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Periapical (radicular) cyst

Periapical (radicular or apical periodontal) cysts are by far the most common cysts of the jaws. These inflammatory cysts derive their epithelial lining from the proliferation of small odontogenic epithelial residues (rests of Malassez) within the periodontal ligament.

Cysts of inflammatory origin

Radicular cyst

Residual radicular cyst

Inflammatory collateral cysts

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