TONGUE THRUST HABIT - A review.

There is interrelation ship between the form and function. The different abnormal habits may effect the form of orofacial structures. The presence of one oral habit may induce the other. In this review article a new induction chart is prepared to show the interrelation between different abnormal habits and their effect on form. The chart also in turn explains how form can lead to development of different habits. Thus there is interrelation ship between form and function.