Patient 1. (a) 13-year-old boy with PDA and valvular aortic stenosis. Normal facial appearance. (b) Pedigree of Patients 1 (II-1) and 2 (I-2). (c) Echocardiography shows valvular aortic stenosis. Yellow arrows indicate thickening and doming of aortic valves. LV, Left ventricle, AO, aorta, LA, left atrium. (d) Microdontia of the maxillary permanent canines (yellow arrows) (e) Panoramic radiograph shows short anterior tooth roots (white arrow heads) and taurodontism in the maxillary molars (yellow arrows).