| Er:YAG | Erbium:yttrium–aluminium–garnet laser |
| Nd:YAG | Neodymium:yttrium–aluminium–garnet laser |
| NaOCl | Sodium hypochlorite |
| H2O2 | Hydrogen peroxide |
| CHX | Chlorhexidine |
| OSA | Obstructive sleep apnoea |
| COAC | Ukrainian abbreviation for OSA |
| AHI | Apnoea–hypopnoea index |
| OHIP-14 | Oral Health Impact Profile-14 |
| LAUP | Laser-assisted uvulopalatoplasty |
| CPAP | Continuous positive airway pressure |
| MAD | Mandibular Advancement Device |
| LP mode | Long Pulse Mode (in Er:YAG laser settings) |
| SMOOTH mode | Non-ablative “SMOOTH” mode of Er:YAG laser (also commercially known as FotonaSmooth) |
| CO2 (laser) | Carbon Dioxide Laser |
| Er,Cr:YSGG | Erbium, Chromium: Yttrium–Scandium–Gallium Garnet |
| PSG | Polysomnography |
| RDI | Respiratory disturbance index |
| ODI | Oxygen desaturation index |
| VAS | Visual analogue scale |