• The previous health problems of the patient should be inquired (diabetes, hypertension, epilepsy, etc).

• The blood test of the patient should be done.

• It should be evaluated whether the patient is allergic to the local anaesthesia and other medicines to be used in the operation or not.

• It should be inquired whether the patient has psychological illness and uses a psychological medicine or not.

• The patient should not be tired in the day of operation.

• It should be recommended that the patient should quit or decrease smoking before one week.

• The patient should quit taking alcohol or drug about one week ago.

 • The patient should quit taking the medicines having anti aggregant properties such as aspirin before one week.

• It should be reminded that the patient should eat meal about 2 hours before the operation.