Clear Aligners vs. Traditional Braces: Which Should You Choose?

This is probably the question I get asked most often, and the honest answer is: it depends on the case, not on which one is newer or more popular. Here's how the decision actually gets made in practice.

What traditional braces do well

Metal or ceramic brackets stay on the teeth around the clock, which gives an orthodontist more precise, continuous control over tooth movement. That makes braces the more reliable choice for complex cases — significant crowding, bite corrections that involve moving teeth vertically or rotating them, and most orthodontic treatment in growing children and teenagers, where the bite and jaw are still developing.

What clear aligners do well

Aligners are removable, far less visible, and don't come with the same eating restrictions as braces (no avoiding hard or sticky foods with brackets in the way). For straightforward to moderate crowding or spacing in adults with good discipline about wearing them, they can achieve very similar results to braces with a much lower profile day-to-day.

What the research actually shows

A systematic review pooling multiple comparative studies found that clear aligners may not be quite as effective as braces at achieving fully seated back-tooth contacts, controlling how much a tooth rotates along its own axis, and holding results afterward — while confirming aligners generally involve less discomfort and fewer unscheduled visits. A separate randomized trial specifically on deep bite cases found aligners finished faster on average (about 21 months vs. 27 for braces) but that braces gave better control over vertical bite correction. None of this makes one option "better" outright — it's exactly why the choice depends on what your specific case needs to correct.

The catch with aligners: they only work if you wear them

This is the part that gets glossed over in a lot of marketing. Aligners need to be worn 20-22 hours a day to work on schedule — removed only for eating and brushing. Someone who wears them inconsistently will see treatment stall or take considerably longer than planned. Braces don't have this failure mode, since they're not something you can forget to put back in.

Cases where I'd steer someone toward braces regardless of preference

• Significant crowding or rotated teeth that need more mechanical force to correct
• Bite corrections involving the back teeth or jaw relationship, not just the front teeth people see
• Growing children and younger teenagers, where guiding jaw development is part of the goal
• A history of not following through with removable devices (retainers, previous aligner trials)

How I actually decide with a patient

I look at the bite and alignment first, independent of preference — that tells me which category the case falls into. If it's genuinely a toss-up between the two, then we talk about lifestyle: how much visibility matters to you, whether you travel often (which affects how easy it is to keep up with aligner changes and check-ins), and your own honest read on whether you'd stick to wearing removable trays consistently. I'd rather tell a patient upfront that aligners aren't a good fit for their case than let them start a treatment that's likely to underperform.