Orthodontic TMA Keyhole Archwires, Beta Titanium Nickel-Free Dental Straight Wire for Teeth Gap Closing
Our TMA Keyhole Archwires are made of medical-grade beta titanium alloy, nickel-free and skin-friendly. The preformed keyhole loops provide stable, gentle force for efficient gap closing during orthodontic treatment.
They fit most dental arches. Balanced flexibility and rigidity reduce patient discomfort while offering precise torque control. The smooth surface lowers friction, speeding up tooth movement and shortening treatment cycles.
Certified by ISO 13485 and CE, factory direct supply ensures stable quality and competitive pricing. Suitable for dental clinics, orthodontic specialists, and global distributors.
Product Introduction
Usage Steps
- Select the appropriate archwire based on treatment progress.
- Adjust the arch form to match the patient’s dental arch.
- Insert into bracket slots and secure with ligature ties.
- Trim excess wire and smooth the ends.
- Follow up every 4-8 weeks for adjustment.
Product Characteristic
- ✅ Premium TMA MaterialMedical-grade beta titanium alloy, 100% nickel-free, corrosion-resistant, and highly biocompatible. Eliminates metal allergy risks for sensitive patients.
- ✅ Preformed Keyhole Loop DesignBuilt-in keyhole loops deliver stable, controlled force for gap closing, no additional springs required. Simplifies clinical operations and improves treatment efficiency.
- ✅ Multiple Standard Cross-Sections AvailableAvailable cross-sections include .016×.022", .017×.025", .018×.025" and .019×.025" to meet different clinical needs.
- ✅ Balanced Mechanical PerformanceModerate elasticity and rigidity reduce patient discomfort while ensuring excellent torque control and root uprighting. Resists permanent deformation for long-lasting force.
- ✅ Factory Direct & Customizable ServiceISO 13485 & CE certified production. Custom sizes, spans, arch forms, and packaging are available to meet your market demands.
Suitable Crowd & Application
Suitable for teenagers and adult orthodontic patients, especially for people with nickel metal allergy, sensitive oral mucosa and complex malocclusion.
Widely used in orthodontic middle transition stage, later finishing stage, space closing, root correction, open bite, crossbite and other difficult orthodontic cases, widely applicable to dental hospitals, clinics and professional orthodontic institutions.
Matching Accessories
Matched with straight wire brackets and buccal tubes to transmit orthodontic force.
It is suitable for use after NiTi wire alignment and before stainless steel wire, serving as a transitional archwire.
Product Specifications
| Type | Orthodontic Products |
| Name | TMA-keyhole archwires |
| Size | Rectangular: 1622/1725/1825/1925 |
| Package | 1pcs/pack |
| Material | TMA |
| Arch form | Ovoid |
FAQ