| 1 | A | B | C |
| --- | --- | --- | --- |
| 2 | Photorejuvenation - Fractional laser |  |  |
| 3 | Laser | Wavelength | Uses |
| 4 | CO2 | 10,600 nm | rhytides, photodamage |
| 5 | Er:Yag | 2940 nm | scars, photoaging |
| 6 | Er:Glass | 1540 nm | rejuvenation, scaring |
| 7 | Nd:Yag | 1064 /1320 nm | photodamage |
| 8 | Diode | 1450 nm | facial rejuvenation |

Question: What are the two most commonly used lasers for laser resurfacing, given that it usually favors lasers with large wavelength?
Answer: Laser resurfacing is usually done with a 2940 nm Er:YAG laser or a 10,600 nm CO₂ laser.