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PGA
| PGA | Er:YAG laser + HQ, n (%) | HQ, n (%) |
|---|---|---|
| Excellent | 8 (26.7) | 4 (13.3) |
| Good | 14 (46.7) | 8 (26.7) |
| Fair | 6 (20) | 13 (43.3) |
| Poor | 2 (6.7) | 5 (16.7) |
Abbreviations: PGA, Physician Global Assessment; Er:YAG, erbium-doped yttrium aluminum garnet; HQ, hydroquinone.
