Tooth trauma can come in many forms: e.g. - Bitten Lip or Tongue - Broken Tooth - Cracked Tooth - Jaw-Possibly Broken - Objects Caught Between Teeth - Toothache - Knocked Out Tooth Knocked Out Tooth Hold the tooth by the crown and rinse off the root of the tooth in water if it's dirty. Do not scrub it or remove any attached tissue fragments. If possible, gently insert and hold the tooth in its socket. If that is not possible, put the tooth in a cup of milk and get to the dentist as quickly as possible. Remember to take the tooth with you.