Sandbox

Thickness	Depth	Characteristics	Expected Course
Superficial	Epidermis	Pain, redness, mild swelling (no blisters)	Heals without scarring within 7 days
Superficial Partial	Epidermis + superficial dermis (papillary region)	Blisters, painful, good perfusion of dermis with intact cap refill	Heals without scarring in 14-21 days
Deep Partial	Epidermis + deep dermis (reticular region)	Blisters, painful, exposed dermis is pale white-yellow in color Burned area does not blanch (absent cap refill) Sensation diminished to light touch and pinprick but normal pressure sensation	Heals with scarring in 3-8wk May require skin-graft if do not heal within 21d
Full	Epidermis + dermis + hypodermis	Skin is white, leathery, no pain	Always requires skin grafting