Hearing loss can occur so gradually that you may not even notice it. Individuals should be tested once every three to five years, for those 55 and old should test more often. Delta Dental has partnered with Amplifon to provide hearing discounts to Delta Dental members. Discounts are provided for hearing exams, hearing devices, and warranties. For more information call 866-925-1698 or visit the Delta Dental Hearing website.