Yahya related to mefrom Malik from Yahya ibn Said that Said ibn al-Musayyab used to say,''When a tooth is struck and becomes black, there is complete blood-money for it. If it falls out after it becomes black, there is alsothe complete blood-money for it." (ID)
USC-MSA web (English) reference: Book 43, Hadith 7 (ID)
Arabic reference (ID): Book 43, Hadith 1577 (ID)