Evaluation of condyle-fossa relationships in skeletal Class I malocclusion with variable degrees of deep overbite and open bite.

IF 4.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2025-03-01 Epub Date: 2022-09-26 DOI:10.1080/08869634.2022.2126918

Yanxi Chen, Ying Li, Lingfeng Li, Nan Luo, Xiaoya Zhang, Hongwei Dai, Jianping Zhou

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引用次数: 0

Abstract

Objective: To compare the temporomandibular joint (TMJ) position and shape between skeletal Class I subjects with different degrees of deep overbite or open bite and unaffected peers.

Methods: Cone beam computed tomography (CBCT) images of 90 participants, equally divided into deep bite, open bite, and control groups (DBG, OBG, and CG, respectively), were analyzed. The DBG and OBG were further subdivided into three subgroups based on the severity. Linear and angular measurements were used to determine the positional and morphological characteristics of the TMJ.

Results: DBG showed significantly larger superior joint space, anterior inclination of the condyle, and articular eminence inclination than CG and OBG. The severity of deep bite and open bite significantly influenced the TMJ position and morphology.

Conclusion: In severe deep overbite and open bite cases, there were considerable alterations in TMJ components, most likely as a result of functional demands.

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评估具有不同程度深覆咬和开放咬合的 I 类骨骼错合畸形的髁突窝关系。

目的比较不同程度深咬合或开放咬合的骨骼I类受试者与未受影响的同龄人的颞下颌关节（TMJ）位置和形状：对 90 名参与者的锥形束计算机断层扫描（CBCT）图像进行分析，这些参与者被平均分为深咬合组、开放咬合组和对照组（分别为 DBG、OBG 和 CG）。根据严重程度，DBG 和 OBG 又分为三个亚组。通过线性和角度测量来确定颞下颌关节的位置和形态特征：结果：与 CG 和 OBG 相比，DBG 的上关节间隙、髁突前倾角和关节突倾角明显更大。深咬合和开放咬合的严重程度对颞下颌关节的位置和形态有明显影响：结论：在严重的深咬合和开放性咬合病例中，颞下颌关节的组成部分发生了很大变化，这很可能是功能需求的结果。

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

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.