Charak Samhita
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.
english translation
zasyante dantapavane ye cApyevaMvidhA drumAH। suvarNarUpyatAmrANi trapurItimayAni ca ॥74॥
hk transliteration by Sanscript