<prompt> According to Gutmans classification periapical surgery includes all except:Periapical curettageRoot end resection.Root end preparation.Perforation repair.  <response>: GOT MANS CLASSIFICATION1. Fistulative surgeryI DCortical TrephinationDecompression Pracedure2. ieri Apical SurgeryPeriapical curellageRoot end ResectionRoot end PreparationRoot end Filling3. Corrective SurgeryPerformation RepairsPathological Performance RepairIatrogenic Performance RepairRoot ReseationRadisection HeHemi section BicuspidizationIntertional Replaniation. 