Dental appliance and preparation method thereof

The invention relates to the technical field of medical materials, in particular to a dental appliance and a preparation method thereof. The dental appliance comprises a dental appliance body and a polymer coating formed on the surface of the dental appliance body, the polymer coating comprises a polymer carrier and an oral compound, the polymer carrier is used for slowly releasing the oral compound, and the oral compound comprises a medicine and/or essence. According to the dental appliance, the mechanical property is not affected, and drug sustained release can be carried out. 本申请涉及医用材料技术领域，特别是涉及一种牙齿矫治器及其制备方法。牙齿矫治器包括牙齿矫治器本体及形成于牙齿矫治器本体表面的聚合物涂层，聚合物涂层包括聚合物载体及口腔用化合物，聚合物载体用于缓释口腔用化合物，口腔用化合物包括药物和/或香精。上述牙齿矫治器能够力学性能不会受影响，且可以进行药物缓释。