Sunan Abi Dawud 2364
سنن أبي داود#2364Da'ifحَدَّثَنَا مُحَمَّدُ بْنُ الصَّبَّاحِ، حَدَّثَنَا شَرِيكٌ، ح وَحَدَّثَنَا مُسَدَّدٌ، حَدَّثَنَا يَحْيَى، عَنْ سُفْيَانَ، عَنْ عَاصِمِ بْنِ عُبَيْدِ اللَّهِ، عَنْ عُبَيْدِ اللَّهِ بْنِ عَامِرِ بْنِ رَبِيعَةَ، عَنْ أَبِيهِ، قَالَ رَأَيْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَسْتَاكُ وَهُوَ صَائِمٌ . زَادَ مُسَدَّدٌ مَا لاَ أَعُدُّ وَلاَ أُحْصِي .
Narrated Amir ibn Rabi'ah: I have seen the Messenger of Allah (ﷺ) using a tooth-stick while he was fasting. Musaddad added in his version: "more often than I could count
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: 14:52