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Journal of Dental Research
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*Alcohol
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*ETHANOL
*HYDROGEN PEROXIDE
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Effects of Ethanol Consumption on Periodontal Inflammation in Rats

K. Irie, T. Tomofuji, N. Tamaki, T. Sanbe, D. Ekuni, T. Azuma, T. Maruyama and T. Yamamoto*

Department of Oral Health, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikatacho, Okayama 700-8525, Japan


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  		Figure 1. Pathological changes in rat periodontal tissue. While the Control group showed no pathological changes (A), the Ethanol group showed moderate alveolar bone resorption (B). Measures of linear distances between the cemento-enamel junction and apical portion of the junctional epithelium (C), linear distances between the cemento-enamel junction and alveolar bone crest (D), and polymorphonuclear leukocyte density (E) for the 4 experimental groups (mean ± SD). ABC, alveolar bone crest; CEJ, cemento-enamel junction. Bar scale = 50 µm. ap< 0.05, compared with the Control group. bp < 0.05, compared with the Periodontitis group.

 

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  		Figure 2. TNF-{alpha}-positive periodontal ligament fibroblasts in rats. Staining with isotype control immunoglobulin showing absence of reactivity (A). Few TNF-{alpha}-positive fibroblasts with brown-stained cytoplasm were found in the Control group (B). More TNF-{alpha}-positive fibroblasts were observed in the Combination group (C,C'). Fibroblast counts (D) and ratios of TNF-{alpha}-positive fibroblasts to total fibroblasts (E) for the 4 experimental groups (mean ± SD). AB, alveolar bone; CM, cementum. Scale bar = 25 µm. ap < 0.05, compared with the Control group. bp < 0.05, compared with the Periodontitis group.

 

Journal of Dental Research, Vol. 87, No. 5, 456-460 (2008)
DOI: 10.1177/154405910808700511
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