The most advanced dental cosmetic technology on the market. All the materials used in the US Crown are imported from Germany. Compared with the traditional beauty crown, the 4D ecological beauty crown is more environmentally friendly and ecological. The production of each beauty crown requires 32 processes, including a series of high-precision operations such as material selection, mold taking, mold stamping and molding. It is to ensure that each crown is consistent with the real tooth in color and natural beauty, which is generally unrecognizable to the naked eye. In addition, in order to reduce the harm of each ecological beauty crown to patients' gums, PCD biological protective materials are specially added. Avoid gum swelling and pain caused by early traditional crown treatment. After long-term use, various diets and beauty crown will cause photochemical reactions, penetrate into enamel, destroy the protection of enamel on dental pulp, cause more serious inflammation, and eventually lead to tooth necrosis. Due to the poor quality of materials, some beauty crown forms various substances harmful to the body after chemical reaction, and with saliva entering the body, it will also have a destructive effect on the tissue function of the body.