| AADC | amino acid decarboxylase |
|---|---|
| AADE | American Association of Dental Editors; American Association of Dental Examiners |
| AADGP | American Academy of Dental Group Practice |
| AADH | alopecia-anosmia-deafness-hypogonadism [syndrome] |
| AADO2, (a-A) DO2 | arterio-alveolar oxygen tension difference |
| AADP | American Academy of Denture Prosthetics; amyloid A-degrading protease |
| AADPA | American Academy of Dental Practice Administration |
| AADR | American Academy of Dental Radiology |
| AADS | American Academy of Dental Schools |
| AAE | active assistive exercise; acute allergic encephalitis; American Association of Endodontists; annuloaortic ectasia |