Sunan Abi Dawud 52
سنن أبي داود#52Hasanحَدَّثَنَا مُحَمَّدُ بْنُ بَشَّارٍ، حَدَّثَنَا مُحَمَّدُ بْنُ عَبْدِ اللَّهِ الأَنْصَارِيُّ، حَدَّثَنَا عَنْبَسَةُ بْنُ سَعِيدٍ الْكُوفِيُّ الْحَاسِبُ، حَدَّثَنِي كَثِيرٌ، عَنْ عَائِشَةَ، أَنَّهَا قَالَتْ كَانَ نَبِيُّ اللَّهِ صلى الله عليه وسلم يَسْتَاكُ فَيُعْطِينِي السِّوَاكَ لأَغْسِلَهُ فَأَبْدَأُ بِهِ فَأَسْتَاكُ ثُمَّ أَغْسِلُهُ وَأَدْفَعُهُ إِلَيْهِ .
Aishah narrated:"The Prophet of Allah (ﷺ) would clean his teeth with the Siwak, then he would give me the Siwak in order to wash it. So I would first use it myself, then wash it and return it
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
In-book reference: 1:52