Sunan Ibn Majah 291
سنن ابن ماجه#291Da'ifIt was narrated that 'Ali bin Abu Talib said:"Your mouths are the paths of the Qur'an, so perfume them with the tooth stick
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Al-AlbaniSahih
Muhammad Fouad Abd al-BaqiSahih
Zubair Ali ZaiDaif
In-book reference: 1:25