Behavior modification of patients will be done by showing them smartphone application game. The game demonstrates the use of common dental equipment like mirrors, ultrasonic scalers, handpieces and suction tips, etc. in the form of animated pictures with visual and sound effects. The dentist will play the game to show the child the dental procedure that will be performed on him later.

Using traditional behavior management techniques (Tell-Show-Do) which will be applied prior to local anesthesia administration

Using smart phone application

The number of times the "anxious" figure will be chosen a score of one will be assigned and then totaled to give a final score (minimum score - zero; maximum score - eight) for each patient.

The final score will be interpreted as follow: 8 (Very high anxiety), Equal to or more than 6 and less than 8 (High anxiety), Equal to or more than 4 and less than 6 (Average), Equal to or more than 2 and less than 4 (Low anxiety), More than 0 and less than 2 (Very low anxiety) and 0 (No anxiety).

recorded by using pulse oximeter as a potential secondary measure of anxiety (physiological parameter).