Diagnosis and treatment of lateral periodontal cyst: Report of three clinical cases

Abstract

Purpose: Lateral periodontal cyst (LPC) is an uncommon type of odontogenic cyst of development that typically occurs laterally on the root surface of a tooth, representing 0.8% of cysts in the jaws. The objective of this article was to describe the diagnosis of three cases of LPC based on the combined results of pulp vitality test, radiographic examination, and histopathologic analysis, and to display the treatment of these cases.

Case description: The physical, radiographic, and histopathological examinations were carried out in all the three clinical cases presented, confirming the diagnosis of LPC. Surgical enucleation was performed on the three lesions. In the follow-up of the two last cases, there was complete bone regeneration and no recurrences.

Conclusion: Although the occurrence of lateral periodontal cyst is rare, the precision of its diagnosis is necessary so that the correct treatment can be established.