/ Dictionary / Index D dental caries: Meaning and Definition of Find definitions for: den'tal car'ies Pronunciation: [key] cavity formation in teeth caused by bacteria that attach to teeth and form acids in the presence of sucrose, other sugars, and refined starches; tooth decay. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. dental dental dam Related Content Daily Word Quiz: torrid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language