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Published September 2026

1 of 5A scan maps where the teeth are today and where they should end up
  1. A scan maps where the teeth are today and where they should end up
  2. A series of clear trays is made, each one a little different
  3. A tray snaps over the teeth. It is barely visible
  4. Worn most of the day, taken out for meals and for brushing
  5. Every week or two the next tray goes in. The teeth move step by step

Who usually does it

orthodontist. Offered by orthodontists and many general dentists.

One question worth asking

How many hours a day do these have to be worn to stay on schedule?

Replacing a clear aligner, upper

Braces and alignersNot usually coveredD8703

D8703. A replacement for a lost or broken upper tray.

Clear aligners are removable plastic trays that move teeth step by step. These codes are for making or replacing individual trays. Full aligner treatment is usually billed with the same codes as braces.

Aligners are made from a scan and worn in order, each one for a week or two, and they come out for eating and brushing. These particular codes are for making or replacing individual trays; a full course is usually billed with the same codes as braces. Wear time is what moves the teeth — they only work if you keep them in most of the day.

Codes for this

D8701MajorMaking a clear aligner, upperOne new upper aligner tray.per arch · Done sometimesD8702MajorMaking a clear aligner, lowerOne new lower aligner tray.per arch · Done sometimesD8703Not usually coveredReplacing a clear aligner, upperA replacement for a lost or broken upper tray.per arch · Done sometimesD8704Not usually coveredReplacing a clear aligner, lowerA replacement for a lost or broken lower tray.per arch · Done sometimes
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Part of these flowsBraces or aligners as an adult

Related

Replacing a clear aligner, upper (D8703): what happens, step by step | TruthMolar