Original Article BACKGROUND/PURPOSE: There is a paucity of comprehensive information about posterior open bite (POB) in patients with temporomandibular disorders (TMD) because of its rare prevalence. The purpose of this study was to investigate the etiologies, clinical characteristics, and treatment outcomes of patients with TMD presenting POB. MATERIALS AND METHODS: This study includes a careful review of medical records and imaging findings of 12 patients with TMD (seven men and five women, 50.9 ± 19.2 years, 15–72 years) complaining of POB. RESULTS: In total, 11 had unilateral POB, whereas 1 had bilateral POB. In 11 patients, POB was caused by inflammatory disorders of temporomandibular joint (TMJ). In the remaining one patient, TMJ medial disc displacement (MDD) was responsible for POB. Of 11 patients with inflammatory conditions of TMJ, four patients had unilateral TMJ internal derangement (ID), two had bilateral TMJ ID, and one had rheumatism. POB was resolved in 10 of 11 patients with TMJ inflammation following the administration of non-steroidal anti-inflammatory drugs and self-management instructions. Prosthodontic treatment was needed in one patient to resolve POB. POB was resolved in the patient with TMJ MDD after stabilization splint therapy. CONCLUSION: POB in patients with TMD was mostly caused by inflammatory disorders of TMJ. TMJ MDD could also be a reason. Although almost all POB was resolved by conservative treatments including medications, the possibility of prosthodontic, orthodontic, or surgical treatments also must be considered. Association for Dental Sciences of the Republic of China 2021-07 2021-01-06 /pmc/articles/PMC8189876/ /pubmed/34141100 http://dx.doi.org/10.1016/j.jds.2020.12.005 Text en © 2021 Association for Dental Sciences of the Republic of China. Publishing services by Elsevier B.V. https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Original Article Kang, Min-Goo Park, Yu-Jin Huh, Kyung-Hoe Kho, Hong-Seop Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title | Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title_full | Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title_fullStr | Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title_full_unstemmed | Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title_short | Clinical characteristics of temporomandibular disorders presenting posterior open bite – A report of 12 cases |
title_sort | clinical characteristics of temporomandibular disorders presenting posterior open bite – a report of 12 cases |
topic | Original Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8189876/ https://www.ncbi.nlm.nih.gov/pubmed/34141100 http://dx.doi.org/10.1016/j.jds.2020.12.005 |
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