PMID: 8595833Nov 1, 1995Paper

Marginal seal and biocompatibility of a fourth-generation bonding agent

Dental Materials : Official Publication of the Academy of Dental Materials
G GoracciM Bazzucchi

Abstract

The pulpal reaction and the marginal sealing of in vivo restored samples using resin composite and Scotchbond Multi-Purpose adhesive system (3M Dental Products) were analyzed in this study. Twelve Class I non-exposed cavity preparations were placed on premolars to be removed for orthodontic reasons. They were restored and observed at 7 d and 28 d. The examination of the resin-dentin interface under the scanning electron microscope (SEM) revealed: 1) a gap-free attachment between adhesive resin and dentinal surface in 80% of the areas studied, 2) penetration of resin tags into the dentinal tubules, and 3) formation of a 3-5 micrometer thick acid-resistant hybrid layer. Microfissures measuring about 10 micrometers were observed in only 20a% of the areas studied; these were located along the walls of the cavities, especially near the enamel in zones where there was a lower concentration of dentinal tubules. The histological analysis, carried out 7 d after preparation of the restoration, did not show any alteration of the pulp. After 4 wk, reparative dentin was produced in the pulpal areas corresponding to the restored cavities. The quantity of newly formed dentin is correlated with the distance from the cavity to the pulp. The res...Continue Reading

References

Mar 1, 1992·Dental Materials : Official Publication of the Academy of Dental Materials·N Nakabayashi, K Takarada
Jul 1, 1991·Journal of Esthetic Dentistry·N NakabayashiN Yasuda
Jun 1, 1993·Journal of Dentistry·T Jacobsen, W J Finger
Nov 1, 1959·The Journal of the American Dental Association·H A ZANDER

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Citations

Nov 11, 1999·Journal of Biomedical Materials Research·W GeurtsenG Leyhausen
Aug 16, 2012·Clinical Oral Investigations·Nidambur Vasudev BallalBola Sadashiva Satish Rao
Sep 29, 2004·Dental Materials : Official Publication of the Academy of Dental Materials·Stefano ChersoniCarlo Prati
Apr 11, 2003·Dental Materials : Official Publication of the Academy of Dental Materials·Satoshi ImazatoFranklin R Tay
Apr 28, 2000·Journal of Dentistry·R K SübayM Nayir
Dec 7, 2010·Proceedings of the National Academy of Sciences of the United States of America·Nurit BeythErvin I Weiss
Oct 30, 2009·International Journal of Molecular Sciences·Athina BakopoulouPavlos Garefis
Sep 1, 2009·Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, and Endodontics·N Vasudev BallalB S Satish Rao
Oct 2, 2004·European Journal of Oral Sciences·Sabine H DickensAnthony A Giuseppetti
Mar 13, 2009·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Yu-Hong XiaoYing-Jie Wang
Mar 1, 1996·Dental Materials : Official Publication of the Academy of Dental Materials·E J SwiftS C Bayne
Jan 2, 2001·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·G Bergenholtz
Oct 6, 2000·Critical Reviews in Oral Biology and Medicine : an Official Publication of the American Association of Oral Biologists·W Geurtsen
Feb 1, 2007·Journal of Applied Oral Science : Revista FOB·José Carlos PereiraJoão Batista de Souza
Apr 21, 2001·The Journal of Clinical Pediatric Dentistry·Z C CehreliP Atilla
Jan 5, 2002·Journal of Endodontics·A S AtacB Sener

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