| DART | developmental and reproductive toxicology |
|---|---|
| DBDG | distobuccal developmental groove |
| DD | dangerous drug; data definition; day of delivery; degenerated disc; degenerative disease; delusional... |
| DDH | developmental dysplasia of the hip; Diploma in Dental Health; dissociated double hypertropia |
| DDST | Denver Developmental Screening Test |