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Titolo:
A light microscopic study of the attachment mechanism in different kinds of adhesive lines in rat molars
Autore:
Islam, MN; Yamamoto, T; Wakita, M;
Indirizzi:
Hokkaido Univ, Grad Sch Dent Med, Dept Oral Hlth Sci, Lab Histol & Embryol,Kita Ku, Sapporo, Hokkaido 0608586, Japan Hokkaido Univ Sapporo Hokkaido Japan 0608586 oro, Hokkaido 0608586, Japan
Titolo Testata:
ANNALS OF ANATOMY-ANATOMISCHER ANZEIGER
fascicolo: 4, volume: 183, anno: 2001,
pagine: 319 - 323
SICI:
0940-9602(200107)183:4<319:ALMSOT>2.0.ZU;2-W
Fonte:
ISI
Lingua:
ENG
Soggetto:
SCANNING-ELECTRON-MICROSCOPY; CEMENTO-DENTINAL JUNCTION; EXTRINSIC FIBER CEMENTUM; HUMAN TEETH; INITIAL ATTACHMENT; PRINCIPAL FIBERS; REVERSAL LINES; BONE; SURFACE; REPAIR;
Keywords:
light microscopy; cement line; cemento-dentinal junction; rat molar;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
28
Recensione:
Indirizzi per estratti:
Indirizzo: Islam, MN Hokkaido Univ, Grad Sch Dent Med, Dept Oral Hlth Sci, Lab Histol& Embryol,Kita Ku, Kita 13 Nishi 7, Sapporo, Hokkaido 0608586, Japan Hokkaido Univ Kita 13 Nishi 7 Sapporo Hokkaido Japan 0608586 pan
Citazione:
M.N. Islam et al., "A light microscopic study of the attachment mechanism in different kinds of adhesive lines in rat molars", ANN ANATOMY, 183(4), 2001, pp. 319-323

Abstract

This study was designed to observe drifting molars of 70-day-old rats by light microscopy, and to elucidate whether there are similar attachment mechanisms at different kinds of adhesive lines in periodontal mineralized tissue of the rat molar region. Three kinds of adhesive lines - cement lines onresorbed alveolar bone, cement lines on resorbed roots, and cemento-dentinal junctions were examined. The two kinds of cement lines showed similar histological and histochemical features, they were proteoglycan-rich and fiber-poor. They appeared to form on the resorbed tissue before principal fiberreattachment. After covering by new bone or by reparative cementum, the cement lines retained the original features. The cemento-dentinal junction showed features very similar to those of the cement lines. Previous studies have suggested that the cemento-dentinal junctions bind the cementum and dentine by adhesion of proteoglycans. Structural similarities suggest that cement lines provide similar links between new bone and resorbed bone and between resorbed root and reparative cementum. In conclusion, this study suggests that there is one attachment mechanism for the different kinds of collagen based hard tissue in the rat molar region.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 23:27:48