Sunan Abi Dawud 4140
سنن أبي داود#4140SahihNarrated 'Aishah: The Messenger of Allah (ﷺ) liked to begin with the right side as far as possible in all conditions: in his purification, and combing. The narrator Muslim added: "in using tooth-stick," and he did not mention "in all his conditions". Abu Dawud said: Shu'bah transmitted it from Mu'adh, but did not mention "his 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 Muhyi Al-Din Abdul HamidSahih
Shuaib Al ArnautSahih
Zubair Ali ZaiSahih Bukhari (168) Sahih Muslim (268)
In-book reference: 34:121