It is caused by trauma or dental caries leading to dental pulp necrosis Apical epithelial cells (rests of Malassez) are triggered by pulpal inflammation, forming a Periapical cyst (PC)
Pulp testing, radiological, and histopathologic evaluation
Periapical granuloma, lateral radicular cysts
Root canal treatment, apicectomy, and tooth extraction or cyst removal
DC
It is caused by the accumulation of fluids between follicular epithelium and the crown of an unerupted tooth