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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.
Gum disease is common and unpleasant, but, according to a growing body of evidence, it could also play a role in a surprising range of seemingly unrelated health problems.
Teeth help a person use their mouth to eat, speak, smile, and give shape to their face. Each type of tooth has a name and a specific function.
Teeth are an important part of physical appearance for many people, and they want to show a bright white smile. However, a new study reveals that many tooth whitening products can damage the teeth.