<qa>  What is the name of the tablet that will be randomized to listen to?Eligible patients at the Craniofacial Pain Center at the Tufts School of Dental Medicine TUSDM will be randomized to listen to a tablet containing a calmative Comfort Talk app or app with white noise on an intent-to-treat basis. Their anxiety and pain measures will be recorded on validated 0-10 scales and before listening, at the end of the waiting room period, and every 10 minutes while on the dental chair. 