The South Bay Dental Hygienists' Society (SBDHS) web site is an official publication of the South Bay Dental Hygienists' Society. Opinions expressed in this publication are those of the authors and do not necessarily represent the opinion, position, or policies of the South Bay Dental Hygienists' Society. Acceptance of sponsors does not imply professional endorsement by SBDHS, California Dental Hygienists' Association (CDHA) or American Dental Hygienists' Association (ADHA). Furthermore, no speaker or product has any endorsement, official or otherwise, from the South Bay Dental Hygienists' Society.