Scanning electron microscopy study of dental enamel surface exposed to 35% hydrogen peroxide: alone, with saliva, and with 10% carbamide peroxide (2003)
- Authors:
- USP affiliated authors: TAVEIRA, LUIS ANTONIO DE ASSIS - FOB ; ASSIS, GERSON FRANCISCO DE - FOB
- Unidade: FOB
- Subjects: ESMALTE DENTÁRIO; MICROSCOPIA ELETRÔNICA
- Language: Inglês
- Abstract: Several vital bleaching systems have been introduced in reponse to the demand in esthetic dentistry. The active agents are commonly hydrogen peroxide or cabamide peroxide used in at-home or in-office techniques. Although generally positive results have been reported concerning the whitening ability of these agents, concerns still remain as to their effects on dental tissues. The purpose of this investigation was to evaluate the effect of these bleaching agents on the enamel surface morphology. Twelve extracted teeth were used according to there experimental protocols. In experimental protocol 1, specimens were treated with 35% hydrogen peroxide. In experimental protocol 2, after treatment with 35% hydrogen peroxide the specimens were immersed in natural saliva for 1 week. In experimental protocol 3, 35% hydrogen peroxide was applied once and 10% carbamide peroxide was applied for 1 week (12 h of 10% carbamide peroxide alternating with 12 h saliva). Scanning electron microscopy evaluation revealed that regional variation in tooth morphology surface sometimes exceeded the effects of the peroxide used according to experimental protocols. Thirty-five percent hydrogen peroxide had a tendency to promote an increase in dentistry of pits. Precipitates were observed on specimen surfaces immersed in natural saliva according to protocol 2. A smooth and shiny surface was observed in specimens treated according to protocol 3. The potential relationship between surface alternationsand differences in enamel permeability is currently under investigation
- Imprenta:
- Source:
- Título: Journal of Esthetic and Restorative Dentistry
- ISSN: 1496-4155
- Volume/Número/Paginação/Ano: v. 15, p. 154-165, 2003
-
ABNT
SPALDING, Marianne e TAVEIRA, Luís Antônio de Assis e ASSIS, Gerson Francisco de. Scanning electron microscopy study of dental enamel surface exposed to 35% hydrogen peroxide: alone, with saliva, and with 10% carbamide peroxide. Journal of Esthetic and Restorative Dentistry, v. 15, p. 154-165, 2003Tradução . . Acesso em: 27 jan. 2026. -
APA
Spalding, M., Taveira, L. A. de A., & Assis, G. F. de. (2003). Scanning electron microscopy study of dental enamel surface exposed to 35% hydrogen peroxide: alone, with saliva, and with 10% carbamide peroxide. Journal of Esthetic and Restorative Dentistry, 15, 154-165. -
NLM
Spalding M, Taveira LA de A, Assis GF de. Scanning electron microscopy study of dental enamel surface exposed to 35% hydrogen peroxide: alone, with saliva, and with 10% carbamide peroxide. Journal of Esthetic and Restorative Dentistry. 2003 ; 15 154-165.[citado 2026 jan. 27 ] -
Vancouver
Spalding M, Taveira LA de A, Assis GF de. Scanning electron microscopy study of dental enamel surface exposed to 35% hydrogen peroxide: alone, with saliva, and with 10% carbamide peroxide. Journal of Esthetic and Restorative Dentistry. 2003 ; 15 154-165.[citado 2026 jan. 27 ] - Exfoliative cytology of the oral mucosa in type II diabetic patients: morfhology and cytomorphometry
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