Assessment of Vertical Pattern in Correlation With Third Molar Inclusion : A 3D CBCT Analysis
NCT ID: NCT06320665
Last Updated: 2025-03-28
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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RECRUITING
80 participants
OBSERVATIONAL
2024-12-01
2025-09-30
Brief Summary
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Patients will be analyzed according to their skeletal characteristics: skeletal class (sagittal direction) and facial skeletal typology (vertical direction).
The inclusion characteristics of third molars will also be analyzed, to see the links between typology and inclusion. The principal hypothesis is no significant difference in third molar inclusion patterns in relation to skeletal divergence.
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Detailed Description
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This study analyzes third molar inclusion patterns in relation with the skeletal characteristics, sagittal and vertical typology.
This is a comparative retrospective study of radiographs in three dimensions before any orthodontic treatment. The patients studied are at Bacchetti CS stage 5 (adults), and the third molar must be at least at Nolla stage 6 of formation.
There is no control group but there are subgroups depending of the skeletal characterics.
Conditions
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Study Design
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OTHER
RETROSPECTIVE
Study Groups
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Class I
Patient with class I occlusion, with at least one impacted third molar
Radiographic measurement
Measurements taken on 3D radiographs, to assess third molar inclusion and skeletal typology (vertical and sagittal)
Class II
Patients with class II malocclusion, with at least one impacted third molar
Radiographic measurement
Measurements taken on 3D radiographs, to assess third molar inclusion and skeletal typology (vertical and sagittal)
Class III
Patients with class III malocclusion, with at least one impacted third molar
Radiographic measurement
Measurements taken on 3D radiographs, to assess third molar inclusion and skeletal typology (vertical and sagittal)
Interventions
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Radiographic measurement
Measurements taken on 3D radiographs, to assess third molar inclusion and skeletal typology (vertical and sagittal)
Eligibility Criteria
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Inclusion Criteria
* at least one impacted third molar at minimum Nolla stage 6 development
Exclusion Criteria
* Growing patients
* Missing permanent tooth or early avulsion
* Dysplasia
* Dentofacial deformities
* Endocrinological pathologies with implications for maxillofacial growth
* Syndromes
* History of maxillofacial or orthognathic surgery
* History of orthodontic treatment
* Incomplete data
15 Years
ALL
Yes
Sponsors
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Central Hospital, Nancy, France
OTHER
Responsible Party
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VANDE VANNET Bart
Professor
Principal Investigators
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Bart VANDE VANNET, PhD
Role: STUDY_DIRECTOR
Central Hospital, Nancy, France
Locations
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Département d'Orthopédie dento-faciale
Nancy, , France
Countries
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Central Contacts
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Facility Contacts
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Bart Vande Vannet, professor
Role: backup
References
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Idris AM, Al-Mashraqi AA, Abidi NH, Vani NV, Elamin EI, Khubrani YH, Sh Alhazmi A, Alamir AH, Fageeh HN, Meshni AA, Mashyakhy MH, Makrami AM, Gareeb Alla Abdalla A, Jafer M. Third molar impaction in the Jazan Region: Evaluation of the prevalence and clinical presentation. Saudi Dent J. 2021 May;33(4):194-200. doi: 10.1016/j.sdentj.2020.02.004. Epub 2020 Mar 4.
Costa MG, Pazzini CA, Pantuzo MC, Jorge ML, Marques LS. Is there justification for prophylactic extraction of third molars? A systematic review. Braz Oral Res. 2013 Mar-Apr;27(2):183-8.
Hounsome J, Pilkington G, Mahon J, Boland A, Beale S, Kotas E, Renton T, Dickson R. Prophylactic removal of impacted mandibular third molars: a systematic review and economic evaluation. Health Technol Assess. 2020 Jun;24(30):1-116. doi: 10.3310/hta24300.
Tassoker M, Kok H, Sener S. Is There a Possible Association between Skeletal Face Types and Third Molar Impaction? A Retrospective Radiographic Study. Med Princ Pract. 2019;28(1):70-74. doi: 10.1159/000495005. Epub 2018 Oct 31.
