At the height of Mayan civilization, body modification included a variety of alterations of the teeth. Teeth were sharpened to points, or into the letter "T" to represent the wind-glyph, and green jade was inlaid to "purify breath or express elegant speech." Other minerals inserted into teeth included iron pyrites, hematite, turquoise, quartz, serpentine, and cinnabar.
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歴史的なヴィンテージ歯科,解剖学のイラスト,History Of Dentistry
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