2. Extra oral method:
The other simple methods are:
Painting the child’s thumb or finger with an
unpleasant tasting substance.
Tapping the thumb with plaster so as to prevent
thumb sucking.
The above-mentioned methods will succeed depending upon
the attitude of the parent. The parents should in someway
reward the child for “growing out of the habit” during
the procedure both by their action and by a small token
prize.