1. exp. “Quality of Life”/ | |
2. QoL.mp. | |
3. OHRQoL.mp. | |
4. oral health-related quality of life.mp. | |
5. 1 or 2 or 3 or 4 | |
6. Orthognathic Surgery/ | |
7. surgery first approach.mp. | |
8. exp. Orthognathic Surgical Procedures/ | |
9. surgery first.mp. | |
10. 6 or 7 or 8 or 9 | |
11. 5 and 10 |