Most lacerations are minor, and repairable by primary wound closure. Primary closure technique attempt to bring the wound edges together neatly and evenly, stop any bleeding, preserve function of the tissue, prevent infection, restore cosmetic appearance, and promote rapid healing.s a general rule, lacerations on any part of the body may be closed primarily for up to 12 hours following the injury. Facial wounds may be closed primarily up to 72 hours following the injury.