Incisors due to external forces have cracks very painful need to go to the hospital for examination and filming, if the cracks reach the pulp cavity need root canal treatment, usually also need to adjust the jaw fixed observation. If it cannot be retained, it should be extracted.
Incisor impact by external forces to produce cracks will make the teeth appear dental shock, periodontal membrane widening, tooth pain, at this time the need to adjust the fixed, to reduce the jaw teeth on the teeth of the biting force.
If the crack reaches the dentin layer, there may be soreness and pain, which requires cavity preparation and resin filling. If the crack reaches the pulp cavity, it may cause pulpitis, which requires root canal treatment to remove the pulp.
If the crack reaches the pulpal cavity, it may cause pulpitis and require root canal treatment to remove the pulp. If the crack is deeper and accompanied by splitting of the tooth to the subgingival level or longitudinal fracture of the root, it should be removed.
Cracked incisors need to be treated in a timely manner to avoid inflammation or the spread of inflammation that can exacerbate pain.