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Titolo:
The initial attachment of cemental fibrils to the root dentin surface in acellular and cellular cementogenesis in rat molars
Autore:
Yamamoto, T; Domon, T; Takahashi, S; Islam, MN; Suzuki, R;
Indirizzi:
Hokkaido Univ, Grad Sch Dent Med, Dept Oral Hlth Sci, Kita Ku, Sapporo, Hokkaido 0600813, Japan Hokkaido Univ Sapporo Hokkaido Japan 0600813 oro, Hokkaido 0600813, Japan
Titolo Testata:
ANNALS OF ANATOMY-ANATOMISCHER ANZEIGER
fascicolo: 2, volume: 183, anno: 2001,
pagine: 123 - 128
SICI:
0940-9602(200103)183:2<123:TIAOCF>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING-ELECTRON-MICROSCOPY; EXTRINSIC FIBER CEMENTUM; HUMAN TEETH; PRINCIPAL FIBERS; 3-DIMENSIONAL ORGANIZATION; REVERSAL LINES; LIGHT; BONE; JUNCTION; MACERATION;
Keywords:
acellular cementum; cellular cementum; cemento-dentinal junction; rat molar; scanning electron microscopy; maceration;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Yamamoto, T Hokkaido Univ, Grad Sch Dent Med, Dept Oral Hlth Sci, Kita Ku,Kita 13 Nishi 7, Sapporo, Hokkaido 0600813, Japan Hokkaido Univ Kita 13 Nishi 7 Sapporo Hokkaido Japan 0600813 n
Citazione:
T. Yamamoto et al., "The initial attachment of cemental fibrils to the root dentin surface in acellular and cellular cementogenesis in rat molars", ANN ANATOMY, 183(2), 2001, pp. 123-128

Abstract

To elucidate the initial attachment mechanism of cemental fibrils to the root dentin surface in acellular and cellular cementogenesis, developing ratmolars were observed by light microscopy and scanning electron microscopy combined with NaOH maceration. The NaOH maceration was used to observe details of the positional association of cemental and dentinal fibrils during cementogenesis. An initial hematoxylin stained, cementum layer began to formon the root dentin surface with the first dentin mineralization in both acellular and cellular cementogenesis. The initial attachment of cemental fibrils to the dentin surface also began at this point. At the initial attachment the intermingling of cemental and dentinal fibrils occurred only in places. With advanced cementogenesis the initial cementum layer became the fibril-poor cemento-dentinal junction. This suggests that cemental fibrils attach on the initial cementum layer, and not directly on dentinal fibrils, sothat the layer results in the fibril-poor cemento-dentinal junction. The present study suggests that an intervening adhesive is necessary for the cemento-dentinal attachment at any stage of cementogenesis in rat molars.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 08:12:02