Congenital Abnormality
hypodontia
Definitions related to hypodontia:
  • The absence of five or less teeth from the normal series by a failure to develop.
    Human Phenotype Ontology (HPO)
    The Human Phenotype Ontology Project, 2025
  • The congenital absence of one or a few teeth with the exclusion of third molars.
    NCI
    U.S. National Cancer Institute, 2021
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