A device pioneered by an LA dentist called Dental Vibe takes the pain out of gum injections. The tool’s double prongs vibrate against the gums, soothing the patient while the dentist gives an injection. The vibrations reach the brain before the pain does, letting the patient feel nothing. NBC4 does not endorse specific doctors. For more information on the Dental Vibe click here. Dr. Bruce reports for the NBC4 News at 5 p.m. on Sept. 17, 2012.