For the purposes of this chapter, the practice of dentistry is the diagnosis, surgical or nonsurgical treatment and performance of related adjunctive procedures for any disease, pain, deformity, deficiency, injury or physical condition of the human tooth or teeth, alveolar process, gums, lips, cheek, jaws, oral cavity and associated tissues of the oral maxillofacial facial complex, including removing stains, discolorations and concretions and administering botulinum toxin type A and dermal fillers to the oral maxillofacial complex for therapeutic or cosmetic purposes.