63 Pa. Stat. § 130
Nothing contained in this act shall be construed as prohibiting a duly licensed and registered dentist from performing the work of a dental hygienist or an expanded function dental assistant. Nothing contained in this act or any other act shall be construed as prohibiting a duly licensed dentist who is a staff member of an approved hospital from executing a medical certification in case of death if the dentist attended the deceased during the last illness, provided the death occurs in the hospital and the deceased had been admitted on the dental service and the circumstances are not such as to require a referral to the coroner under the provisions of any other act. Nothing contained in this act shall be construed to prevent any person, copartnership, association or corporation from manufacturing and furnishing to or repairing for, licensed dentists artificial teeth, crowns, bridges, prosthetic work, and regulating appliances, but it shall be unlawful and constitute the practice of dentistry for any person to fit, or attempt to fit, or to furnish to or repair for any other person artificial teeth, crowns, bridges, prosthetic work, or appliances.
63 P.S. § 130