[Oral hygiene: Method of cleaning teeth, tongue and directions for tooth brush use] One should clean the teeth with a green twig having a crushed end and of astringent, pungent or bitter taste, twice a day without injuring the gums.
This removes halitosis, dysgeusia, induces taste for food by removing the impurities from the tongue, the mouth and the teeth, and cleans the teeth instantaneously.
शस्यन्ते दन्तपवने ये चाप्येवंविधा द्रुमाः| सुवर्णरूप्यताम्राणि त्रपुरीतिमयानि च ||७४||
Karanja (Pongamia pinnata Pierre-Indian beech), karavira (Nerium indicum Mill-Indian oleander), arka (Calotropis gigantean Linn -madar), malati (Aganosma dichotoma Roth-Arabian jasmine), arjuna (Terminalia arjuna Roxb), asana (Terminalia tomentosa W&A-spinout kini-tree) and such other trees are recommended for use in teeth-cleansing.