Sunan Abu Dawood 51

Aishah narrated: The Prophet of Allah صلی ‌اللہ ‌علیہ ‌وسلم would clean his teeth with the Siwak, then he would give me the Siwak in order to wash it. So I would first use it myself, then wash it and return it. ..

Narrated Aishah, Ummul Muminin: The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: Ten are the acts according to fitrah (nature): clipping the moustache, letting the beard grow, using the tooth-stick, cutting the nails, washing the finger joints,..

Narrated Ammar bin Yasir: The Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم said: The rinsing of mouth and snuffing up water in the nose are acts that bear the characteristics of fitrah (nature). He then narrated a similar tradition (as reported by..

Narrated Hudhaifah: When the Messenger of Allah صلی ‌اللہ ‌علیہ ‌وسلم got up during the night (to pray), he cleansed his mouth with the tooth-stick. ..

Narrated Aishah, Ummul Muminin: Ablution water and tooth-stick were placed by the side of the Prophet صلی ‌اللہ ‌علیہ ‌وسلم. When he got up during the night (for prayer), he relieved himself, then he used the tooth-stick. ..

Narrated Aishah, Ummul Muminin: The Prophet صلی ‌اللہ ‌علیہ ‌وسلم did not get up after sleeping by night or by day without using the tooth-stick before performing ablution. ..