سنن الفطرة
Anas (may Allah be pleased with him) reported that the Messenger of Allah (may Allah's peace and blessings be upon him) said: "I have told you repeatedly to use the tooth-stick."
عن أنس -رضي الله عنه- قال: قال رسول الله -صلى الله عليه وسلم-: «أكْثَرْتُ عليكم في السِّوَاك».
شرح الحديث :
Hadīth explanation: The Prophet (may Allah's peace and blessings be upon him) stressed using the tooth-stick. He repeatedly advised his followers to use it at all times, as a recommended action and not an obligation, due to the many and great benefits it involves, the greatest of which is that it is pleasing to Allah, Glorified and Exalted, [as mentioned in the famous authentic Hadīth: “The tooth-stick cleanses the mouth and pleases the Lord.”