| DLO | Diploma in Laryngology and Otology; distolinguo-occlusal |
|---|---|
| DO | Doctor of Osteopathy (one of two fully recognized medical practioners in the US-the other being MD);... |
| LO | linguo-occlusal |
| MBO | management by objective; mesiobucco-occlusal |
| MLO | mesiolinguo-occlusal; Mycoplasma-like organism |