DDSabbr.1. Doctor of Dental Science2. Doctor of Dental SurgeryAmerican Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.DDS abbreviation for 1. (Library Science & Bibliography) Dewey Decimal System 2. (Dentistry) Doctor of Dental Surgery Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014D.D.S. 1. Doctor of Dental Science. 2. Doctor of Dental Surgery. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.