Home » Contact Us » Dental Emergency? » Child or Adolescent Dental Emergencies » Child or Adolescent: Possible Broken Jaw Child or Adolescent: Possible Broken Jaw If a broken jaw is suspected, keep the jaws from moving by tying a scarf or necktie around the head. Take the child the Children's Hospital emergency room. Montefiore Children's Hospital ED Call (888) -700-6623 to schedule a consultation and learn more.