Three-dimensional assessment of temporomandibular joint in skeletal Class I malocclusion with variable degrees of overbite and overjet.

IF 2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE Cranio-The Journal of Craniomandibular & Sleep Practice Pub Date : 2024-09-01 Epub Date: 2022-02-01 DOI:10.1080/08869634.2022.2028114

Enas Senan Alyafrusee, Maged Sultan Alhammadi, Bushra Sufyan Almaqrami, Abbas Ahmed Abdulqader, Majedh Abdo Alsomairi, Saba Ahmed Alhadad, Ren Liling

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Abstract

Objective: To three-dimensionally evaluate the position and morphology of the TMJ in skeletal Class I with variable degrees of overbite and overjet in comparison with normal peers.

Methods: Pretreatment CBCT scans of 126 adults were retrieved. Based on the severity of overjet and overbite, the sample was divided into three main groups and six subgroups (18 patients each): the first group with a normal overbite and variable overjet degree and the second group with normal overjet and variable overbite degree. These six subgroups were compared with a third control group of normal overjet and overbite.

Results: There were significant differences in vertical condylar position, vertical and anteroposterior condylar inclinations, condylar height, and significant posterior condylar positioning in severe deep overbite, compared with the control group.

Conclusion: There were significant changes in the TMJ components in severe deep overbite cases. Therefore, sever deep overbite could be considered a predisposing factor for temporomandibular disorders.

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对具有不同程度咬合过度和咬合过高的骨骼型 I 类错牙合畸形的颞下颌关节进行三维评估。

目的与正常人相比，从三维角度评估不同程度咬合过高和咬合过紧的骨骼 I 类颞下颌关节的位置和形态：方法：对 126 名成年人进行治疗前 CBCT 扫描。根据过咬合和咬合过度的严重程度，样本被分为三大组和六个亚组（每组 18 名患者）：第一组咬合过度正常，咬合过度程度不一；第二组咬合过度正常，咬合过度程度不一。这六个亚组与第三组正常过咬合和过咬合的对照组进行了比较：结果：与对照组相比，严重深覆颌患者的髁突垂直位置、髁突垂直和前后倾角、髁突高度和髁突后定位均有明显差异：严重深覆颌病例的颞下颌关节成分发生了明显变化。结论：严重深覆咬合病例的颞下颌关节组件发生了显著变化，因此，严重深覆咬合可被视为颞下颌关节疾病的易感因素。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cranio-The Journal of Craniomandibular & Sleep Practice DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.50

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： CRANIO: The Journal of Craniomandibular & Sleep Practice is the oldest and largest journal in the world devoted to temporomandibular disorders, and now also includes articles on all aspects of sleep medicine. The Journal is multidisciplinary in its scope, with editorial board members from all areas of medicine and dentistry, including general dentists, oral surgeons, orthopaedists, radiologists, chiropractors, professors and behavioural scientists, physical therapists, acupuncturists, osteopathic and ear, nose and throat physicians. CRANIO publishes commendable works from outstanding researchers and clinicians in their respective fields. The multidisciplinary format allows individuals practicing with a TMD emphasis to stay abreast of related disciplines, as each issue presents multiple topics from overlapping areas of interest. CRANIO''s current readership (thousands) is comprised primarily of dentists; however, many physicians, physical therapists, chiropractors, osteopathic physicians and other related specialists subscribe and contribute to the Journal.