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Nonsurgical therapy for the perforative defect of internal resorption.

Cleansing and shaping of the intracanal environment and reduction of the canal space with a temporary paste seal are used to effect the healing of a perforative defect of internal resorption. The nonsurgical procedure is accomplished in several appointments during which the canal space is refiled and filled with a calcium hydroxide paste. At the final appointment, a root canal sealer is applied, and a gutta-percha cone is inserted with use of a lateral and a vertical condensation procedure.