Comorbid conditions are a risk for osteonecrosis of the jaw unrelated to antiresorptive therapy.

Objective: Osteonecrosis of the jaw (ONJ) is commonly associated with antiresorptive therapy. There have been numerous reports of ONJ unrelated to antiresorptive therapy (ONJ), confounding risk assessment. This study aimed to determine if ONJ is associated with one or more particular comorbidities.