After standard anesthesia induction and before surgery, patients will receive submucosal infiltration of 12 mL lidocaine 2%, 1mg/kg into nasal cavity.

After standard anesthesia induction and before surgery, patients will receive submucosal infiltration of 12 mL ketamine 0.5 mg/kg plus lidocaine 2% 1 mg/kg of the intranasal cavity.

After standard anesthesia induction and before surgery, patients will receive submucosal infiltration of saline 12 mL into intranasal cavity.

12 mL lidocaine 2% 1mg/kg

Pain scores will examine with Visual analogue scale (VAS, 0-100) in the first 24 hours of postoperative period. The examination will repeated in different time period(5.min, 15.min, 30.min, 1 h, 2h,4.h, 6.h, 8.h, 16.h, 24.h). Patients that have VAS>40 will receive 1mg/kg tramadol.

At the end of postoperative 24 h, the patient satisfaction will examine by a score as (1 poor, 2 middle, 3 good, 4 perfect)

At the first day of postoperative period, analgesic requirement will record. When Visual analogue scale > 40, intravenous 1 mg/kg tramadol bolus will give.

Sedation, nausea and vomiting, dizziness, and hallucination will examine as an adverse effect in all patients.