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The Human Phenotype Ontology (HPO) is downloaded weekly from The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at

Term:Abnormality of the alveolar ridges
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Accession:HP:0006477 term browser browse the term
Definition:Any abnormality of the alveolar ridges (on the upper or lower jaws). The alveolar ridges contain the sockets (alveoli) of the teeth.
Synonyms:exact_synonym: Abnormality of alveolar margin;   Abnormality of dentoalveolar ridges;   Abnormality of gum ridge;   Defect in alveolar ridge
 related_synonym: Abnormality of alveolar processes of jaw
 xref: SNOMEDCT_US:235013007;   UMLS:C0341007;   UMLS:C4280445

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  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of head or neck 0
        Abnormality of the head 0
          Abnormality of the face 0
            Abnormality of the mouth 0
              Abnormal oral morphology 0
                Abnormal oral cavity morphology 0
                  Abnormality of the alveolar ridges 0
                    Alveolar process hypoplasia 0
                    Alveolar ridge overgrowth + 0
                    Atrophy of alveolar ridges 0
                    Broad alveolar ridges + 0
                    Fibrous syngnathia 0
                    Midline notch of upper alveolar ridge 0
                    Progressive alveolar ridge hypertropy 0
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