| DEF | decayed primary teeth requiring filling, decayed primary teeth requiring extraction, and primary tee... |
|---|---|
| DM-R | decayed plus missing teeth, minus replaced teeth |
| ASN | abstract syntax notation; alkali-soluble nitrogen; American Society of Nephrology; American Society ... |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| L/N | letter/numerical [system] |