مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ مُحَمَّدِ بْنِ خَالِدٍ وَ الْحُسَيْنِ بْنِ سَعِيدٍ جَمِيعاً عَنِ الْقَاسِمِ بْنِ عُرْوَةَ عَنْ إِسْحَاقَ بْنِ عَمَّارٍ عَنْ أَبِي عَبْدِ اللَّهِ ع قَالَ:
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السِّوَاكُ مِنْ سُنَنِ الْمُرْسَلِينَ.
Read English translationHide English translationMuhammad Sarwar — attributed by Thaqalayn
2. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from Muhammad ibn Khalid and al-Husayn ibn Sa‘id all from al-Qasim ibn ‘Urwah from Ishaq ibn ‘Ammar who has said the following: “Abu ‘Abd Allah (a.s.), has said, ‘Brushing one’s teeth is of the Sunnah and moral discipline of the prophets.’”
Translation: Muhammad Sarwar — attributed by Thaqalayn·The Arabic above is the original.
Hadith gradings
1- مجهولAllamah Baqir al-MajlisiMirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (2/395)