Graphy's Shape Memory Aligner
The Shape Memory Difference
Graphy Aligners appear to be a significant advancement in clear aligner technology, often referred to as Shape Memory Aligners or 3D Direct Printed Aligners-DPA.
Imagine an aligner that actually gets its strength back. That’s the core innovation behind Graphy’s Shape Memory Aligners. Unlike traditional aligners that lose force over time, Graphy’s advanced resin allows you to simply dip the tray in warm water to recharge/ restore its original form and corrective force. This self-adjusting capability maximizes the efficiency of each aligner, drastically cutting down on treatment time and reducing material waste. Combined with the precision of direct 3D printing, this system offers a more comfortable, customized, and hygienic treatment experience, allowing you to disinfect the aligner with heat and start your smile journey sooner.
Here are the key aspects and differences from traditional clear aligners (like those made by thermoforming):
Key Technology and Features
Shape Memory Material
- They are made from a proprietary 3D-printable photopolymer resin (like Graphy’s Tera Harz Clear).
- This material has a shape memory function, which means it can be temporarily softened in warm water (making insertion and removal easier) and then regain its original, force-applying shape once cooled to body temperature in the mouth.
- Force Re-activation: In conventional aligner orthodontic force decreases after a few days, whereas in Graphy-DPA, simply putting the Aligner in warm water can restore its original shape and force, potentially reducing the number of aligners needed.
Direct 3D Printing
- Unlike conventional aligners, which are made by thermoforming a plastic sheet over a 3D-printed model of the teeth, Graphy aligners are 3D-printed directly.
- This eliminates the need for physical models and the thermoforming process, leading to a more eco-friendly manufacturing process with less waste.
Customization and Precision
- Direct printing allows for customization of the aligner’s form and thickness for each tooth and each stage of movement, which is difficult with traditional thermoformed aligners.
- This precision is claimed to allow the aligner to grip the entire crown down to the cervical edge, providing more effective and predictable tooth movement with a reduction in the need for traditional attachments (the small, tooth-colored buttons bonded to teeth).
Claimed Benefits
- Faster Treatment Times: Same-day printing capabilities (in some clinics) and the ability to re-activate the aligners’ force at home can potentially speed up the overall treatment compared to systems with long lab waiting times.
- Greater Comfort: The shape memory function allows the aligner to be softened in warm water for easier and more comfortable insertion and removal.
- Aesthetics: They are highly transparent and may require fewer or no attachments, making them even more discreet.
- Better Hygiene: The material can withstand heat disinfection in hot water (100 °C), which can sterilize and help restore its clear state and properties.
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