(c) Direct, control, or interfere with a dentist's clinical judgment. To direct, control, or interfere with a dentist's clinical judgment may not be interpreted to mean dental services contractually excluded, the application of alternative benefits that may be appropriate given the dentist's prescribed course of treatment, or the application of contractual provisions and scope of coverage determinations in comparison with a dentist's prescribed treatment on behalf of a covered person by an insurer, health maintenance organization, or a prepaid limited health service organization. Any lease agreement, rental agreement, or other arrangement between a nondentist and a dentist whereby the nondentist provides the dentist with dental equipment or dental materials shall contain a provision whereby the dentist expressly maintains complete care, custody, and control of the equipment or practice.