The Sufficient (Vol 3) · Hadith 112 (#Ḥadīth #5)

5ـ عَلِيٌّ بِإِسْنَادِهِ قَالَ أَدْنَى السِّوَاكِ أَنْ تَدْلُكَ بِإِصْبَعِكَ.

5. Ali through his chain of narrators has narrated the following: “He (the Imam) , has said, ‘The least for brushing is using one’s fingers as a tooth brush.”

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).