With intrusion injuries, the tooth is
pushed into the socket and the alveolar
bone. It may appear shortened or barely visible.
Intrusion has a poor prognosis and
high risk for complications, including
root resorption, pulp necrosis, and
infection. May require a root canal.
With intrusion injuries, teeth may re-erupt. If a primary tooth does NOT re-erupt, it will require extraction to not interfere with permanent tooth eruption.
With an extrusion injury, the tooth
is partially displaced from its socket.Â
This type of injury requires
re-positioning and stabilization.
Refer to a dentist promptly to
evaluate the extent of injury, as well
as any associated injury (e.g.