It could stand for a number of things. Because you placed it under education, RDH could stand for Registered Dental Hygienist, and BSDH could stand for Bachelors of Science in â¦ Dental Hygiene. A registered dental hygienist has completed training and taken board examinations to obtain the title of being a registered dental hygienist.
Note: OscarÂ® and Academy AwardsÂ® and OscarÂ® design mark are the trademarks and service marks and the OscarÂ© statuette the copyrighted property, of the Academy of Motion Picture Arts and Sciences.
In the end, nobody really knows why the Academy Award statuette is called an âOscar.. The idea for the design of the Academy Award statuette was thought up by MGM director Cedric Gibbons. His idea was to have a knight gripping a sword while standing on a film reel.