Reversal of compromised bonding to oxidized etched dentin (2001)
- Authors:
- Autor USP: CARVALHO, RICARDO MARINS DE - FOB
- Unidade: FOB
- Subjects: SÓDIO; VITAMINA C; LIGAS DE ALTA RESISTÊNCIA
- Language: Inglês
- Abstract: The mechanism responsible for hydrogen-peroxide- or sodium-hypochlorite-induced reductions in dentin bond strength is unknown. This in vitro study tested the hypothesis that these oxidizing agents were responsible by attempting to reverse Vthe effect with sodium ascorbate, a reducing agent. Human dentin was treated with these oxidants before or after being acid-etched and with or without post-treatment with sodium ascorbate. They were bonded with either Single Bond or Excite. Hydrogen peroxide reduced the bond strengths of both adhesives, while sodium hypochlorite produced reduction in adhesion of only Single Bond (p < 0.05). Following treatment with sodium ascorbate, reductions in bond strength were reversed. Transmission and scanning electron microscopy showed partial removal of the demineralized collagen matrix only by sodium hypochlorite. The observed compromised bond strengths cannot be attributed to incomplete deproteinization and may be related to changes in the redox potential of the bonding substrates
- Imprenta:
- Source:
- Título: Journal of Dental Research
- ISSN: 0022-0345
- Volume/Número/Paginação/Ano: v. 80, n. 10, p. 1919-1924, Oct. 2001
-
ABNT
LAI, S. C. N. et al. Reversal of compromised bonding to oxidized etched dentin. Journal of Dental Research, v. 80, n. 10, p. 1919-1924, 2001Tradução . . Acesso em: 27 fev. 2026. -
APA
Lai, S. C. N., Mak, Y. F., Cheung, G. S. P., Osorio, R., Toledano, M., Carvalho, R. M. de, et al. (2001). Reversal of compromised bonding to oxidized etched dentin. Journal of Dental Research, 80( 10), 1919-1924. -
NLM
Lai SCN, Mak YF, Cheung GSP, Osorio R, Toledano M, Carvalho RM de, Tay FR, Pashley DH. Reversal of compromised bonding to oxidized etched dentin. Journal of Dental Research. 2001 ; 80( 10): 1919-1924.[citado 2026 fev. 27 ] -
Vancouver
Lai SCN, Mak YF, Cheung GSP, Osorio R, Toledano M, Carvalho RM de, Tay FR, Pashley DH. Reversal of compromised bonding to oxidized etched dentin. Journal of Dental Research. 2001 ; 80( 10): 1919-1924.[citado 2026 fev. 27 ] - Viscoelastic properties of demineralized dentin matrix
- Microhardness of acid-treated and resin infiltrated human dentine
- Water content and apparent stiffness of non-caries versus caries-affected human dentin
- Resistência a tração diametral de um cimento de ionômero de vidro convencional comparado ao cermet
- Avaliação da resistência adesiva à dentina de materiais à base de ácidos polialcenóicos e polímeros resinosos: efeito da variação morfológica do substrato dentinário
- Influence of light-curing sources on in vitro interfacial gap formation of resin composite restorations
- Durability of resin-dentin bonds related to water and oil storage
- Current status of adhesive systems
- Effect of peroxide-based bleaching agents on enamel ultimate tensile strength
- Bond strength as affected by HEMA concentration in rewetting solutions
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