Erosive tooth wear inhibition by hybrid coatings with encapsulated fluoride and stannous ions

Autor(es)

Cardoso Bezerra, Savio Jose ^[1] ; Lira Viana, Itallo Emidio ^[1] ; Aoki, Idalina Vieira ^[2] ; Pita Sobral, Maria Angela ^[1] ; Borges, Alessandra Buhler ^[3] ; Hara, Anderson T. ^[4] ; Scaramucci, Tais ^[1]

Afiliação do(s) autor(es)

^[1] Univ Sao Paulo, Sch Dent, Dept Restorat Dent, Sao Paulo, SP - Brazil

^[2] Sao Paulo Univ USP, Polytech Sch, Dept Chem Engn, Sao Paulo, SP - Brazil

^[3] Sao Paulo State Univ, Inst Sci & Technol, Dept Restorat Dent, UNESP, Sao Jose Dos Campos, SP - Brazil

^[4] Indiana Univ, Sch Dent, Dept Cariol Operat Dent & Dent Publ Hlth, Indianapolis, IN - USA

• Tipo de documento: Artigo Científico
• Fonte: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE; v. 32, n. 7 JUL 2021.
• Citações Web of Science: 0

Resumo

This study aimed to formulate a hybrid coating material (HC) and to modify this HC with fluoride (NaF) and stannous (SnCl2) ions, directly or encapsulated in nano containers, testing the effects of these materials against dental erosion and erosion-abrasion. Enamel and dentin specimens were treated with the HCs, and then tested in erosion or erosion-abrasion cycling models of 5 days (n = 10 for each substrate, for each model). Deionized water was the negative control, and a fluoride varnish, the positive control. Surface loss (SL, in mu m) was evaluated with an optical profilometer, and data were statistically analyzed (alpha = 0.05). For enamel, in erosion, the positive control and HC without additives showed significantly lower SL than the negative control (p = 0.003 and p = 0.001). In erosion-abrasion, none of the groups differed from the negative control (p > 0.05). For dentin, in erosion, the positive control, HC without additives, HC with non-encapsulated F, and HC with encapsulated F + Sn showed lower SL than the negative control (p < 0.05). In erosion-abrasion, none of the groups differed significantly from the negative control (p < 0.05). HC without additives showed a promising potential for protecting the teeth against dental erosion (with upward trend for improved protection on dentin), but not against erosion-abrasion. The presence of additives did not improve the protective effect of the HC, on both substrates. {[}GRAPHICS] . (AU)

• Processo FAPESP: 17/14691-6 - Efeito anti-erosivo e anti-abrasivo de uma película híbrida associada ou não ao fluoreto de sódio ou fluoreto de sódio mais cloreto de estanho em esmalte e dentina
• Beneficiário: Taís Scaramucci Forlin
• Modalidade de apoio: Auxílio à Pesquisa - Regular
• Processo FAPESP: 17/13855-5 - Efeito antierosivo e antiabrasivo de uma película híbrida associada ou não ao fluoreto de sódio ou fluoreto de sódio mais cloreto de estanho em esmalte e dentina
• Beneficiário: Sávio José Cardoso Bezerra
• Modalidade de apoio: Bolsas no Brasil - Doutorado