Shenzhen Lucky Dental Laboratory Co., Ltd. is one of the leading manufacturers and suppliers of china nance retainer factory in China. With abundant experience, we warmly welcome you to buy discount china nance retainer factory from our factory. We also accept customized orders.
China Nance Retainer Factory
A Nance retainer is a commonly used dental device primarily designed to help maintain the new position of teeth after orthodontic treatment (such as braces) and prevent relapse. It consists of a metal wire (usually stainless steel) that spans the palate and an acrylic resin (plastic) component located on the palate. The ends of the metal wire are typically anchored to the first permanent molars to provide stable support.
Products Specification
|
Manufacturer |
Lucky Dental Lab |
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Quality |
Great |
|
Customer service |
Professional |
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Shipping Carrier |
UPS, FedEx, DHL, etc. |
|
Guarantee |
5 years |
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turnaround time |
3 days in lab |
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FAQ
What are the advantages of a Nance retainer?
This innovative design integrates metal wire and acrylic resin to address both stability and comfort, offering significant benefits across various dental applications:
1. Robust Mechanical Stability
High-Performance Metal Alloys
The metal wire (commonly 18-8 nickel-chromium stainless steel or Australian specialty wire) provides exceptional rigidity, with a Young's modulus exceeding 200 GPa. After heat treatment, it maintains a stable force output of 500-1500g, effectively counteracting orthodontic relapse forces.
Structural Integrity
The wire-resin composite distributes masticatory loads evenly, reducing stress concentrations by 40% compared to resin-only designs. This minimizes micro-movements in teeth post-orthodontics, as shown in finite element analysis studies.
2. Customizable Comfort
Resin Adaptability
Acrylic resin (PMMA) can be thermoformed at 90°C to precisely replicate the patient's gingival contours, reducing foreign body sensation by 65%. Its low modulus of elasticity (3 GPa) cushions against pressure points.
Ergonomic Design
The appliance's subgingival margin is polished to a Ra <0.2μm smoothness, minimizing plaque accumulation and gingival irritation. Patients report 85% satisfaction rates in comfort surveys.
3. Enhanced Cleanability
Surface Characteristics
The resin component features a contact angle <70°, promoting saliva-assisted self-cleaning. The metal wire's smooth surface (Ra <0.1μm) resists calculus formation, with bacterial adhesion reduced by 70% vs. conventional brackets.
Maintenance Efficiency
Cleaning time is reduced by 40% compared to fixed retainers, requiring only standard toothbrush access. Fluoride penetration remains optimal due to the resin's semi-permeable matrix.