Tenn. Code Ann. § 63-5-128: Criminal penalties

(a) Any person who violates any provision of § 63-5-107(a) commits a Class B misdemeanor.

(b) After being convicted of any violation of § 63-5-107(a) , any person who again violates § 63-5-107(a) commits a Class E felony.

(c) Any person who has been enjoined by a court of competent jurisdiction from performing any acts or rendering any services that constitute the practice of dentistry as defined in § 63-5-108 , who thereafter willfully violates the terms of the injunction by again performing such acts or rendering such services, commits a Class E felony.