What to know about tooth extraction

Dentists and oral surgeons perform tooth extractions for many reasons. The issue may be a painful wisdom tooth or a tooth that has been badly damaged by decay. In some cases, a dentist will remove a tooth to make space for dental prosthetics or braces.

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How does tooth enamel last a lifetime?

Tooth enamel is the hardest substance in the human body, but, until now, no one knew how it managed to last a lifetime. The authors of a recent study conclude that enamel's secret lies in the imperfect alignment of crystals.

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Xylitol: Uses, effects, and possible benefits

Xylitol is a lower-calorie sugar substitute with a low glycemic index. Some research suggests that it may also improve dental health, prevent ear infections, and possess antioxidant properties.

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