Relationship between large tubules and dentin caries in human deciduous tooth
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概要
- 論文の詳細を見る
The purpose of this study was to elucidate the relationship between large tubules and dentin caries by using human deciduous incisors that showed various levels of attrition but no macroscopical lesions resulting from caries. The teeth were cut longitudinally in the mesio-distal direction and the exposed surfaces observed widi a high-resolution field emission scanning electron microscope. The inside of each large tubule showed dense collagen fibers running parallel to its long axis and small spherical bodies of aggregated crystals, but no marked attrition. In teeth where attrition had exposed dentin at the incisal edge, oral bacteria had infiltrated the large tubules. Furthermore, in teeth with advanced attrition, it was difficult to distinguish between the large tubules and the surrounding dentin matrix, and numerous bacteria were observed in both areas. These findings support the hypothesis that large tubules play a role in the pathway of caries formation in coronal dentin when incisal dentin is exposed by attrition. This suggests that early treatment of exposed dentin surfaces might be effective in preventing dental caries.
- 東京歯科大学の論文
著者
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Agematsu Hiroko
Dep. Of Anatomy Tokyo Dental Coll.
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ABE Shinichi
Department of Materials and Life Science, Graduate School of Science and Technology, Kumamoto Univer
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Agematsu Hiroko
Department of Anatomy, Tokyo Dental College
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Shiozaki Kazunari
Department of Anatomy, Tsurumi University, School of Dental Medicine
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Usami Akinobu
Division of Oral Anatomy, Department of Morphological Biology, Ohu University School of Dentistry
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Ogata Shigemitsu
Department of Clinical Nursing, School of Health Sciences, Faculty of Medicine, Kagoshima University
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Suzuki Kazunari
Department of Anatomy, Tokyo Dental College
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Soejima Masakazu
Department of Anatomy, Tokyo Dental College
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Ohnishi Masaharu
Department of Anatomy, Tokyo Dental College
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Nonami Kanzo
Department of Anatomy, Tokyo Dental College
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Ide Yoshinobu
Department of Anatomy, Tokyo Dental College
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Usami Akinobu
東京歯科大学 解剖学講座
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Ide Yoshinobu
東京医科歯科大学 解剖学
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Ide Yoshinobu
Department Of Anatomy Tokyo Dental College
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Ide Yoshinobu
Oral Health Science Center:department Of Anatomy Tokyo Dental College
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Ogata S
Department Of Applied Sciences Yamaguchi University
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Abe Shinichi
Department Of Anatomy Tokyo Dental College
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Usami Akinobu
Division Of Oral Anatomy Department Of Morphological Biology Ohu University School Of Dentistry
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Shiozaki Kazunari
Department Of Anatomy I Tsurumi University School Of Dental Medicine
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Shiozaki Kazunari
Department Of Anatomy Tsurumi University School Of Dental Medicine
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Nonami Kanzo
Department Of Anatomy Tokyo Dental College
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Abe S
Department Of Anatomy Tokyo Dental College
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Soejima M
Department Of Resource Biology Faculty Of Agriculture Ibaraki University
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Ide Y
Department Of Anatomy Tokyo Dental College
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Agematsu Hiroko
Department Of Anatomy Tokyo Dental College
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Ohnishi M
Department Of Agricultural And Life Science Obihiro University Of Agriculture And Veterinary Medicin
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Suzuki K
Department Of Advanced Energy Graduate School Of Frontier Sciences The University Of Tokyo
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Abe S
Oral Health Science Center:department Of Anatomy Tokyo Dental College
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Soejima Masakazu
Department Of Anatomy Tokyo Dental College
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Ogata Shigemitsu
Department Of Clinical Nursing School Of Health Sciences Faculty Of Medicine Kagoshima University
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Ohnishi Masaharu
Department Of Anatomy Tokyo Dental College
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Agematsu H
Department of Anatomy, Tokyo Dental College
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Shiozaki K
Department of Anatomy, Tsurumi University, School of Dental Medicine
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Usami A
Division of Oral Anatomy, Department of Morphological Biology, Ohu University School of Dentistry
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Nonami K
Department of Anatomy, Tokyo Dental College
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