Effect of a sonic toothbrush on the abrasive dentine wear us
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Brushing with a sonic toothbrush could result in higher abrasive dentine wear compared to a manual toothbrush finds a study when it is used with high abrasive toothpastes.

This in vitro study aimed to investigate the effect of a sonic toothbrush on the resulting abrasive dentine wear using toothpastes with different abrasivities compared to the use of a manual toothbrush.

Ninety-six bovine dentine samples were divided into six groups and subjected to a brushing sequence as follows: group 1: Elmex Sensitive Plus + manual toothbrush; group 2: Elmex Sensitive + sonic toothbrush; group 3: Elmex Kariesschutz + manual toothbrush; group 4: Elmex Kariesschutz + sonic toothbrush; group 5: Colgate Total Original + manual toothbrush; and group 6: Colgate Total Original +sonic toothbrush. The abrasive dentine wear was measured profilometrically.

- The median abrasive dentine wear was as follows: Elmex Sensitive Plus; Elmex Kariesschutz; and Colgate Total Original.

- Differences in dentine wear between sonic and manual toothbrushes were statistically significant only in the groups brushed with Elmex Kariesschutz and Colgate Total Original.

Conclusively, brushing with a sonic toothbrush could result in higher abrasive dentine wear compared to manual toothbrushes when combined with toothpastes with high abrasivity values.

International Journal of Dental Hygiene
Source: https://doi.org/10.1111/idh.12531
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