What has happened?

Tooth is knocked out (Avulsion)

Tooth crown is broken

Tooth is mobile

no visible changes

Tooth is not visible


Tooth is knocked out (Tooth avulsion)

The root surface may not dry off.
Keep the tooth moist immediately.
The root surface may not be touched.
The root surface may never be disinfected.

Search for the tooth!
Put tooth immediately
into a special cell culture medium
Tooth rescue boxes SOS Zahnbox or Dentosafe).

When tooth rescue box is not available:

    sterilized milk

    for limited time a knocked-out tooth may be stored in sterilized milk

    plastic foil

    Wrap in plastic foil to keep the tooth moist

    isotonic saline

    from a physician/pharmacy - do not try to mix it

    totally inappropriate:

    water, dry storage, saliva

When a tooth rescue box is not available on the spot
and the tooth was rescued with one of the above-mentioned methods:

As soon as possible - within 30 minutes -
place tooth in the tissue culture medium of the tooth rescue box!
Before replantation
store tooth at least 30 minutes
in the tissue culture medium of the tooth rescue box!

Tooth is mobile (Loosening of teeth, tooth dislocation)

When teeth are very loose they eventually have to be removed immediately. They may be swallowed or aspirated by the probably numb injured person. Attention! Risk of suffocation!
In these cases put teeth into a tooth rescue medium (see:
Tooth is knocked out).

Dislocated teeth must be repositioned and splinted.

Visit dentist!

Tooth is not visible

The tooth may be knocked out or it is dislocated into the bone of the jaw:

Search the tooth!

Visit dentist immediately. A x-ray shows whether the tooth is knocked out or is in the jaw. When the tooth was knocked out search the tooth! When found put it immediately into the tooth rescue box!

Tooth crown is broken (Crown fracture)

Search for the fragments and store moist (e.g. in the tooth rescue box).

Visit dentist. The fragments may be reattached to the tooth.

No visible changes

Visit dentist, have your teeth examined.

Even when no injuries are visible the tooth may be heavily injured. The root may be fractured (Root fracture). The pulp may die (Pulp necrosis, pulp gangrene).
Complications may occur later. Finally the tooth may be lost.

The tooth injury must be documented, especially in cases of violence or accidents during work or school. Only by well documented dental examinations a possible complication - which may get obvious after several years (!) - may be traced back to the original trauma. Only in these cases the high costs for necessary dental treatments are payed by insurances, aggressors, ...