| Abbreviation | Definition |
|---|---|
| MDAA | Massachusetts Dental Assistants Association |
| MDAA | Michigan Dental Assistants Association |
| MDAA | Missouri Dental Assistant Association |
| MDAA | Missouri Dental Assistants Association |
| MDAC | Maryland Dental Action Coalition |
| MDAF | Mississippi Dental Association Foundation |
| MDAF | Missouri Dental Association Foundation |
| MDAP | Medical and Dental Application Program |
| MDAS | Modified Dental Anxiety Scale |
| MDC | Medical and Dental Council |
| MDCAT | Medical & Dental College Admission Test |
| MDCAT | Medical and Dental College Admission Test |
| MDCAT | Medical and Dental College Admission Text |
| MDCAT | Medical and Dental Colleges Admission Test |
| MDCAT | Medical and Dental Colleges Admissions Test |
| MDCAT | Medical Dental College Admission TEST |
| MDCAT | Medical Dental Colleges Admission Test |
| MDCN | Medical and Dental Council of Nigeria |
| MDDS | Metro Denver Dental Society |
| MDDS | Minneapolis District Dental Society |