Abstract

BACKGROUND: The knowledge of dimensions of the symphysis is important for morphological and orthodontic studies. This research evaluates the association between mandibular symphysis dimensions and anteroposterior and vertical
skeletal patterns in adults.
MATERIALS AND METHODS: This cross-sectional cephalometric study included 90 lateral cephalograms of untreated subjects presenting for orthodontic treatment. The inclusion criteria were adults with lateral cephalograms showing the symphyseal region and anterior cranial base. One investigator traced and analysed all cephalograms. Symphyseal height, thickness, and ratio between height and thickness were measured in relation to seven anteroposterior and vertical skeletal measurements in females and males.
RESULTS: Symphyseal measurements were associated with SNAo (anteroposterior) in females and Gonial angle (vertical) in males. When analysed by anteroposterior skeletal classification (ANBo), no significant differences in symphyseal dimensions were found. Multiple linear regression analyses showed that Gonion-Nerve (mm) and Gonial angle were significantly associated with symphyseal height. Gonion-Nerve (mm), basal bone width (mm), and alveolar bone height (mm) were associated with symphyseal thickness. Basal bone width (mm) and alveolar bone height (mm) were associated with symphyseal ratio.
CONCLUSIONS: Symphyseal dimensions were significantly associated with vertical but not anteroposterior skeletal patterns. Future studies are warranted to evaluate the Gonion-Nerve measurements concerning the symphysis in relation to vertical and anteroposterior skeletal patterns.

Details

Title
Relationship between mandibular symphysis dimensions and skeletal pattern in adults
Author
Marghalani, H.Y.A. 1   VIAFID ORCID Logo  ; Guan, G. 2 ; Hyun, P. 3 ; Tabbaa, S. 4 ; Linjawi, A. I. 5 ; Al-Jewair, T. 6 

1  Orthodontic Department, Faculty of Dentistry King Abdulaziz University, Jeddah, Saudi Arabia. [email protected] 
2  Department of Orthodontics, University of Pennsylvania, Philadelphia, United States 
3  Private Practice, Albany, NY, United States 
4  School of Orthodontics, Jacksonville University, United States 
5  Orthodontic Department, Faculty of Dentistry King Abdulaziz University, Jeddah, Saudi Arabia 
6  Department of Orthodontics, School of Dental Medicine, University of Buffalo, NY, United States 
First page
464
End page
471
Publication year
2022
Publication date
2022
Publisher
Wydawnictwo Via Medica
ISSN
00155659
Source type
Scholarly Journal
Language of publication
English
DOI
https://doi.org/10.5603/FM.a2021.0045
ProQuest document ID
2692711589
Copyright
© 2022. This work is published under https://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.