In English, a口腔矯治器 is commonly referred to as an orthodontic appliance. This term encompasses a wide range of devices used to correct dental alignment and bite issues. Orthodontic appliances can include braces, aligners, retainers, and other devices that help move and straighten teeth. These appliances are designed and prescribed by orthodontists to address specific orthodontic problems and achieve optimal oral health and aesthetics.

Another term frequently used in English for a 口腔矯治器 is a dental brace. Dental braces, often simply referred to as braces, are the most common and well-known orthodontic appliances. Braces consist of brackets that are bonded to the teeth, connected by archwires, and often supplemented with elastic bands to apply gentle pressure and guide tooth movement. Dental braces aim to correct crooked teeth, crowded teeth, bite problems, and other dental irregularities. They are a widely recognized and effective treatment option for achieving a straight, healthy smile.

A 口腔矯治器 can also be called a dental aligner in English. Dental aligners are a popular orthodontic treatment option that utilizes a series of custom-made, transparent plastic trays to gradually move teeth into their desired positions. This alternative to braces is particularly favored for its aesthetic appeal, as the aligners are virtually invisible when worn. This treatment option is often chosen by adults and older teenagers who desire a more discreet orthodontic solution. Dental aligners can effectively correct mild to moderate tooth misalignments and bite issues.