Tongue lacerations that require repair include those in which there is Avulsion or partial amputation Persistent bleeding Problematic configurations (eg, the lacerations are bisecting, gaping, u-shaped, or include large flaps) Wound size > 2 cm (smaller, if involving a split in the tip of the tongue) Nonsurgical treatment Superficial tongue lacerations due to a broken tooth or filling are treated by filing (smoothing) the tooth or repairing the filling.