The drug was sprayed in the buccal vestibule across the area between the primary first and second molars in all four quadrants to maximize the absorption through wide area of the buccal mucosa.

Assessed by a 3 point Likert scale as follows: (1) the child accepted the drug readily. 2 (fair) the child accepted the drug with some resistance. 3 (poor) the child accepted the drug with great resistance. 4 (refused) the child refused but drug administration was possible after persuasion.

This will be assessed using modified Houpt scale for behavior rating:

1. Awake, alert.
2. Drowsy, disoriented.
3. Intermittently asleep.
4. Sound asleep.

This will be assessed using modified Houpt scale for behavior rating:

1. Hysterical, demands attention.
2. Continuous, making treatment difficult.
3. Intermittent, mild, does not interfere with treatment.
4. No crying present.

This will be assessed using modified Houpt scale for behavior rating:

1. Turns head, refuses to open mouth.
2. Mouth closing, must request to open.
3. Chocking, gagging, spitting.
4. No head/oral resistance present.

This will be assessed using modified Houpt scale for behavior rating:

1. Aborted, no treatment performed.
2. Very poor, treatment interrupted, partial treatment completed.
3. Fair, difficult, all treatment completed.
4. Good, some limited crying or movement.
5. Excellent, no crying or movement.