Apical microsurgery with cystic lesion removal of the 3.4. Hemostasis with ferric sulphate. Retrograde filling with MTA Endosequence Putty. Bone regeneration with PRP + Membrane. Follow up at 6 months: element 3.4 asymptomatic and element 3.3 vital.
Management of an idiopathic external cervical resorption in the aesthetic area. 90% trichloroacetic acid to remove granulation tissue, composite restoration of the defect and root canal treatment.