8ـ رسولُ اللهِِ (صَلَّيَ اللهُ عَلَيهِ وَ آلِهِ): السِّواكُ يَزِيدُ الرَّجُلَ فَصاحَةً.
8– The Prophet (SAWA) said, 'Brushing one's teeth increases one's articulacy.’[Bihar al-Anwar, p. 135, no. 48]
9ـ الإمامُ الصّادقُ (عَلَيهِ الّسَلامُ): في السِّواكِ اثنَتا عَشرَةَ خَصلَةً: هُو مِنَ السُّنَّةِ ، و مَطهَرَةٌ لِلفَمِ ، ومَجلاةٌ لِلبَصَرِ ، ويُرضِي الرحمنَ ، ويُبَيِّضُ الأسنانَ ، ويَذهَبُ بِالحَفرِ ، ويَشُدُّ اللِّثَّةَ ، ويُشَهِّي الطَّعامَ ، ويَذهَبُ بِالبَلغَمِ ، ويَزيدُ فيالحِفظِ ، ويُضاعَفُ بهِ الحَسَناتُ ، وتَفرَحُ بهِ المَلائكةُ.
9– Imam al-Sadiq (AS) said, 'There are twelve distinctive features to brushing one's teeth: it is a recommended prophetic practice, it purifies one's mouth, brightens one's eyesight, pleases the Beneficent Lord, whitens the teeth, does away with wretchedness, strengthens one's gums, whets one's appetite for food, takes away phlegm, improves one's memory, multiplies one's rewards for good deeds, and gives pleasure to the angels.’[al-Khisal, p. 481, no. 53]
10ـ الإمامُ الصّادقُ (عَلَيهِ الّسَلامُ): علَيكُم بالسِّواكِ ؛ فإنّهُ يُذهِبُ وَسوَسَةَ الصَّدرِ.
10– Imam al-Sadiq (AS) said, 'You must brush your teeth for it removes whisperings of the heart.’[Bihar al-Anwar, v. 76, p. 139, no. 52]
11ـ الإمامُ الرِّضا (عَلَيهِ الّسَلامُ): السِّواكُ يَجلُو البَصَرَ ، ويُنبِتُ الشَّعرَ ، ويَذهَبُ بِالدَّمعَةِ.
11– Imam al-Rida (AS) said, 'Brushing one's teeth brightens the eyesight, increases hair growth, and removes the tendency for frequent weeping.’[Bihar al-Anwar, p. 137, no. 48]