Legovic M, Legovic I, Brumini G, Vandura I, Cabov T, Ovesnik M, Mestrovic S, Slaj M, Skrinjaric A. Correlation between the pattern of facial growth and the position of the mandibular third molar. J Oral Maxillofac Surg. 2008 Jun;66(6):1218-24. doi: 10.1016/j.joms.2007.12.013.
Aoun Y, Husseini B, Younes R, Ghosn N, Bouserhal J. Assessment of lower third molar space: A comparative radiographic study. Dentomaxillofac Radiol. 2022 Jul 1;51(5):20220049. doi: 10.1259/dmfr.20220049. Epub 2022 May 4.
Zamora N, Llamas JM, Cibrian R, Gandia JL, Paredes V. A study on the reproducibility of cephalometric landmarks when undertaking a three-dimensional (3D) cephalometric analysis. Med Oral Patol Oral Cir Bucal. 2012 Jul 1;17(4):e678-88. doi: 10.4317/medoral.17721.
Li C, Teixeira H, Tanna N, Zheng Z, Chen SHY, Zou M, Chung CH. The Reliability of Two- and Three-Dimensional Cephalometric Measurements: A CBCT Study. Diagnostics (Basel). 2021 Dec 7;11(12):2292. doi: 10.3390/diagnostics11122292.
Carter K, Worthington S. Predictors of Third Molar Impaction: A Systematic Review and Meta-analysis. J Dent Res. 2016 Mar;95(3):267-76. doi: 10.1177/0022034515615857. Epub 2015 Nov 11.
Bin Rubaia'an MA, Neyaz A, Talic F, Alkhamis A, Alghabban A, Assari A. The Association Between Skeletal Facial Types and Third Molars Impaction in a Saudi Arabian Subpopulation: A CBCT Study. Clin Cosmet Investig Dent. 2023 Aug 15;15:143-156. doi: 10.2147/CCIDE.S419325. eCollection 2023.
Baccetti T, Franchi L, McNamara JA Jr. An improved version of the cervical vertebral maturation (CVM) method for the assessment of mandibular growth. Angle Orthod. 2002 Aug;72(4):316-23. doi: 10.1043/0003-3219(2002)0722.0.CO;2.
Hagg U, Taranger J. Dental emergence stages and the pubertal growth spurt. Acta Odontol Scand. 1981;39(5):295-306. doi: 10.3109/00016358109162293.
Hasan KM, Sobhana CR, Rawat SK, Singh D, Mongia P, Fakhruddin A. Third molar impaction in different facial types and mandibular length: A cross-sectional study. Natl J Maxillofac Surg. 2021 Jan-Apr;12(1):83-87. doi: 10.4103/njms.NJMS_111_20. Epub 2021 Mar 16.
Mollaoglu N, Cetiner S, Gungor K. Patterns of third molar impaction in a group of volunteers in Turkey. Clin Oral Investig. 2002 Jun;6(2):109-13. doi: 10.1007/s00784-001-0144-1.
Jaron A, Trybek G. The Pattern of Mandibular Third Molar Impaction and Assessment of Surgery Difficulty: A Retrospective Study of Radiographs in East Baltic Population. Int J Environ Res Public Health. 2021 Jun 3;18(11):6016. doi: 10.3390/ijerph18116016.
Hashemipour MA, Tahmasbi-Arashlow M, Fahimi-Hanzaei F. Incidence of impacted mandibular and maxillary third molars: a radiographic study in a Southeast Iran population. Med Oral Patol Oral Cir Bucal. 2013 Jan 1;18(1):e140-5. doi: 10.4317/medoral.18028.
Ahmed M, Shaikh A, Fida M. Diagnostic validity of different cephalometric analyses for assessment of the sagittal skeletal pattern. Dental Press J Orthod. 2018 Sep-Oct;23(5):75-81. doi: 10.1590/2177-6709.23.5.075-081.oar.
Other Identifiers
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2024PI003
Identifier Type: -
Identifier Source: org_study_id
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