Congenitally missing teeth--a diagnostic feature in many syndromes of the head and neck.
D000015:Abnormalities, Multiple / Q000175:diagnosis; D000848:Anodontia / Q000175:diagnosis*; D002648:Child; D002675:Child, Preschool; D005145:Face / Q000002:abnormalities*; D005260:Female; D006801:Humans; D008297:Male; D013577:Syndrome