#tooth_enamel__toothenamel__enamel  hard white substance covering the crown of a tooth
  supertype:  solid_body_substance  the solid parts of the body
  part of:  crown.top  the enamel covered part of a tooth above the gum
     part of:  tooth  hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

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