By filing your teeth to points and brutalizing your gums, you gain a hideous smile full of razor-sharp teeth that enable you to make a grisly bite attack.
Prerequisites: Evil alignment, Willing Deformity.
Benefit: You gain a bite attack that can be used as a natural weapon to deal damage equal to 1d4 + your Strength modifier. If you attack with other weapons, you can use your bite as a secondary attack (taking a –5 penalty on your attack roll) for 1d4 + half Strength modifier damage. In addition, you gain a +1 bonus on Intimidate checks.
Source: Heroes of Horror, page 121.