These statements are supported by research on hydroxyapatite's remineralization benefits, physical whitening agents' stain removal properties, the benefits of xylitol for oral health, and botanical extracts for gum health.
* Cochrane Oral Health Review (2020) found a 21% reduction in plaque at 3 months when using electric toothbrushes vs. manual brushes.
** Journal of Clinical Periodontology 11-year study (2019) observed 18% less tooth decay progression in long-term electric toothbrush users.
*** The same 11-year study also showed 22% less gum recession with electric toothbrush use.
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