Fig. 2From: Outcome of nonsurgical management of large cyst-like periapical lesions using a modified apical negative pressure irrigation system: a case series study(A) The view of the exposed maxillary molar pulp chamber before ANPI. (B) ANPI during the irrigation process. The microtube on the left was used to extract the irrigation solution (left). A 5 mL syringe serves to deliver exogenous irrigation fluid to the upper region of the root canal (right)Back to article page