4.245 http://www.mohammeds-koran.com/texts/hadith/bukhari/4/4.245 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 4.245 Narrated Abu Burda: My father said, "I came to the Prophet and saw him carrying a Siwak in his hand and cleansing his teeth, saying, 'U' U'," as if he was retching while the Siwak was in his mouth."