Nothing in this Article shall be deemed to alter the statutory relationship of dentist and patient which has heretofore been established. No dental service corporation shall in any way attempt to influence the subscriber in the free choice of a dentist other than to limit its benefit to properly licensed dentists of this state who are in good standing with the Board of Dentistry. Nothing in this Article shall be deemed to abridge the right of any dentist to decline patients in accordance with the standards of practices of such dentist; and no such corporation shall be deemed to be engaged in the corporate practice of dentistry.