Clear aligners or braces? Which suits which case
The real differences between the two: which movements each handles predictably, and how the decision is actually made.
The first question from patients considering orthodontics is usually "can it be done with aligners?" The answer varies case by case, and it depends far less on appearance than on the type of movement required.
The core difference
Brackets are bonded to the tooth. Force is applied continuously and does not depend on compliance. For demanding movements — root movement, correcting severe rotations, bringing an impacted tooth into the arch — they give more predictable results.
Aligners are removable. Force is applied only while they are worn, 20 to 22 hours a day. That is the treatment's greatest advantage and its greatest risk at once: an aligner that is not worn does nothing.
Where aligners work well
- Mild to moderate crowding
- Closing spaces between teeth
- Mild bite corrections
- Relapse after earlier orthodontic treatment
- Correcting the forward-backward inclination of teeth
Where brackets are the better fit
- Severe crowding and rotations
- Skeletal jaw discrepancies (sometimes with surgical support)
- Bringing an impacted tooth into the arch
- Closing space in cases requiring extractions
- Situations where aligner discipline is unlikely to hold — saying so at the start beats disappointment halfway through
How the decision is made
By measurement. An intraoral scan, photographs, panoramic and cephalometric radiographs are taken. Cephalometric analysis shows whether the problem arises from the teeth or from the relative position of the jaws — an answer of "aligners will sort it" without that analysis is a guess.
What both share: retention
Whichever method is used, teeth tend to drift back once treatment ends. The fibres around them take months to adapt to the new position, and a slight tendency to move persists for life.
That is why a night-time retainer or a fine wire bonded behind the teeth is provided at the end. Retention is part of the treatment — skip it, and months of work are undone within a few years.
Duration
Six to eighteen months on average with aligners, twelve to twenty-four with brackets. These figures shift with the difficulty of the case; ask for a realistic plan rather than a promise of speed.
