机构：[1]Department of Stomatology, Tian Tan Hospital, Teaching Hospital of Capital Medical College, Beijing, China首都医科大学附属天坛医院
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摘要：
The gingiva samples were obtained from 40 patients with chronic periodontitis after flap operation and 20 cases having healthy gingiva after ectopic wisdom tooth extraction. We investigated the oxytalan fibers by light microscopy (LM), transmission electron microscopy (TEM), and scanning electron microscopy (SEM). The results demonstrated that under normal conditions numerous oxytalan fibers were widely and evenly distributed throughout the periodontal tissues. There was marked degeneration of the oxytalan fibers in chronic peridontitis. The predominant features were disintegration, fragmentation or disappearance of the oxytalan fibers under the basement membrane. Around the blood vessels, the oxytalan fibers decreased in density with fragmentation of the fibers and sometimes they disappeared almost completely. These results indicated that degeneration and destruction of the oxytalan fibers were closely correlated with the chronic periodontitis process, leading to reduced function occlusion of teeth.
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外文
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最新[2023]版：
大类|3 区医学
小类|3 区医学：内科
第一作者：
第一作者机构：[1]Department of Stomatology, Tian Tan Hospital, Teaching Hospital of Capital Medical College, Beijing, China
推荐引用方式(GB/T 7714)：
Chen S.Z,Xu M,Chen Z.X,et al.Pathological changes of oxytalan fibers in the human gingiva of chronic periodontitis.[J].CHINESE MEDICAL JOURNAL.1994,107(10):
APA：
Chen, S.Z,Xu, M,Chen, Z.X,Wang, S.L,Geng, J.Y&Guo, W.(1994).Pathological changes of oxytalan fibers in the human gingiva of chronic periodontitis..CHINESE MEDICAL JOURNAL,107,(10)
MLA：
Chen, S.Z,et al."Pathological changes of oxytalan fibers in the human gingiva of chronic periodontitis.".CHINESE MEDICAL JOURNAL 107..10(1994)
