Sahih al-Bukhari 6892
صحيح البخاري#6892SahihNarrated `Imran bin Husain:A man bit another man's hand and the latter pulled his hand out of his mouth by force, causing two of his incisors (teeth) to fall out. They submitted their case to the Prophet, who said, "One of you bit his brother as a male camel bites. (Go away), there is no Diya (Blood-money) for you
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 87:30