What does “Clear aligner treatment” mean?
Clear aligner treatment moves teeth using a sequence of clear, removable appliances made to fit the teeth.
Original spelling: 얼라이너
Moving teeth with a series of aligners
A series of aligners is made based on diagnostic records and the treatment plan. Each aligner is designed to apply force to the teeth; tooth-colored attachments or elastics may be used when needed. Regular checks compare actual tooth movement with the plan created on screen.
Impact of wearing and cleaning on treatment
The aligners must be worn for the planned amount of time to apply force. Follow the instructions for your appliance, including removing it for meals, drinks other than water, and toothbrushing. Keep both your teeth and aligners clean, and do not move on to the next aligner on your own if the current one does not fit.
Suitability and comparison with other orthodontic methods
Suitability depends on the tooth movement and space required, as well as the bite and gum condition. Clear aligners do not necessarily eliminate the need for extractions or auxiliary appliances, and they do not treat every malocclusion in the same way. Retainers are used after treatment.
Frequently Asked Questions
Are clear aligners completely invisible because they have no attachments?
The device itself is clear, but may require tooth-colored attachments or elastics. Auxiliary parts vary depending on the movement goal.
Will changing aligners sooner make treatment faster?
The prescribed replacement schedule is adjusted to tooth movement and aligner fit. Changing aligners early on your own may prevent them from fitting as planned, so follow your dentist’s instructions.
Questions to help you understand clear aligner treatment
Learn what the term means and how it relates to your dental condition.
- Sufficient understanding
Is this method suitable for the required movement?
Explanation and evidenceTooth alignment, the bite, and the need for auxiliary components are assessed to determine whether and how clear aligners can be used.
British Orthodontic Society · Aligners - A choice suited to your condition
Can you stick to your device usage and maintenance plan?
Explanation and evidenceThe treatment process includes wearing, cleaning, regular inspection, and use of retainers after treatment.
British Orthodontic Society · Retainers

