| If there has been no subperiosteal abscess, the dressing need not be removed for forty-eight hours. |
| The most characteristic hemorrhage, the subperiosteal, will be fully discussed when considering the bone lesions. |
| Growth is by substitution at the proximal end and by subperiosteal lamellation circumferentially. |
| The cephalic portion was thinned and placed in a precise subperiosteal pocket over the central nasal bones. |
