<unk>  (also known as "Hypodontia with nail dysgenesis," and "Witkop syndrome") is a rare disorder, with small teeth, and small white nails that are brittle.
Tooth and nail syndrome
Cardiofaciocutaneous syndrome
Onychodystrophy
Woodhouse-Sakati syndrome
Green nail syndrome
Donohue syndrome
Onychogryposis
Oculo skeletal renal syndrome