Читать книгу Handbook of Oral Pathology and Oral Medicine - S. R. Prabhu - Страница 47
1.5.3 Aetiology/Risk Factors
ОглавлениеTaurodontism:Failure of Hertwig's epithelial root sheath diaphragm to invaginate at the proper horizontal levelNo genetic association
Dilaceration:IdiopathicInjury that displaces the calcified portion of the tooth germ from the uncalcified portion resulting in an abnormal angle of the root