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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.
Tooth extraction involves completely removing a tooth from the mouth. People may require tooth extraction for many reasons, ranging from tooth decay to crowded teeth.
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.
Everest Whiting