#tooth_root__toothroot__root  the part of a tooth that is embedded in the jaw and serves as support
  supertype:  anatomical_structure__structure__complex_body_part__bodily_structure__body_structure  a particular complex anatomical structure; "he has good bone structure"
  part:  cementum
  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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