Table 1:

Burn classification and healing response

Burn classification	Depth	Wound appearance	Spontaneous wound closure (Yes/No)
1st degree
Superficial	Epidermis	Red, dry, painful, turns white when pressed	Yes; epidermal regeneration
2nd degree
Superficial partial-thickness	Papillary (superficial) dermis	Red, moist, blistering, painful, turns white when pressed	Yes; epithelialization with no or negligible scar
Deep partial-thickness	Reticular (deep) dermis	Red and white, blistering, painful	Yes (only if not large); epithelialization and scar formation
3rd degree
Full-thickness	Dermis and subdermal tissues	White, leathery or charred, dry, no pain	No