Effect of experimental moringa and propolis toothpastes on surface microhardness of simulated hypersensitive dentin

Objective Objective was to investigate the effect of NovaMin toothpaste and two experimental toothpastes on surface microhardness of hypersensitive dentin. Methods Eighty specimens were prepared and divided randomly into eight groups ( n = 10/group) according to the tested toothpastes (NovaMin, mor...

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Bibliographic Details
Published in:	Bulletin of the National Research Centre Vol. 45; no. 1; pp. 1 - 7
Main Authors:	Riad, Hoda R., Mosallam, Osama S., Salama, Alaa H., Moharam, Lamiaa M., Zaazou, Mohamed H, Niazi, Hanan A., Ibrahim, Mokhtar N.
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 20-12-2021 Springer Nature B.V SpringerOpen
Subjects:	Acids Citric acid Cycles Dentifrices Dentin Dentin hypersensitivity Dentistry Enamel Humanities and Social Sciences Microhardness Moringa multidisciplinary pH effects Propolis Saliva Science Science (multidisciplinary) Statistical analysis Toothpaste Toothpastes Variance analysis Toothpastes Dentin hypersensitivity Microhardness Propolis Moringa
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Summary:	Objective Objective was to investigate the effect of NovaMin toothpaste and two experimental toothpastes on surface microhardness of hypersensitive dentin. Methods Eighty specimens were prepared and divided randomly into eight groups ( n = 10/group) according to the tested toothpastes (NovaMin, moringa and propolis toothpastes) and the acidic challenge (with or without 6% citric acid challenge). Enamel surfaces were removed, and the dentin surfaces were exposed on which the three tested toothpastes were brushed twice a day for 1 week using an electric toothbrush, then a 4-d citric acid cycling model with pH 5 was performed. The prepared specimens were stored in artificial saliva until the microhardness test was performed. Statistical analysis was done using One-way ANOVA followed by Tukey post hoc test. Results NovaMin-containing toothpaste showed an increased dentin surface microhardness following a week of twice daily brushing compared to other groups. However, NovaMin-containing toothpaste showed the highest microhardness values following pH cycling with citric acid of pH 5 compared to other tested groups. Conclusions NovaMin-containing toothpaste showed a partial recovery of dentin microhardness at pH 5 during the acidic challenge. Moreover, propolis- and moringa-containing toothpastes had an insignificant effect on dentin surface microhardness with and without citric acid challenge.
ISSN:	2522-8307 2522-8307
DOI:	10.1186/s42269-021-00681-0