(a) As used in this section:
(1) "Dental plan" means a contract, plan, or policy of insurance issued by an insurer that provides for a dental benefit;
(2) "Insurer" means an insurance company, a health maintenance organization, a hospital and medical service corporation, or a self-insured health plan for employees of a governmental entity; and
(3)
(A) "Noncovered service" means a service that is not reimbursable under a dental plan.
(B) "Noncovered service" does not include a service that is reimbursable subject to a deductible, waiting period, frequency limitation, annual or lifetime maximum, or other contractual limitation.
(b) An agreement between an insurer and a dentist establishing the fee a dentist may charge for a noncovered service is unenforceable.