The soft, slightly grainy paste that you squeeze on your brush is the latest in a long line of tooth-cleaning substances whose first recorded use was around the time of the ancient Egyptians. Those early mixtures had ingredients like crushed bones, pumice and ashes — but you won't find that any more. Modern toothpastes have evolved into an effective means of cleaning teeth and preventing decay. Today, most have a similar set of active ingredients, including:
Besides their active ingredients, most toothpastes also contain preservatives, binders, and flavorings — without which they would tend to dry out, separate… or taste awful. In addition, some specialty toothpastes have additional ingredients for therapeutic purposes.
What's the best way to choose a toothpaste? The main thing you should look for is the American Dental Association (ADA) Seal of Acceptance on the label. It means that the toothpaste contains fluoride — and that the manufacturer's other claims have been independently tested and verified.
But once you've chosen your favorite, keep this bit of dental wisdom in mind: It's not the brush (or the paste) that keeps your mouth healthy — it's the hand that holds it. Don't forget that regular brushing is one of the best ways to prevent tooth decay and maintain good oral hygiene.