Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners
Abstract Objective This study aimed to evaluate the positional and morphological changes in the temporomandibular joint (TMJ) in adult patients with skeletal Class I malocclusion treated with fixed orthodontic appliances (FAs) and clear aligners (CAs), both with and without premolar extractions. Met...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-01-01
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| Series: | Progress in Orthodontics |
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| Online Access: | https://doi.org/10.1186/s40510-024-00551-1 |
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| author | Majedh Abdo Ali Al-Somairi Bowen Zheng Xaiofeng Yang Yongxin Zhang Maged S. Alhammadi Hao xu Najah Alhashimi Bushra Sufyan Almaqrami Naseem Ali Al –Worafi Enas Senan Alyafrusee Barakat Al-Tayar Yi Liu |
| author_facet | Majedh Abdo Ali Al-Somairi Bowen Zheng Xaiofeng Yang Yongxin Zhang Maged S. Alhammadi Hao xu Najah Alhashimi Bushra Sufyan Almaqrami Naseem Ali Al –Worafi Enas Senan Alyafrusee Barakat Al-Tayar Yi Liu |
| author_sort | Majedh Abdo Ali Al-Somairi |
| collection | DOAJ |
| description | Abstract Objective This study aimed to evaluate the positional and morphological changes in the temporomandibular joint (TMJ) in adult patients with skeletal Class I malocclusion treated with fixed orthodontic appliances (FAs) and clear aligners (CAs), both with and without premolar extractions. Methods This retrospective study involved 120 adult patients divided into non-extraction and extraction groups, each further subdivided equally into those treated with FAs and CAs. Cone beam computed tomography (CBCT) was used to assess the TMJ measurements before (T0) and after treatment (T1). Statistical analyses were conducted to compare the mean changes in intra- and inter-groups. A significance level of p ≤ 0.05 was considered. Results In the non-extraction group, specifically in FAs, significant increases were observed in TMJ parameters; anteroposterior condylar position (APCP) and mediolateral condylar inclination (MCI). Conversely, significant decreases were noted in vertical condylar position (VCP) and vertical condylar inclination (VCI). In the extraction group, significant increases were noted in APCP and anterior joint space (AJS), while posterior joint space (PJS) and anteroposterior condylar joint position (APCJP) decreased. For inter-group comparisons, the extraction group showed significant increases in APCP in FAs compared to CAs, and a significant decrease in APCJP in FAs compared to CAs. Conclusion FAs significantly impact condylar positions and joint spaces, especially in extraction cases. Monitoring TMJ parameters during orthodontic treatment is crucial to ensure positive outcomes and prevent TMJ disorders (TMDs). These findings may guide the selection of orthodontic appliances based on individual malocclusion characteristics. |
| format | Article |
| id | doaj-art-40b839fe53514b33b2b4ec97940fff8a |
| institution | Kabale University |
| issn | 2196-1042 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Progress in Orthodontics |
| spelling | doaj-art-40b839fe53514b33b2b4ec97940fff8a2025-01-26T12:54:36ZengSpringerOpenProgress in Orthodontics2196-10422025-01-0126111310.1186/s40510-024-00551-1Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear alignersMajedh Abdo Ali Al-Somairi0Bowen Zheng1Xaiofeng Yang2Yongxin Zhang3Maged S. Alhammadi4Hao xu5Najah Alhashimi6Bushra Sufyan Almaqrami7Naseem Ali Al –Worafi8Enas Senan Alyafrusee9Barakat Al-Tayar10Yi Liu11Department of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Preventive Dental Sciences, College of Dentistry, Jazan UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityUnit and Division Chief Orthodontics at Hamad Medical Corporation, and associate professor, College of Dental Medicine, Qatar UniversityOrthodontics Division, Faculty of Medicine and Health Sciences, Taiz UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityDepartment of Orthodontics, School and Hospital of Stomatology, China Medical UniversityAbstract Objective This study aimed to evaluate the positional and morphological changes in the temporomandibular joint (TMJ) in adult patients with skeletal Class I malocclusion treated with fixed orthodontic appliances (FAs) and clear aligners (CAs), both with and without premolar extractions. Methods This retrospective study involved 120 adult patients divided into non-extraction and extraction groups, each further subdivided equally into those treated with FAs and CAs. Cone beam computed tomography (CBCT) was used to assess the TMJ measurements before (T0) and after treatment (T1). Statistical analyses were conducted to compare the mean changes in intra- and inter-groups. A significance level of p ≤ 0.05 was considered. Results In the non-extraction group, specifically in FAs, significant increases were observed in TMJ parameters; anteroposterior condylar position (APCP) and mediolateral condylar inclination (MCI). Conversely, significant decreases were noted in vertical condylar position (VCP) and vertical condylar inclination (VCI). In the extraction group, significant increases were noted in APCP and anterior joint space (AJS), while posterior joint space (PJS) and anteroposterior condylar joint position (APCJP) decreased. For inter-group comparisons, the extraction group showed significant increases in APCP in FAs compared to CAs, and a significant decrease in APCJP in FAs compared to CAs. Conclusion FAs significantly impact condylar positions and joint spaces, especially in extraction cases. Monitoring TMJ parameters during orthodontic treatment is crucial to ensure positive outcomes and prevent TMJ disorders (TMDs). These findings may guide the selection of orthodontic appliances based on individual malocclusion characteristics.https://doi.org/10.1186/s40510-024-00551-1Temporomandibular jointCone beam computed tomographyFixed appliancesClear alignersExtractionNon-extraction |
| spellingShingle | Majedh Abdo Ali Al-Somairi Bowen Zheng Xaiofeng Yang Yongxin Zhang Maged S. Alhammadi Hao xu Najah Alhashimi Bushra Sufyan Almaqrami Naseem Ali Al –Worafi Enas Senan Alyafrusee Barakat Al-Tayar Yi Liu Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners Progress in Orthodontics Temporomandibular joint Cone beam computed tomography Fixed appliances Clear aligners Extraction Non-extraction |
| title | Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners |
| title_full | Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners |
| title_fullStr | Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners |
| title_full_unstemmed | Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners |
| title_short | Three-dimensional quantitative temporomandibular joint changes in skeletal class I malocclusion treated with extraction and non-extraction protocols: a comparative study of fixed orthodontic appliances and clear aligners |
| title_sort | three dimensional quantitative temporomandibular joint changes in skeletal class i malocclusion treated with extraction and non extraction protocols a comparative study of fixed orthodontic appliances and clear aligners |
| topic | Temporomandibular joint Cone beam computed tomography Fixed appliances Clear aligners Extraction Non-extraction |
| url | https://doi.org/10.1186/s40510-024-00551-1 |
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