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eZtain Fixed Retainers : 100% next-generation 100% custom-made 100% PEEK
Fixed Retainers :
100% next-generation
100% custom-made
100% PEEK
eZtain Lab is committed to providing you with exceptional fixed retainers through our custom digital design process. Our wires are made from PEEK, a high-performance medical-grade polymer known for its outstanding properties.
With eZtain, you benefit from dental retainer that is both flexible and durable, designed to prevent deformation and breakage — ensuring maximum longevity.

Advantages of eZtain orthodontic retainers
We assist you in setting up PEEK retainers in the office.

eZtain orthodontic fixed retainer
More Aesthetic
More Durable
More Comfortable
More Aesthetic
More Durable
More Comfortable
Order a fixed retainer

- Custom PEEK retainer
- Mini extensions to prevent diastema reopening
- Delivered within 1 week
Starting from 25 retainers ordered per month.
Prepayment for 300 retainers.
eZtain retainer in detail



- Patent filed on August 22, 2017, in France
- Granted and effective since March 1, 2019
- REF : FR3070256A1
- Supported by HEGE Conseil
Developed in partnership with INSA to create a retainer that is :
- 9 times stronger than a 0.016″ x 0.016″ steel retainer
- 8 times stronger than a 3-strand 0.0215″ retainer
- 6 times stronger than a Penta-One retainer

PEEK is part of the high-performance polymer family, at the pinnacle of the thermoplastics hierarchy. It boasts exceptional mechanical and thermal properties unmatched by common engineering materials.
- Ultra-resistant
- Aesthetic
- Biocompatible

- Complies with the requirements of EU
- Regulation 2017/745
- Manufactured under controlled conditions
- Device monitoring – Materiovigilance
- CE-certified raw materials
- Instructions for use available
- Declaration of each device to the ANSM
Clinical cases
The eZtain process step-by-step

- We receive your prescription.
- We receive your patients’ digital impressions directly from your intraoral scanner.
- The process has been simplified to the maximum for your convenience and to save you time.

- Our team of dental technicians models your orthodontic retainers using our proprietary software.
- The modeling is done in three dimensions to ensure a perfect fit tailored to your patients’ dental morphology.

- Our team mills your orthodontic fixed retainer from PEEK.
- Thanks to the use of high-performance 5-axis dental milling machines, we guarantee precision up to 3 µm.
- The fit of each dental retainer is checked against the models you provided.
- The retainers are then cleaned and decontaminated.

- Your retainers are shipped via tracked mail.
- We strive to ensure that you receive your retainers at your practice within a maximum of 7 days from the prescription date.

You can now bond the eZtain fixed retainers on your patients to maintain the results of their orthodontic treatment in an innovative way.