Teeth Straightening for Teenagers: Braces, Aligners, NHS and Cost

What are the teeth straightening options for teenagers?

Teenagers have three main routes: NHS fixed braces (free for those who meet the clinical eligibility threshold), private fixed braces (metal, ceramic, or lingual), and clear aligners such as Invisalign Teen. The right option depends on IOTN eligibility, case complexity, appearance preferences, and budget. Most orthodontists will assess all three routes at an initial consultation so your teenager understands every realistic option before committing.

Is my teenager eligible for free NHS teeth straightening?

NHS orthodontic treatment is free for patients under 18 who score highly enough on the Index of Orthodontic Treatment Need (IOTN), which grades cases from 1 (no need) to 5 (severe need). Grades 4 and 5 automatically qualify, and some grade 3 cases qualify if there are additional aesthetic concerns. NHS treatment is provided using functional fixed metal braces rather than ceramic braces or clear aligners. Your teenager's dentist can refer them for an NHS orthodontic assessment to establish their IOTN score.

How much does private teenage orthodontic treatment cost?

Private teenage orthodontic treatment in the UK typically costs between £1,800 and £4,500 depending on the appliance type and case complexity. Metal braces tend to sit at the lower end, ceramic braces and clear aligners in the middle to upper range, and lingual (behind-the-teeth) braces at the top. Many practices offer monthly payment plans to spread the cost across the treatment period, and some offer sibling discounts for families with more than one child in treatment at the same time.

Braces vs clear aligners for teenagers — which is better?

Fixed braces work continuously with no compliance required from your teenager beyond good oral hygiene, making them a reliable option for more complex cases or for teens who may not consistently wear removable aligners. Clear aligners such as Invisalign Teen are more discreet and removable for eating and sport, but require 20 to 22 hours of wear per day to stay on track. Teenagers who are organised and motivated tend to do well with aligners, while those who need a lower-maintenance option are often better suited to fixed braces.

What is the right age for a teenager to start orthodontic treatment?

Most orthodontic treatment for teenagers starts between ages 11 and 14, once most or all adult teeth have erupted. Starting at the right developmental stage — rather than simply the earliest possible age — usually gives more predictable, efficient results. An assessment can confirm whether your teenager's teeth and jaw are ready, or whether it is worth waiting a further 6 to 12 months for more teeth to come through before treatment planning begins.

How long does teenage orthodontic treatment usually take?

Treatment time for teenagers ranges from around 12 months for mild crowding or spacing to 24 months or more for complex bite corrections. Fixed braces and clear aligners generally achieve similar results within a similar timeframe for comparable cases, though fixed braces can sometimes offer more predictable control for complex tooth movements. Your orthodontist will give an estimated timeline once they have assessed your teenager's specific case.

What happens if my teenager does not qualify for NHS treatment?

If your teenager's IOTN score does not meet the NHS threshold, private treatment is the only route to straighten their teeth before adulthood, though many patients choose to wait and pursue NHS eligibility reassessment if their case changes. Private treatment offers a wider choice of appliances, including ceramic braces and clear aligners not available on the NHS, and can usually start more quickly than an NHS waiting list. Getting an online assessment first can help you understand realistic private costs before booking any in-person consultations.

How do I get started with an assessment for my teenager?

The first step is a clinical assessment — either via an NHS referral from your teenager's dentist, or through a private consultation. An online photo assessment through Virtual Consultant Online lets a clinician review your teenager's case remotely and provide guidance on suitability, likely options, and indicative private costs before you commit to an in-person appointment, helping you compare NHS and private routes side by side.

Useful related pages

This guide is for general information only. It is not a diagnosis, treatment plan, or substitute for advice from a registered dentist or orthodontist.