Large cuts may require sutures and should be done by a maxillofacial surgeon for a good cosmetic result, particularly when the laceration is on the edge of the lip line (vermilion).
A crush wound may have irregular margins like a laceration; however, the wound will be deeper and trauma to muscle and bone may be apparent.
A laceration too may have little or profuse bleeding, the tissue damage is generally greater, and the wound's ragged edges do not readily line up.
In 60 percent of patients with subungual hematomas that involve more than 50 percent of the nail surface, laceration is repairable.
A person can suffer a laceration (cut) to the lips or tongue or loosening of teeth or have teeth knocked out.
Sutures: Laceration wounds are stitched (sutured) after application of a digital block.
Here is a very detailed tutorial that results in a very real, very graphic laceration.
A typical dog bite results in a laceration, tear, puncture, or crush injury.
These methods of treatment require to be modified for wounds in special situations and for those in which there is much contusion and laceration.