An orthodontic device which includes a rod(s) intended to be bonded to teeth to correct malocclusions (e.g., overbites); it is commonly known as Herbst appliance. The rod, also referred to as a piston or tube, is typically positioned with a metal band and/or b
| Company | Devices | Share |
|---|---|---|
| American Orthodontics Corporation | 202 | 75% |
| Tp Orthodontics Inc | 29 | 11% |
| Specialty Appliances, Llc | 28 | 10% |
| Five Star Orthodontic Laboratory & Supply Inc | 5 | 2% |
| Allesee Aoa-Pro | 3 | 1% |
| Ormco Corporation | 1 | 0% |
Company = labeler of record on GUDID. 6 companies in total; top 12 shown. Click headers to sort.
Sample of brand names as labelled; no endorsement. Ask us for the full list with company, model and UDI.
| Code | Name | Devices |
|---|---|---|
| DYJ | RETAINER, SCREW EXPANSION, ORTHODONTIC | 298 |
| DYJ | Retainer, Screw Expansion, Orthodontic | 29 |
| ECO | SPRING, ORTHODONTIC | 12 |
| ECN | Clamp, Wire, Orthodontic | 10 |
| DZN | Instruments, Dental Hand | 6 |
| DZC | Wire, Orthodontic | 5 |
Use these as the dimensions to specify in a tender line.
268 device records in commercial distribution are listed on the FDA Global Unique Device Identification Database (GUDID) under the GMDN category "Orthodontic rod-based aligner", from 6 companies. The largest labeler is American Orthodontics Corporation with 75% of records.
DYJ (RETAINER, SCREW EXPANSION, ORTHODONTIC), DYJ (Retainer, Screw Expansion, Orthodontic), ECO (SPRING, ORTHODONTIC), ECN (Clamp, Wire, Orthodontic)
No. GUDID is the US register. For the UAE (MOHAP/DoH) and Saudi (SFDA/MDMA) a separate registration and a local authorised representative are required; Consulting Wallah can check the status and connect you with registered suppliers.
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Source: FDA AccessGUDID (AccessGUDID full release 2 Nov 2026); counts are device records in commercial distribution grouped by GMDN preferred term; companies are labelers of record. Information only — US listing is not a registration in the UAE or GCC; verify with the regulator. © Consulting Wallah — CC BY‑NC‑ND.