Effects of periodontal treatment on carotid intima-media thickness in patients with lifestyle-related diseases: Japanese prospective multicentre observational study |
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| Authors: | Chieko Kudo Wee Soo Shin Nobuhiro Sasaki Kazuo Harai Kai Kato Hiroaki Seino Eiji Goke Takemasa Fujino Nobuichi Kuribayashi Youko Onuki Pearce Masato Taira Ryoji Matsushima Masato Minabe Shogo Takashiba Periodontitis Atherosclerosis Project-Tokyo Chiba Consortiums |
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| Affiliation: | 1.Division of Periodontology, Department of Oral Function & Restoration, Graduate School of Dentistry,Kanagawa Dental University,Yokosuka,Japan;2.Sekimachi Medical Clinic,Tokyo,Japan;3.Katsutadai Dental Clinic,Yachiyo-shi,Japan;4.Matsumoto Dental Office,Tokyo,Japan;5.Harai Dental Office,Tokyo,Japan;6.Mejiro Medical-Road Dental Clinic,Tokyo,Japan;7.Tomiya Central Hospital,Miyagi,Japan;8.Goke Dental Clinic,Tokyo,Japan;9.Kyodo Dental Clinic,Tokyo,Japan;10.Misaki Internal Medicine Clinic,Chiba,Japan;11.Pearce Clinic,Chiba,Japan;12.Taira Clinic,Chiba,Japan;13.Matsushima Dental Clinic,Tokyo,Japan;14.Bunkyo Do-ri Dental Clinic,Chiba,Japan;15.Department of Pathophysiology-Periodontal Science,Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences,Okayama,Japan |
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| Abstract: | ![]()
Atherosclerosis, a chronic inflammatory disease in arterial blood vessels, is one of the major causes of death in worldwide. Meanwhile, periodontal disease is a chronic inflammatory disease caused by infection with periodontal pathogens such as P. gingivalis (Porphyromonas gingivalis). Several studies have reported association between periodontal infection and atherosclerosis, but direct investigation about the effects of periodontal treatment on atherosclerosis has not been reported. We have planned Japanese local clinics to determine the relationship between periodontal disease and atherosclerosis under collaborative with medical and dental care. A prospective, multicentre, observational study was conducted including 38 medical patients with lifestyle-related diseases in the stable period under consultation at participating medical clinics and 92 periodontal patients not undergoing medical treatment but who were consulting at participating dental clinics. Systemic and periodontal examinations were performed before and after periodontal treatment. At baseline, LDL-C (low-density lipoprotein cholesterol) levels and percentage (%) of mobile teeth were positively related to plasma IgG (immunoglobulin) antibody titer against P. gingivalis with multivariate analysis. Corresponding to improvements in periodontal clinical parameters after treatment, right and left max IMT (maximum intima-media thickness) levels were decreased significantly after treatment (SPT-S: start of supportive periodontal therapy, SPT-1y: at 1 year under SPT, and SPT-3y: at 3 years under SPT). The present study has clarified our previous univariate analysis results, wherein P. gingivalis infection was positively associated with progression of atherosclerosis. Thus, routine screening using plasma IgG antibody titer against P. gingivalis and periodontal treatment under collaborative with medical and dental care may prevent cardiovascular accidents caused by atherosclerosis. |
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