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.
Address389 Hyde Park Rd. London, ON N6H 3R8
Address215 Fanshawe Park Rd. W. London, ON N6G 5A9
