A hospital can manage airway problems, serious bleeding, and trauma. It usually cannot treat the tooth. Knowing which door to walk through saves hours when it matters.
These are situations where the risk is systemic, not dental.
Trouble breathing or swallowing
Any airway involvement is an emergency.
Swelling spreading to the eye or neck
Especially with fever or feeling unwell.
Bleeding that will not stop
Particularly after an injury or if you take blood thinners.
Significant facial or jaw injury
Suspected fracture, or injury with loss of consciousness.
You cannot open your mouth
Combined with swelling, this needs urgent assessment.
Call a dental office first
These are treated faster, and usually definitively, at a dental office.
Toothache, even severe
A hospital can offer pain relief; it cannot open, drain, or restore the tooth.
Broken or chipped tooth
Repair is dental work.
Lost filling or crown
Almost always a dental visit.
Knocked-out permanent tooth
Time-critical: handle by the crown, keep it moist, call immediately.
Gum swelling without red flags
Needs prompt dental assessment, usually same day.
Wisdom-tooth pain
Assessment and, where needed, same-day specialist referral.
Why the distinction matters
An emergency room can relieve pain and treat infection that threatens the rest of the body. What it generally does not do is treat the tooth itself, which means the underlying problem is still there when you leave. If the situation is not one of the red flags above, calling a dental office usually gets you to the actual fix sooner.
Not sure which one you are?
Call us and describe what is happening. If a hospital is the right place, we will tell you to go there.
General information reviewed by Mankirat Gill, DDS · August 2026. This page does not replace an in-person examination. If you have severe pain, spreading facial swelling, or trouble breathing or swallowing, call us or seek emergency care now.