In Ayurveda, Kavala and Gandusha are the procedures described in Dincharya i.e. the daily regimen and are useful in prevention of the diseases of the mouth, teeth and the gums. Filling the mouth in the morning with oil or medicated water daily and holding for a few minutes without moving it inside the oral cavity is called Gandusha. Oil pulling (Gandusha) has been used to prevent decay, oral mal odor, gum bleeding, dryness of throat, cracked lips and for strengthening the teeth, gums and the jaw. It is a simple daily regimen, which, when done routinely, enhances the senses, brings about a feeling of freshness and maintains clarity in the voice. After adopting this procedure properly, one feels lightness and clarity in the mouth. It also relieves pain and discomfort. A Gandusha is to be held inside the oral cavity till there is uncontrollable salivation, secretions of tears from the eyes or mucous/watery discharge through the nose.
On the other hand, Kavala is a procedure of holding comparatively small quantity of liquid in the mouth; make it move briskly inside and spitting out quickly. Decoction of Khadira (Acacia catechu L.) or Kshirivrikshas like Nyagrodha (Ficus bengalensis L.), Udumbara (Ficus glomerulata Roxb.), etc. may be used daily for Kavala. It removes loss of appetite, bad taste, dirt and excess salivation from the mouth.
Dr. Shweta Mata