Man Lā Yaḥḍuruh al-Faqīh

Hadith 121
wudu
123 - وَقَالَ اَلنَّبِيُّ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ: «لَوْ لاَ أَنْ أَشُقَّ عَلَى أُمَّتِي لَأَمَرْتُهُمْ بِالسِّوَاكِ عِنْدَ وُضُوءِ كُلِّ صَلاَةٍ.
Hadith.123 - The Prophet (sw) said: "If it were not burdensome for my community, I would have commanded them to use siwak (tooth cleaning) with each wudu (ablution) before every prayer."
Source: Shaykh Muḥammad b. ʿAlī al-Ṣaduq