Name the injury seen in the colour plate:
A crack line or chip of the enamel is the key clinical feature of enamel infarction.
ENAMEL INFARCTION
CLINICAL FINDINGS: Visual examination by DYES (Methylene Blue). Tooth is not tender on percussion. If tender on percussion, check for luxation injury/root fracture.
TREATMENT: Etching and sealing with resin to prevent discoloration of infarction line.
Crown fracture
Enamel infraction
Crown fracture without pulp exposure
None