Which luxation injury carries the worst prognosis for pulpal and periodontal healing?

Intrusive luxation drives the tooth into the socket, severely damaging the pulp and periodontal ligament and frequently leading to pulp necrosis, ankylosis, and replacement resorption, giving it the worst prognosis.Other options: Concussion and subluxation are mild; extrusion has a better prognosis than intrusion.Key exam takeaway: Intrusion = worst luxation prognosis (necrosis, ankylosis, resorption).