The Compendium of Caraka 1.5.108

1.5.108

nasyakarmaguṇā nastaḥkāryaṃ yacca yathā yadā/
bhakṣayeddantapavanaṃ yathā yadyaṅguṇaṃ ca yat//

the benefits of errhine therapy, what should be done through the nose, how and when;
how one should chew the tooth-cleaning stick, which [kind], and with what qualities;