| MScD | Master of Dental Science |
|---|---|
| NADL | National Association of Dental Laboratories |
| NAPDP | National Association of Prepaid Dental Plans |
| NDA | National Dental Association; New Drug Application; no data available; no detectable activity; no det... |
| NDC | National Data Communications; National Drug Code; Naval Dental Clinic; nondifferentiated cell |