Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion
Background and Aim: Malocclusion refers to misalignment or incorrect relation between the teeth and its frequency increases with age. Knowledge about normal occlusion can help determine the degree of deviation from the normal position. This study aimed to find a relationship between condylar angles...
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Format: | Article |
Language: | English |
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Islamic Dental Association of Iran
2014-10-01
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Series: | Journal of Islamic Dental Association of Iran |
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Online Access: | http://jidai.ir/browse.php?a_code=A-10-1-797&slc_lang=en&sid=1 |
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author | Mehrdad Panjnoosh Allahyar Gerami Narjes Hoshyari |
author_facet | Mehrdad Panjnoosh Allahyar Gerami Narjes Hoshyari |
author_sort | Mehrdad Panjnoosh |
collection | DOAJ |
description | Background and Aim: Malocclusion refers to misalignment or incorrect relation between the teeth and its frequency increases with age. Knowledge about normal occlusion can help determine the degree of deviation from the normal position. This study aimed to find a relationship between condylar angles and type of malocclusion.
Materials and Methods: This cross-sectional study was conducted on 81 patients aged 15-25 years randomly selected from those presenting to the Orthodontics Department of School of Dentistry, Tehran University of Medical Sciences from 2001 to 2008. Subjects with craniofacial syndromes, congenital rheumatic diseases, thyroid problems and those taking hormonal medications were excluded from the study. Lateral cephalograms of pa-tients were obtained and type of malocclusion was determined using Wits analysis and measurement of ANB angle. The angle between the condylar head, condylar neck and articular eminence slope and the angle between the bisector of the afore-mentioned angle and the articular slope were measured on the cephalograms. Data were analyzed using Spearman’s correlation test, paired t-test and two-way ANOVA.
Results: The correlation between the right and left angles was 0.459 in patients with class I malocclusion (p=0), 0.276 in patients with class II malocclusion (p=0.011) and 0.334 in patients with class III malocclusion (p=0.02). There were no significant associations be-tween these measurements and age, gender or type of malocclusion. The interaction effect of the two independent variables was not statistically significant either.
Conclusion: This study showed that there was no correlation between the type of maloc-clusion and the angle between the articular eminence slope and the horizontal line, the angle between the condylar head and condylar neck or the angle between the bisector of the aforementioned angle and the articular slope. |
first_indexed | 2024-04-13T05:12:27Z |
format | Article |
id | doaj.art-fc9eaecd068542eba3285adac9529ff7 |
institution | Directory Open Access Journal |
issn | 2383-3041 2383-3041 |
language | English |
last_indexed | 2024-04-13T05:12:27Z |
publishDate | 2014-10-01 |
publisher | Islamic Dental Association of Iran |
record_format | Article |
series | Journal of Islamic Dental Association of Iran |
spelling | doaj.art-fc9eaecd068542eba3285adac9529ff72022-12-22T03:01:00ZengIslamic Dental Association of IranJournal of Islamic Dental Association of Iran2383-30412383-30412014-10-01264225229Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with MalocclusionMehrdad Panjnoosh0Allahyar Gerami1Narjes Hoshyari2 Associate Professor, Department of Oral Radiology, School of Dentistry, Tehran University of Medical Sciences. Tehran, Iran Associate Professor, Department of Ortodontics, School of Dentistry, Tehran University of Medical Sciences. Tehran, Iran Assistant Professor, Department of Endodontics, School of Dentistry, Mazandaran University of Medical Sciences. Mazandaran, Iran Background and Aim: Malocclusion refers to misalignment or incorrect relation between the teeth and its frequency increases with age. Knowledge about normal occlusion can help determine the degree of deviation from the normal position. This study aimed to find a relationship between condylar angles and type of malocclusion. Materials and Methods: This cross-sectional study was conducted on 81 patients aged 15-25 years randomly selected from those presenting to the Orthodontics Department of School of Dentistry, Tehran University of Medical Sciences from 2001 to 2008. Subjects with craniofacial syndromes, congenital rheumatic diseases, thyroid problems and those taking hormonal medications were excluded from the study. Lateral cephalograms of pa-tients were obtained and type of malocclusion was determined using Wits analysis and measurement of ANB angle. The angle between the condylar head, condylar neck and articular eminence slope and the angle between the bisector of the afore-mentioned angle and the articular slope were measured on the cephalograms. Data were analyzed using Spearman’s correlation test, paired t-test and two-way ANOVA. Results: The correlation between the right and left angles was 0.459 in patients with class I malocclusion (p=0), 0.276 in patients with class II malocclusion (p=0.011) and 0.334 in patients with class III malocclusion (p=0.02). There were no significant associations be-tween these measurements and age, gender or type of malocclusion. The interaction effect of the two independent variables was not statistically significant either. Conclusion: This study showed that there was no correlation between the type of maloc-clusion and the angle between the articular eminence slope and the horizontal line, the angle between the condylar head and condylar neck or the angle between the bisector of the aforementioned angle and the articular slope.http://jidai.ir/browse.php?a_code=A-10-1-797&slc_lang=en&sid=1MalocclusionTemporomandibular jointMorphologyGlenoid fossa |
spellingShingle | Mehrdad Panjnoosh Allahyar Gerami Narjes Hoshyari Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion Journal of Islamic Dental Association of Iran Malocclusion Temporomandibular joint Morphology Glenoid fossa |
title | Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion |
title_full | Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion |
title_fullStr | Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion |
title_full_unstemmed | Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion |
title_short | Radiographic Evaluation of Condylar Angle and Glenoid Fossa and Their Correlation with Malocclusion |
title_sort | radiographic evaluation of condylar angle and glenoid fossa and their correlation with malocclusion |
topic | Malocclusion Temporomandibular joint Morphology Glenoid fossa |
url | http://jidai.ir/browse.php?a_code=A-10-1-797&slc_lang=en&sid=1 |
work_keys_str_mv | AT mehrdadpanjnoosh radiographicevaluationofcondylarangleandglenoidfossaandtheircorrelationwithmalocclusion AT allahyargerami radiographicevaluationofcondylarangleandglenoidfossaandtheircorrelationwithmalocclusion AT narjeshoshyari radiographicevaluationofcondylarangleandglenoidfossaandtheircorrelationwithmalocclusion |