Morphologic changes in the temporomandibular joint in different age groups

Oral Surgery, Oral Medicine, Oral Pathology Pub Date : 1994-09-01 DOI:10.1016/0030-4220(94)90055-8

Francisco J. Pereira Jr DDS, MDS (Postgraduate Student) , Håkan Lundh DDS, PhD (Associate Professor) , Per-Lennart Westesson DDS, PhD (Professor)

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引用次数: 80

Abstract

Comparisons among several temporomandibular joint autopsy studies indicate that the frequency of arthrosis and disk displacement is higher in elderly persons. The aim of this study was to investigate type, frequency, and location of morphologic changes in temporomandibular joint autopsy specimens divided into two groups according to age and to determine the differences between the two groups. For this purpose 68 temporomandibular joints were removed from 37 persons at autopsy. Group I (young) consisted of 36 specimens belonging to 19 persons with a mean age of 30 years (range, 16 to 39 years). Group II (elderly) consisted of 32 specimens from persons with a mean age of 68 years (range, 55 to 78 years). Significant differences between the two groups were observed with respect to several of the morphologic changes that were evaluated. The results of this study suggest that the frequency of morphologic changes such as deviation in form, arthrosis, perforations, disk displacement, disk deformation, and adhesions is higher in the temporomandibular joints of elderly persons.

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不同年龄组颞下颌关节的形态学变化

几项颞下颌关节解剖研究的比较表明，老年人关节和椎间盘移位的频率更高。本研究的目的是探讨按年龄分为两组的颞下颌关节解剖标本形态学改变的类型、频率和位置，并确定两组之间的差异。为此，在尸检中从37人身上取下了68个颞下颌关节。第一组(年轻组)36例标本，19人，平均年龄30岁(16 ~ 39岁)。第二组(老年人)包括32例标本，平均年龄为68岁(55至78岁)。两组之间的显著差异被观察到关于几个形态学变化的评估。本研究结果提示老年人颞下颌关节形态改变的频率更高，如形态偏离、关节关节、穿孔、椎间盘移位、椎间盘变形和粘连。

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Oral Surgery, Oral Medicine, Oral Pathology

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