It depend on treatment plan. Normally you may visit the dental clinic once in 4 or 6 weeks.

The duration of treatment is affected by several factors. The most important factor is a treatment plan according to each individual condition. For the treatment, partients' cooperation is essential for proper treatment. 

If necessary, you may put off the aligner during a job interview or intense exercise. However, the certain time with aligner should be secured. (more than 20 hours)

In some cases, a whitening solution is applied inside the orthodontic appliance, but the orthodontic aligner is not a whitening tray. For whitening treatment, after orthodontic treatment is completed, or visit the dentist for seperate treatment.

Please consult with dentis who use "Direct Aligner". These dentists are introduced on our company web-site. You can find the nearest dental clinic from the website.