Incomplete crack or fracture within the enamel without loss of structure.

Fracture confined to the enamel without involving underlying dentin.

Fracture involving enamel, dentin, and pulp with exposure of the pulp tissue.

Fracture involving enamel and dentin without pulp exposure.

A fracture involving enamel, dentin, cementum, and pulp.

A fracture involving enamel, dentin, and cementum, without pulp exposure.

Fracture confined to the root, often classified based on location (cervical, middle, or apical third)

Complete displacement of the tooth from its socket, often accompanied by damage to surrounding tissues.

Fracture involving the alveolar bone, often including the sockets of multiple teeth.

Displacement of the tooth into the alveolar bone, damaging periodontal ligament and possibly the neurovascular bundle.

Displacement of the tooth in a direction other than its long axis, often with alveolar bone fracture.

Partial displacement of the tooth out of its socket along the long axis.

Damage to tooth-supporting structures resulting in increased mobility but no displacement.

Injury to tooth-supporting structures without displacement or mobility; no visible damage to the tooth.