
How do clear aligners work?
Clear aligners move teeth with a sequence of custom trays. Learn the planning process, wear schedule, and what progress visits check.
How do clear aligners work
Clear aligners work by using a planned series of custom trays to place gentle pressure on selected teeth. Each tray is shaped slightly differently, so teeth move in small steps as you progress through the sequence. Your provider checks that the teeth are tracking as planned and adjusts the plan when needed.
Treatment usually starts with an exam, photos, X-rays, and a digital scan or impression. The provider uses those records to map tooth movement and estimate how many trays may be needed. Most plans ask patients to wear aligners for about 20 to 22 hours per day, removing them for meals and cleaning. Some teeth may need attachments, elastics, or small polishing between teeth to create the right movement. Progress visits confirm that trays fit fully, bite changes are on course, and oral hygiene is holding up. If movement lags, the plan may include refinements instead of forcing the next tray.
What are clear aligner attachments?
How often do clear aligner checkups happen?
Key Points
- Each aligner makes a small, planned change from the tray before it.
- Consistent daily wear is what keeps tooth movement on schedule.
- Digital planning guides treatment but does not replace progress checks.
- Attachments or elastics may help trays move certain teeth more precisely.
- Refinements are common when teeth need extra steps near the end.
What This Means for You
Clear aligners are a system, not just a set of plastic trays. The best results usually come from careful planning, honest wear habits, and keeping checkups. Ask your provider what milestones they will watch before you move through the full sequence.
Related Reading: What are clear aligner attachments? | How often do clear aligner checkups happen? | Can you eat with clear aligners in?
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