All dental hygienists shall be a graduate of a dental hygiene program that qualifies them to obtain a state license. This training must include coursework on radiation physics, biology, health, safety/protection, X-ray films/digital radiography, image quality, and radiographic techniques that meets or exceeds requirements. All dental hygienists shall possess an active, current, valid, and unrestricted license in at least one of the 50 states, and/or the District of Columbia, the Commonwealth of Puerto Rico, or territories of the United States. The license must remain active, current, valid, and unrestricted during the life of the contract. No minimum years of experience are required.