Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study

Objectives: The study’s aim was to assess and compare the values of the sagittal condylar angle (SCA), the Bennett angle (BA), and the immediate side shift (ISS) between fully dentate and partially dentate patients, male and female patients, and Saudi and non-Saudi patients. The study also aimed to...

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Main Authors: Soha Alratroot, Shahd Khan, Nora Alkaltham, Intisar Ahmad Siddiqui, Ahmad M. Al-Thobity
Format: Article
Language:English
Published: Springer 2022-07-01
Series:Saudi Dental Journal
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Online Access:http://www.sciencedirect.com/science/article/pii/S1013905222000426
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author Soha Alratroot
Shahd Khan
Nora Alkaltham
Intisar Ahmad Siddiqui
Ahmad M. Al-Thobity
author_facet Soha Alratroot
Shahd Khan
Nora Alkaltham
Intisar Ahmad Siddiqui
Ahmad M. Al-Thobity
author_sort Soha Alratroot
collection DOAJ
description Objectives: The study’s aim was to assess and compare the values of the sagittal condylar angle (SCA), the Bennett angle (BA), and the immediate side shift (ISS) between fully dentate and partially dentate patients, male and female patients, and Saudi and non-Saudi patients. The study also aimed to statistically analyze the correlation of the different condylar movements with tooth loss and tooth wear. Materials and Methods: Using the electronic pantograph (Cadiax Compact II), the SCA, BA, and ISS were recorded at a 10-mm condylotrack distance in dentate and partially dentate patients, from both genders, older than 20 years, medically stable, and with normal temporomandibular joint movements and normal activity of masticatory muscles. The recorded average values were compared between the groups using an unpaired t-test. Results: The average condylar movements between dentate (n = 57) and partially dentate (n = 39) groups revealed no significant differences concerning right SCA, left SCA, right BA, right ISS, and left ISS. However, the left BA showed significant differences (P = 0.011) in the dentate compared with the partially dentate group. Gender (male: n = 24, female: n = 72) showed no statistical significance between groups when measuring SCA, BA, or ISS. When comparing Saudi (n = 78) with non-Saudi patients (n = 18), it was found that the mean right SCA was significantly higher in Saudi than in non-Saudi patients (P = 0.024). Condylar inclination values in relation to tooth wear showed no statistical significance (P > 0.05), except left ISS, which was significantly higher among those who had tooth wear (P = 0.040). Conclusion: Tooth loss had a major impact on the left BA, while patients with tooth wear had a significantly increased ISS on the left side.
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spelling doaj-art-49d34cf3fb374a8c8b7364403e8e697c2025-08-20T01:56:29ZengSpringerSaudi Dental Journal1013-90522022-07-0134536937410.1016/j.sdentj.2022.03.004Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional studySoha Alratroot0Shahd Khan1Nora Alkaltham2Intisar Ahmad Siddiqui3Ahmad M. Al-Thobity4Intern, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia; Corresponding author.Intern, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Dental Education, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaDepartment of Substitutive Dental Sciences, College of Dentistry, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi ArabiaObjectives: The study’s aim was to assess and compare the values of the sagittal condylar angle (SCA), the Bennett angle (BA), and the immediate side shift (ISS) between fully dentate and partially dentate patients, male and female patients, and Saudi and non-Saudi patients. The study also aimed to statistically analyze the correlation of the different condylar movements with tooth loss and tooth wear. Materials and Methods: Using the electronic pantograph (Cadiax Compact II), the SCA, BA, and ISS were recorded at a 10-mm condylotrack distance in dentate and partially dentate patients, from both genders, older than 20 years, medically stable, and with normal temporomandibular joint movements and normal activity of masticatory muscles. The recorded average values were compared between the groups using an unpaired t-test. Results: The average condylar movements between dentate (n = 57) and partially dentate (n = 39) groups revealed no significant differences concerning right SCA, left SCA, right BA, right ISS, and left ISS. However, the left BA showed significant differences (P = 0.011) in the dentate compared with the partially dentate group. Gender (male: n = 24, female: n = 72) showed no statistical significance between groups when measuring SCA, BA, or ISS. When comparing Saudi (n = 78) with non-Saudi patients (n = 18), it was found that the mean right SCA was significantly higher in Saudi than in non-Saudi patients (P = 0.024). Condylar inclination values in relation to tooth wear showed no statistical significance (P > 0.05), except left ISS, which was significantly higher among those who had tooth wear (P = 0.040). Conclusion: Tooth loss had a major impact on the left BA, while patients with tooth wear had a significantly increased ISS on the left side.http://www.sciencedirect.com/science/article/pii/S1013905222000426Condylar movementsElectronic pantographSagittal condylar angleBennett angleImmediate side shift
spellingShingle Soha Alratroot
Shahd Khan
Nora Alkaltham
Intisar Ahmad Siddiqui
Ahmad M. Al-Thobity
Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
Saudi Dental Journal
Condylar movements
Electronic pantograph
Sagittal condylar angle
Bennett angle
Immediate side shift
title Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
title_full Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
title_fullStr Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
title_full_unstemmed Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
title_short Influence of demographic characteristics, tooth loss, and tooth wear on condylar movements: Cross-sectional study
title_sort influence of demographic characteristics tooth loss and tooth wear on condylar movements cross sectional study
topic Condylar movements
Electronic pantograph
Sagittal condylar angle
Bennett angle
Immediate side shift
url http://www.sciencedirect.com/science/article/pii/S1013905222000426
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AT shahdkhan influenceofdemographiccharacteristicstoothlossandtoothwearoncondylarmovementscrosssectionalstudy
AT noraalkaltham influenceofdemographiccharacteristicstoothlossandtoothwearoncondylarmovementscrosssectionalstudy
AT intisarahmadsiddiqui influenceofdemographiccharacteristicstoothlossandtoothwearoncondylarmovementscrosssectionalstudy
AT ahmadmalthobity influenceofdemographiccharacteristicstoothlossandtoothwearoncondylarmovementscrosssectionalstudy