Charak Samhita
द्वौ कालौ दन्तपवनं भक्षयेन्मुखधावनम्। तद्वत् प्रक्षालयेदास्यं धारयेत् कवलग्रहान् ॥१३५॥
These are as follows: 1. Tooth-twigs should be used twice a day for brushing one’s teeth and then use mukhadhavana (drugs chewed for alleviating vitiated doshas in the mouth).
english translation
dvau kAlau dantapavanaM bhakSayenmukhadhAvanam। tadvat prakSAlayedAsyaM dhArayet kavalagrahAn ॥135॥
hk transliteration by Sanscript