Smoking lowers the strength of the immune system and reduces the white blood cell count, which is used to protect teeth from infection, fight off bacteria and remove plaque. Lower the risk of gum disease and tooth decay, which increases due to smoking by following tips from a licensed dental assistant in this free video series on the dental profession. Expert: Michelle McPhail Contact: www.MySolutionz.com Bio: Michelle McPhail has been a licensed dental assistant for seven years. Filmmaker: Christopher Rokosz