Oral Appliance Therapy vs CPAP vs Surgery
| Item | Oral appliance therapy (OAT) | CPAP | Surgery |
|---|
| Mechanism | Custom oral appliance worn nightly | Mask + pressurized airflow | Structural upper-airway modification |
| Applicable severity | Mild-to-moderate OSA / CPAP intolerance | Severe OSA first-line | Anatomy-dependent |
| Adherence (6–12 mo) | 80–90% | 50–60% | N/A (one-time) |
| Portability | Excellent (pocket-sized) | Poor (device + power) | N/A |
| Noise | None | Mild device noise | N/A |
| Reversibility | Stop anytime | Stop anytime | Irreversible |
| TFDA Classification | Class II Medical Device | Medical device | — |