{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,17]],"date-time":"2026-05-17T02:39:31Z","timestamp":1778985571420,"version":"3.51.4"},"reference-count":43,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2019,7,1]],"date-time":"2019-07-01T00:00:00Z","timestamp":1561939200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["91649124"],"award-info":[{"award-number":["91649124"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["aap.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Periodontology"],"published-print":{"date-parts":[[2019,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>The relationship between chronic periodontitis and pulpal\/cemental changes is seldom reported. This study aimed to report on the microstructural changes of cementum and histopathological features of the dental pulp in teeth with severe chronic periodontitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Eighty molar teeth with severe chronic periodontitis and 50 extracted third molars (as normal controls) were collected. The microstructure of cementum was evaluated by scanning electron microscopy, and the pulp was stained with hematoxylin and eosin. Interleukin (IL)\u201017 and IL\u20101\u03b2 levels were examined by immunohistochemistry\/western blotting. Reactive oxygen species (ROS) and superoxide dismutase 1 (SOD 1) levels were also checked. Caspase 3 expression and terminal\u2010deoxynucleotidyl transferase dUTP nick\u2010end labeling (TUNEL) staining were used as apoptotic indices, and LC3B and P62 were detected to demonstrate the level of autophagy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The surface of cementum showed irregularities; the dental pulp was inflamed and under oxidative stress. IL\u201017 and IL\u20101\u03b2 levels were increased in the pulp of teeth with periodontitis. ROS and apoptosis levels were higher than in normal dental pulp, while SOD 1 level was reduced. Intriguingly, autophagy markers LC3B and P62 were upregulated in the pulp obtained from teeth with periodontitis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Severe chronic periodontitis influenced the microstructure of both cementum and dental pulp. The dental pulp collected from teeth with periodontitis was inflamed, under oxidative stress, and presented increased levels of apoptosis and autophagy relative to normal dental pulp.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jper.18-0604","type":"journal-article","created":{"date-parts":[[2019,6,4]],"date-time":"2019-06-04T06:28:29Z","timestamp":1559629709000},"page":"1297-1306","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":37,"title":["Severe periodontitis may influence cementum and dental pulp through inflammation, oxidative stress, and apoptosis"],"prefix":"10.1002","volume":"90","author":[{"given":"Xiangchun","family":"Li","sequence":"first","affiliation":[{"name":"Beijing Key Laboratory of Tooth Regeneration and Function Reconstruction Capital Medical University School of Stomatology  Beijing P. R. China"},{"name":"Department of Stomatology the First Hospital of Qinhuangdao  Hebei P. R. 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