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What Are Teeth Made Of?

By Akshima Sahi, BDS, www.news-medical.net Teeth contribute to the important functions of food mastication, swallowing, digestion, speech, and aesthetics in humans. Each tooth component serves a specific purpose. The development of human teeth begins in the womb. Children generally have their primary tooth (deciduous tooth) eruption around 6 months of age. By the age of 12, most primary teeth have been lost and secondary teeth continue to replace those teeth until adulthood. The human tooth is divided into three different parts: *Crown – This is the visible portion of the tooth. It covers nearly two-thirds of the total tooth structure. The crown lies above the gums (gingiva). *Neck- The small and narrow portion lying between the crown and root of…