A man bit the hand of another man but in that process the latter broke one incisor tooth of the former, and the Prophet (ﷺ) forgave the latter.

وَعَضَّ رَجُلٌ يَدَ رَجُلٍ ـ يَعْنِي فَانْتَزَعَ ثَنِيَّتَهُ ـ فَأَبْطَلَهُ النَّبِيُّ صلى الله عليه وسلم‏.‏