Apical periodontal cyst arise from:
- a. Hertwig sheath.
- b. Epithelial cell rest of malassez.***
Apical periodontal cyst= periapical cyst = radicular cyst: these inflammatory cysts derive their epithelial lining from the proliferation of small odontogenic epithelial residues (rests of Malassez) within the PDL.
Labels
Promatric