This chapter shall not be construed to prohibit an unlicensed person from performing mechanical work upon inert matter in a dental office or laboratory; nor to prohibit a duly licensed physician from treating the diseases of the mouth or performing operations in oral surgery; and nothing in this chapter shall be construed to permit the performance of dental operations by any unlicensed person under cover of the name of a registered practitioner.
N.J.S. § 45:6-14