What is the recommended treatment for an asymptomatic crowned lateral incisor with a periapical radiolucency (PARL)?

The recommended treatment for an asymptomatic crowned lateral incisor with a periapical radiolucency (PARL) is root canal treatment (RCT). This decision is based on the understanding that a periapical radiolucency typically indicates the presence of infection or inflammation at the root apex, often due to pulpal necrosis or irreversible pulpitis.

Even if the tooth is asymptomatic, the presence of a PARL suggests that the vitality of the pulp is compromised and that the body is responding to an underlying pathological process. RCT aims to eliminate any infection from the root canal system, disinfect it, and then seal it to prevent future occurrences. This treatment preserves the tooth while addressing the condition that may lead to complications if left untreated.

In contrast, observation would not be prudent, as the underlying condition could progress to symptomatic disease or result in further loss of supporting structures. Extraction could be considered if the prognosis of the tooth is poor, but in the case of a crowned tooth where the structure remains intact and valuable, RCT is the more effective preservation method. Provisional restoration is generally a temporary measure and does not deal with the underlying cause of the PARL. Thus, RCT directly addresses the source of the problem while maintaining