An abnormality of the morphology of the tooth. The phenotype is Human Phenotype Ontology entry HP_0006482 (Abnormal dental morphology). Also known as: Abnormality of dental morphology, Abnormality of dental shape, Abnormality of shape of tooth, Abnormally shaped teeth, Deformity of teeth, Dental deformity, Dental malformations, Malformation of teeth.