S Y S T E M I C  C O N D I T I O N S
Hypophosphatasia
  Necrotic gingivitis
Cyclic Neutropenia
  Bony loss of the molars
Leukemia
  Radiolucent lesions
Papillon-LeFévre
Histiocytosis X
Down
R I C H A R D  Y O O N
70