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Protective effect of zinc-hydroxyapatite toothpastes on enamel erosion: an in vitro study

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Protective effect of zinc-hydroxyapatite toothpastes on enamel erosion: an in vitro study

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dc.contributor.author Poggio, Claudio es
dc.contributor.author Gulino, Chiara es
dc.contributor.author Mirando, Maria es
dc.contributor.author Colombo, Marco es
dc.contributor.author Pietrocola, Giampiero es
dc.date.accessioned 2017-05-10T11:16:37Z
dc.date.available 2017-05-10T11:16:37Z
dc.date.issued 2017 es
dc.identifier.citation Poggio, Claudio ; Gulino, Chiara ; Mirando, Maria ; Colombo, Marco ; Pietrocola, Giampiero. Protective effect of zinc-hydroxyapatite toothpastes on enamel erosion: an in vitro study. En: Journal of Clinical and Experimental Dentistry. 2017. Vol. 9, no. 1: 118 es
dc.identifier.uri http://hdl.handle.net/10550/58446
dc.description.abstract The aim of the present study was to test the impact of different toothpastes with Zinc-Hydroxyapatite (Zn-HAP) on preventing and repairing enamel erosion compared to toothpastes with and without fluoride. The following four toothpastes were tested: two toothpastes with Zn-HAP, one toothpaste with fluoride and one toothpaste without fluoride. An additional control group was used in which enamel specimens were not treated with toothpaste. Repeated erosive challenges were provided by immersing bovine enamel specimens (10 per group) in a soft drink for 2 min (6mL, room temperature) at 0, 8, 24 and 32 h. After each erosive challenge, the toothpastes were applied neat onto the surface of specimens for 3 min without brushing and removed with distilled water. Between treatments the specimens were kept in artificial saliva. Enamel hardness, after the erosive challenge and toothpaste treatment was monitored using surface micro-hardness measurements. As expected, repeated erosive challenge by a soft drink for total of 8 min significantly reduced enamel surface hardness (ANOVA, p < 0.05). No re-hardening of the surface softened enamel was observed in the group treated with fluoride-free toothpaste. Surface hardness of the softened enamel increased when the specimens were treated with the fluoride toothpaste and the two toothpastes with Zn-HAP (p < 0.05). Toothpaste with Zn-HAP resulted in significant enamel remineralisation of erosively challenged enamel, indicating that these toothpastes could provide enamel health benefits relevant to enamel erosion. en_US
dc.subject Odontología es
dc.subject Ciencias de la salud es
dc.title Protective effect of zinc-hydroxyapatite toothpastes on enamel erosion: an in vitro study es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÃ DICAS es
dc.type.hasVersion VoR es_ES

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