Dantakaṭṭhasutta
“Pañcime, bhikkhave, ādīnavā dantakaṭṭhassa akhādane. Katame pañca? Acakkhussaṁ, mukhaṁ duggandhaṁ hoti, rasaharaṇiyo na visujjhanti, pittaṁ semhaṁ bhattaṁ pariyonandhati, bhattamassa nacchādeti. Ime kho, bhikkhave, pañca ādīnavā dantakaṭṭhassa akhādane.
Chew Sticks
“Mendicants, there are these five drawbacks of not using chew sticks. What five? It’s not good for your eyes, you get bad breath, your taste-buds aren’t cleaned, bile and phlegm cover your food, and you lose your appetite. These are the five drawbacks of not using chew sticks.