Indiana Code Title 25. Professions and Occupations § 25-13-1-12

(1) a dentist who is duly licensed in Indiana;

(2) a bona fide dental student while engaged in dental school extramural educational programs with a licensed dentist who is an affiliate faculty member of the dental school;

(3) a duly licensed practitioner of medicine;

(4) a legal practitioner of dentistry or of dental hygiene in any other state, while making a clinical demonstration before a dental society in Indiana;  or

(5) any commissioned dental officer in the regular United States armed services, United States Public Health Service, or United States Department of Veterans Affairs, while engaged in the discharge of official duties in Indiana;