Cross-sectional study shows prevalence of periapical mucositis in patients with apical periodontitis, indicating associated risk factors.
PAM was present in over half of patients presenting with apical periodontitis affecting the posterior maxillary dentition. Maxillary sinus bony floor erosion and periapical lesion size were predisposing factors to PAM development.
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Mora et al. (2026) studied this question.
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