Sunan an Nasai
4759
Sahih+2

It was narrated from 'Imran bin Husain that a man bit another man on the forearm:he pulled it away and a front tooth fell out. The matter was referred to the Messenger of Allah and he canceled (the Diyah) and said: "Did you want to bite your brother's flesh as a stallion bites?

SahihAbu Ghuddah
SahihAl-Albani