In recent years, with the rapid development of China's social and economic development, the living standards of residents have greatly improved. People are also paying more and more attention to their appearance. [1] Invisible braces have also become the preferred choice for more and more orthodontists due to their significant advantages such as aesthetics, comfort, and no impact on eating. So what material is this kind of braces made of? At present, the main materials for invisible braces are biomedical polymer materials, commonly including polyethylene terephthalate (PETG) and thermoplastic polyurethane (TPU). PETG has become a popular main material due to its strong processability, high transparency, and food grade safety standards.
[1]Wang Haiyan.Types and selection of braces in orthodontic education[J].Family Life Guide,2024,40(03):51-52.