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Enamel

Enamel adalah jaringan keras dan tembus cahaya yang menutupi crown gigi. Ini merupakan jaringan terkeras dalam tubuh manusia. Enamel berperan dalam menentukan warna gigi, yang dapat berubah akibat konsumsi kopi, teh, anggur merah, dan zat pewarna lainnya.

Composition:

Enamel is one of the most important tissues in a tooth. This is also the hardest tissue in the human body. It covers the crown. Below the enamel are dentin and the pulp chamber. Enamel is a semi-translucent substance that contains a high level of minerals in the ingredient list. Since the enamel is semi-translucent, dentin has a large impact on the color of teeth. Enamel contains 96% minerals, the larger part made of hydroxyapatite crystals and a small part of calcium phosphate. The remaining 4% is water and organic substances. This hard structure prevents substances to enter the tooth and reach the dentin and pulp. It also makes teeth very resistant to decay. Enamel has different thickness in different parts of the crown. The thickness is usually the biggest on the cusps and it becomes thinner moving towards the cervix of the tooth. It is thinnest in the area of the cementoenamel junction. This substance can have a different color starting with yellowish, to a hint of blue. Dentin is not present in the incisal edge of the incisors, so that is why those parts can be a little bit see-through. The enamel is created before the tooth erupts. It does not contain any nerves or blood vessels.

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