Mo. Rev. Stat. § 332.111
332.111 Unregistered or unlicensed practice, penalty.
332.111. Unregistered or unlicensed practice, penalty. — Any person who practices dentistry as defined in section 332.071 , or as a dental hygienist as defined in section 332.091 , who is not duly registered and currently licensed in Missouri as hereinafter provided is guilty of a class A misdemeanor.
(L. 1969 S.B. 97, A.L. 1981 S.B. 16, A.L. 2004 S.B. 1122)