The patients were randomly divided into 3 groups : 5 mg/kg of 2 % prilocaine was applied to Group 1 ; 5 mg/kg of 2 % prilocaine +8 mg of dexamethasone ( 2 ml ) was applied to Group 2 ; and 1.5 mg/kg 0.5 % levobupivacaine was applied to Group 3 .