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Revista Estomatológica Herediana

Print version ISSN 1019-4355


ACUNA FLORES, Shareen Melannie; TAY CHU JON, Lidia Yileng; CCAHUANA-VASQUEZ, Renzo Alberto  and  DELGADO-COTRINA, Leyla. Erosive potential of juices of amazonian fruits. Rev. Estomatol. Herediana [online]. 2020, vol.30, n.3, pp.187-195. ISSN 1019-4355.

Dental erosion is the irreversible loss of the surface of the enamel or dentin, due to frequent exposure of non- bacterial acids. Although certain fruit juices have erosive potential in vitro, there is no conclusive evidence in this regard.


To evaluate in situ the erosive potential of Amazonian fruit juices on dental enamel.

Material and methods:

The Vickers surface microhardness (VMH) of dental enamel was evaluated in situ after exposure to drinks Physalis Peruviana (aguaymanto), Averrhoa Carambola (carambola), Myrciaria Dubia (camu camu), Coca cola (positive control) and distilled water (negative control). Fifteen volunteers (18 to 30 years) participated who wore palatal appliances to reproduce the storage medium. Each one containing 6 enamel blocks. The appliances were exposed to the different drinks 4 times a day (9:00 am, 11: 00 am, 13:00 pm and 15:00 pm) for 5 minutes during 5 days. For each erosive cycle, they were exposed to two drinks, immediately the palatal devices were repositioned in the participants’ mouth. There was an 8-day washout period between each cycle. The difference in VMH before and after exposure was calculated. The ANOVA/Tukey analysis was used to determine the differences between beverages in the SPSS 19 program, with a significance level of 0.5%.


The four experimental groups decreased enamel VMH (p<0.05) without significant difference between them.


The juices based on camu camu, aguaymanto and carambola are potentially erosive.

Keywords : Tooth erosion; fruit and vegetable juices; hardness.

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