42581 Per site
| 40000 | PERIODONTICS |
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| 42000 | PERIODONTAL SERVICES, SURGICAL |
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| 42500 | PERIODONTAL SURGERY, FLAPS, GRAFTS, SOFT TISSUE |
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| 42580 | Grafts, Gingival Onlay (for ridge augmentation) |
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| 42581 | Per site | $944.97 | $944.97 |