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Remineralizing effect of a zinc-hydroxyapatite toothpaste on enamel erosion caused by soft drinks : ultrastructural analysis

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Remineralizing effect of a zinc-hydroxyapatite toothpaste on enamel erosion caused by soft drinks : ultrastructural analysis

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dc.contributor.author Colombo, Marco es
dc.contributor.author Mirando, Maria es
dc.contributor.author Rattalino, Davide es
dc.contributor.author Beltrami, Riccardo es
dc.contributor.author Chiesa, Marco es
dc.contributor.author Poggio, Claudio es
dc.date.accessioned 2017-09-28T11:29:34Z
dc.date.available 2017-09-28T11:29:34Z
dc.date.issued 2017 es
dc.identifier.citation Colombo, Marco ; Mirando, Maria ; Rattalino, Davide ; Beltrami, Riccardo ; Chiesa, Marco ; Poggio, Claudio. Remineralizing effect of a zinc-hydroxyapatite toothpaste on enamel erosion caused by soft drinks : ultrastructural analysis. En: Journal of Clinical and Experimental Dentistry, 9 7 2017: 861-868 es
dc.identifier.uri http://hdl.handle.net/10550/61254
dc.description.abstract The aim of the present in vitro study was to evaluate the protective effects of a zinc-hydroxyapatite toothpaste on repairing enamel erosion produced by a soft drink (Coca-Cola) compared to toothpastes with and without fluoride using Scanning Electron Microscopy (SEM). Fifty specimens were assigned to 5 groups of 10 specimens each. (Group 1: no erosive challenge, no toothpaste treatment, group 2: erosive challenge, no toothpaste treatment, 3: erosive challenge, toothpaste without fluoride, group 4: erosive challenge, fluoride toothpaste treatment, group 5: erosive challenge, zinc-hydroxyapatite toothpaste treatment). 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. The surface of each specimen was imaged by SEM. Statistically significant differences were found between the samples used as control and those immersed in Coca-Cola (group 1 and 2): indeed among all groups the highest grade of damage was found in group 2. Instead the lowest grade was recorded in the samples of group 5 (Zinc hydroxyapatite toothpaste). The results of this study confirmed the potential benefit the Zn-HAP technology could provide in protecting enamel from erosive acid challenges. The treatment of erosively challenged enamel with Zn-Hap toothpaste showed a clear protective effect. es
dc.title Remineralizing effect of a zinc-hydroxyapatite toothpaste on enamel erosion caused by soft drinks : ultrastructural analysis es
dc.type journal article es_ES
dc.subject.unesco UNESCO::CIENCIAS MÉDICAS es
dc.identifier.doi 10.4317/jced.53790 es
dc.type.hasVersion VoR es_ES

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