你的牙齿会随着时间自然移回原位，能预防牙齿移位并保持理想笑容的方法是佩戴保持器。
Everything you need to know before starting the treatment.
Before using Vivera retainers, patients (and, when applicable, their parents or legal guardians) should carefully read these Use and care instructions for important information about retainer wear including warnings and precautions, proper care and maintenance, and oral hygiene requirements during treatment. We recommend that you save. If you have questions or concerns, please contact your doctor.