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The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging

OBJECTIVES: The study aimed to determine the relationship between the mandibular asymmetry index according to Kjellberg between patients with painful unilateral anterior disc displacement (DD) and asymptomatic volunteers without disc displacement. Vertical measurements were performed on a panoramic...

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Autores principales: Badel, Tomislav, Vojnović, Stevo, Buković, Dino, Zadravec, Dijana, Anić Milošević, Sandra, Smoljan Basuga, Mia, Prenc, Matea, Savić Pavičin, Ivana
Formato: Online Artículo Texto
Lenguaje:English
Publicado: University of Zagreb School of Dental Medicine, and Croatian Dental Society - Croatian Medical Association 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10323934/
https://www.ncbi.nlm.nih.gov/pubmed/37427358
http://dx.doi.org/10.15644/asc57/2/7
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author Badel, Tomislav
Vojnović, Stevo
Buković, Dino
Zadravec, Dijana
Anić Milošević, Sandra
Smoljan Basuga, Mia
Prenc, Matea
Savić Pavičin, Ivana
author_facet Badel, Tomislav
Vojnović, Stevo
Buković, Dino
Zadravec, Dijana
Anić Milošević, Sandra
Smoljan Basuga, Mia
Prenc, Matea
Savić Pavičin, Ivana
author_sort Badel, Tomislav
collection PubMed
description OBJECTIVES: The study aimed to determine the relationship between the mandibular asymmetry index according to Kjellberg between patients with painful unilateral anterior disc displacement (DD) and asymptomatic volunteers without disc displacement. Vertical measurements were performed on a panoramic single-image radiograph, and the disc status was confirmed by magnetic resonance imaging (MRI). MATERIAL AND METHODS: Two groups of subjects were retrospectively selected, 40 patients (the overall mean age was 35.5 years; 75% female) with temporomandibular disorder symptoms confirmed by RDC/TMD axis I and manual functional analysis. Unilateral DD was determined by MRI. A comparative group of asymptomatic volunteers (20 dental students with a mean age of 23.4 years; 72% female) had the physiological position of the disc determined by MRI. The vertical asymmetry of the condyle was determined by the method of Kjellberg et al. The symmetry of the gonial angle of the mandible was also measured. RESULTS: A comparison of the mean of the asymmetry index between patients (average 90.89±7.08%) and asymptomatic volunteers (mean 95.86±4.44%) showed a statistically significant difference (p=0.0029). There was no difference (p=0.088) in gonial angle symmetry between the patients (mean 96.48±2.96°) and the asymptomatic volunteers (mean 97.52±2.31°). The distribution of the presence of individual DD diagnoses (partial and total displacement with reduction, displacement without reduction) in patients diagnosed with asymmetry of the mandible was without statistical significance (p>0.05). CONCLUSION: This study actually points to the asymmetry of the mandible as a potential morphological risk of anterior DD.
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spelling pubmed-103239342023-07-07 The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging Badel, Tomislav Vojnović, Stevo Buković, Dino Zadravec, Dijana Anić Milošević, Sandra Smoljan Basuga, Mia Prenc, Matea Savić Pavičin, Ivana Acta Stomatol Croat Original Scientific Papers OBJECTIVES: The study aimed to determine the relationship between the mandibular asymmetry index according to Kjellberg between patients with painful unilateral anterior disc displacement (DD) and asymptomatic volunteers without disc displacement. Vertical measurements were performed on a panoramic single-image radiograph, and the disc status was confirmed by magnetic resonance imaging (MRI). MATERIAL AND METHODS: Two groups of subjects were retrospectively selected, 40 patients (the overall mean age was 35.5 years; 75% female) with temporomandibular disorder symptoms confirmed by RDC/TMD axis I and manual functional analysis. Unilateral DD was determined by MRI. A comparative group of asymptomatic volunteers (20 dental students with a mean age of 23.4 years; 72% female) had the physiological position of the disc determined by MRI. The vertical asymmetry of the condyle was determined by the method of Kjellberg et al. The symmetry of the gonial angle of the mandible was also measured. RESULTS: A comparison of the mean of the asymmetry index between patients (average 90.89±7.08%) and asymptomatic volunteers (mean 95.86±4.44%) showed a statistically significant difference (p=0.0029). There was no difference (p=0.088) in gonial angle symmetry between the patients (mean 96.48±2.96°) and the asymptomatic volunteers (mean 97.52±2.31°). The distribution of the presence of individual DD diagnoses (partial and total displacement with reduction, displacement without reduction) in patients diagnosed with asymmetry of the mandible was without statistical significance (p>0.05). CONCLUSION: This study actually points to the asymmetry of the mandible as a potential morphological risk of anterior DD. University of Zagreb School of Dental Medicine, and Croatian Dental Society - Croatian Medical Association 2023-06 /pmc/articles/PMC10323934/ /pubmed/37427358 http://dx.doi.org/10.15644/asc57/2/7 Text en University of Zagreb School of Dental Medicine https://creativecommons.org/licenses/by-nc-nd/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial No Derivatives (CC BY-NC-ND) 4.0 License.
spellingShingle Original Scientific Papers
Badel, Tomislav
Vojnović, Stevo
Buković, Dino
Zadravec, Dijana
Anić Milošević, Sandra
Smoljan Basuga, Mia
Prenc, Matea
Savić Pavičin, Ivana
The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title_full The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title_fullStr The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title_full_unstemmed The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title_short The Asymmetry of the Mandible in Patients with Unilateral Temporomandibular Joint Disc Displacement Confirmed by Magnetic Resonance Imaging
title_sort asymmetry of the mandible in patients with unilateral temporomandibular joint disc displacement confirmed by magnetic resonance imaging
topic Original Scientific Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10323934/
https://www.ncbi.nlm.nih.gov/pubmed/37427358
http://dx.doi.org/10.15644/asc57/2/7
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