avulsie

Avulsie, also known as avulsion, is the forcible tearing away of a body structure from its normal attachments. The term comes from Latin avulsio. In medicine, avulsions can involve teeth, skin or soft tissue, limbs, or other structures, and the clinical implications depend on the tissue involved and the duration of ischemia or contamination.

Dental avulsion refers to complete displacement of a tooth from its socket after trauma. It most often affects children and adolescents. Primary teeth are usually not replanted; permanent teeth may be replanted when feasible. First aid emphasizes handling the tooth by the crown (not the root), rinsing if dirty, and avoiding scrubbing. Replantation should be performed as soon as possible. If immediate replantation isn’t possible, the tooth should be stored in a suitable medium such as milk, saliva, or a specialized storage solution and urgent professional care sought. After replantation, stabilization with a flexible splint and follow-up care are standard, with root canal treatment considered for mature teeth to reduce infection and resorption risks.

Soft tissue avulsions involve the tearing away of skin or mucosa, such as scalp or fingertip injuries. Management focuses on bleeding control, wound cleaning, gentle handling, and protection of the avulsed tissue for possible reattachment by specialized surgeons. Tetanus status and antibiotics may be considered based on injury and contamination.

Limb or digit avulsions are more extensive injuries that may be amenable to microsurgical reattachment in specialized centers. Immediate priorities are hemodynamic stabilization, controlling bleeding, and preserving the avulsed part in a sterile, damp container if transport to a trauma facility is required. The success of reattachment depends on tissue viability and the time elapsed since injury.

Prognosis varies with tissue type, mechanism, and treatment timeliness. See also avulsion fracture and related trauma terminology.