Shiva Purana
अबाधे विजने देशे कुर्यादावश्यकं ततः ॥ कृत्वा शौचं विधानेन दंतधावनमाचरेत् ॥ ३ ॥
In a secluded spot where there is no hindrance he shall evacuate his bowels. After washing in accordance with the rules he shall clean the teeth.
english translation
abAdhe vijane deze kuryAdAvazyakaM tataH ॥ kRtvA zaucaM vidhAnena daMtadhAvanamAcaret ॥ 3 ॥
hk transliteration by Sanscript