83000 APPLIANCES, RETENTION, ORTHODONTIC RETAINING APPLIANCES
| 80000 | ORTHODONTICS |
||
| 83000 | APPLIANCES, RETENTION, ORTHODONTIC RETAINING APPLIANCES | ||
| 83100 | APPLIANCES, REMOVABLE, RETENTION |
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| 83200 | APPLIANCES, FIXED/CEMENTED, RETENTION |