All you really need is a small amount of fluoride to help harden enamel and the rest is just a mild abrasive to help brush away deposits. Everything else is marketing. There’s not much new technology in toothpaste so it’s all personal taste. Just regular brushing and flossing is all you need to keep good dental hygiene.
Two things I think are worthwhile: ultrasonic electric toothbrushes. These seem very effective compared to regular hand brushing.
Tongue scraper – just a simple cheap plastic one used daily helps with cleaning off deposits on your tongue and helps freshen breath.
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