DO_rare_slim has material basis in autosomal dominant disease dentin dysplasia type IB MESH:C538215 DOID:0070705 ORDO:99789 GARD:1807 MIM:621440 A dentin dysplasia characterized by teeth with crowns that have normal morphology and roots that are short, blunt, and malformed, resulting in tooth hypermobility and subsequent exfoliation of permanent dentition starting in the second decade that has_material_basis_in heterozygous mutation in the VPS4B gene on chromosome 18q21. UMLS_CUI:C6065939 UMLS_CUI:C6065939 UMLS_CUI:C0399379 MIM:621440 disease_ontology dentin dysplasia autosomal dominant inheritance