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Structure and microstructure of coronary dentin in non-erupted human deciduous incisor teeth
Costa, Luciane R. R S; Watanabe, Ii-Sei; Kronka, Márcia C; Silva, Marcelo C. P.
Afiliação
  • Costa, Luciane R. R S; Federal University of Goiás. School of Dentistry. Department of Pedodontics. Goiânia. BR
  • Watanabe, Ii-Sei; University of São Paulo. Institute of Biomedical Sciences. Department of Anatomy. São Paulo. BR
  • Kronka, Márcia C; University of São Paulo. Institute of Biomedical Sciences. Department of Anatomy. São Paulo. BR
  • Silva, Marcelo C. P; University of São Paulo. Institute of Biomedical Sciences. Department of Anatomy. São Paulo. BR
Braz. dent. j ; Braz. dent. j;13(3): 170-174, 2002. ilus
Article em En | LILACS, BBO | ID: lil-338537
Biblioteca responsável: BR501.1
ABSTRACT
The dentin structure of non-erupted human deciduous mandibular and maxillary central and lateral incisor teeth was studied employing light and scanning electron microscopy. For light microscopy, nitric-acid-demineralized and ground sections were used. The sections were stained by hematoxylin-eosin, picrosirius and azo-carmim methods, and ground specimens were prepared using a carborundum disk mounted in a handpiece. For SEM study, teeth were frozen in liquid nitrogen and fractured at longitudinal and transversal directions. Structurally, demineralization and ground methods revealed tubules with primary and secondary curvatures, canaliculi, giant tubules, interglobular dentin, predentin, and intertubular dentin. Scanning electron microscopy showed three-dimensional aspects of dentinal tubules, canaliculi, peritubular dentin, intertubular dentin, and predentin. This study contributes to knowledge about dentin morphology showing characteristics of teeth not yet submitted to mastication stress
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Texto completo: 1 Coleções: 01-internacional Base de dados: BBO / LILACS Assunto principal: Dente Decíduo / Dente não Erupcionado / Técnicas In Vitro / Coroa do Dente / Dentina Limite: Humans / Infant Idioma: En Revista: Braz. dent. j Assunto da revista: ODONTOLOGIA Ano de publicação: 2002 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil
Texto completo
Adicionar na Minha BVS
Imprimir
XML
Buscar no Google
Texto completo: 1 Coleções: 01-internacional Base de dados: BBO / LILACS Assunto principal: Dente Decíduo / Dente não Erupcionado / Técnicas In Vitro / Coroa do Dente / Dentina Limite: Humans / Infant Idioma: En Revista: Braz. dent. j Assunto da revista: ODONTOLOGIA Ano de publicação: 2002 Tipo de documento: Article País de afiliação: Brasil País de publicação: Brasil