| LDG | lactic dehydrogenase; lingual developmental groove |
|---|---|
| MBDG | mesiobuccal developmental groove |
| PDD | pervasive developmental disorder; platinum diamminodichloride [cisplatin]; primary degenerative deme... |
| PDQ | Personality Diagnostic Questionnaire; physician's data query; Premenstrual Distress Questionnaire; p... |