My son went to the ped. Dentist yesturday he needs his 4 frint teeth removed and a root canal on one od them , my question is when they use 'laughing gas' on him will he feel them working on him and the pain she gets scard easy what dose laughing gas do to you do you fell anything are you aware for what they are doing please help me thank you :eek::eek::eek:
