Does Invisalign® treatment hurt?

Woman holding Invisalign

Starting Invisalign treatment can be an exciting step toward achieving the smile of your dreams, but it's only natural to wonder what level of discomfort you might feel along the way. Understanding what to expect can make the process smoother and help you feel more prepared for your treatment journey.

Talk about your concerns

Don’t hesitate to talk to your orthodontist if you are concerned about pain and discomfort from straightening your teeth with braces or clear aligners. Knowing your concerns will help your orthodontist support you throughout your treatment plan. Your orthodontist can also help you mitigate any discomfort as you straighten your teeth.

Is Invisalign treatment painful?

Invisalign clear aligners provide a more comfortable orthodontic experience for adults, particularly during the first week of treatment.1 Compared to braces, Invisalign patients report lower levels of pain and fewer disruptions to their daily lives, including reduced functional and psychological impacts.2 This makes Invisalign a more appealing option for those seeking a smoother transition into orthodontic treatment.

The extent of pain and how deeply it’s felt can vary greatly from person to person. Factors such as age, stress levels, emotional state, individual pain tolerance, and even cultural differences can all influence how someone perceives discomfort.3 While pain during orthodontic treatment is common, it can affect patient satisfaction and, in some rare cases, lead to treatment discontinuation.

How uncomfortable are Invisalign aligners?

A study comparing Invisalign aligners with traditional braces found that participants reported less pain with Invisalign aligners.4 The level of discomfort experienced can be affected by factors such as pain tolerance, tooth or gum sensitivity, and conditions like gingivitis. Overall, the research indicates that Invisalign aligners may be a more comfortable option than metal braces based on reported experiences.5

Get a sneak peek of your new smile

Staying focused on your goal can help make the journey more manageable. That's where Invisalign SmileView™ comes in - a powerful tool that lets you see a simulated preview of what your smile could look like after treatment. With Invisalign SmileView, you can get a glimpse into your potential new smile, helping you stay motivated and excited about your orthodontic journey. To get started, simply visit the Invisalign SmileView page or download the My Invisalign™ app.

How long does it take to adjust to Invisalign aligners?

Studies have shown that adults starting orthodontic treatment with Invisalign clear aligners tend to experience less discomfort and fewer disruptions to their daily lives compared to those using traditional fixed appliances.1 In fact, during the first week, Invisalign patients reported lower levels of pain and fewer issues with both function and emotional well-being.2 This makes Invisalign a more comfortable option for those looking to straighten their teeth.

A More Comfortable Orthodontic Solution

Invisalign aligners are made from a proprietary material that moves your teeth more predictably and comfortably.6 They are trimmed based on each patient’s gum line to provide optimal patient comfort and aesthetics.

Invisalign treatment is frequently regarded as a more comfortable alternative to conventional orthodontic methods such as braces.7 Unlike traditional braces, which require tightening of brackets and wires, Invisalign offers a treatment experience that generally involves less discomfort.7

Talk to your orthodontist

If you’re curious about Invisalign aligners or want to know more about treatment options, talk to your orthodontist. They can answer your questions and help you come up with a strategy to achieve the smile of your dreams. Don’t have an orthodontist? Use the Find a Doctor tool to find a vetted provider near you.



Disclaimer: The information provided on this website is for educational and informational purposes only and does not constitute medical advice. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. You should consult your healthcare provider regarding any dental or medical condition and not disregard or delay seeking advice based on information found here. Individual experiences with treatments, such as Invisalign, may vary. Comparative statements are based on cited studies and are not intended to imply clinical superiority. Always seek professional advice for your specific needs.

Wonder if Invisalign treatment is right for you?

  1. Based on lower percentage of Invisalign patients reporting pain than patients treated with passive self-ligating fixed appliances (p=0.001) and lower mean visual analogue scale (VAS) scores at 4 hours, 24 hours, day 3, and day 7, during the first week of treatment, on 64 adult patients treated in private clinic in Saudi Arabia (average age 26 years, 32 Invisalign treatment, 32 passive self-ligating fixed appliances) on Class I mild to moderate crowding. Almasoud NN. Pain perception among patients treated with passive self-ligating fixed appliances and Invisalign aligners during the first week of orthodontic treatment. Korean J Orthod 2018;48:326-332.
  2. Based on the Invisalign patients reporting fewer negative impacts on overall quality of life (P<.0001), and recoded less impact in each quality of life subscale evaluated (functional, psychosocial, and pain-related, all P <.003). In addition, the visual analog scale pain reports showed that Invisalign patients experienced less pain during the first week of treatment (P <.0001). The fixed appliance patients took more pain medications than the Invisalign patients at days 2 and 3 (both P <.007), on 60 adult patients (average age 28.6 years, 33 Invisalign treatment, 27 fixed appliances). Kevin Miller et al. “A comparison of treatment impacts between Invisalign aligner and fixed appliance therapy during the first week of treatment.” American Journal of Orthodontics and Dentofacial Orthopedics. Volume 131, Issue 3, pp. 302. e1-302.e9, March 2007.
  3. Cardoso P (2020 Jan 20) Pain level between clear aligners and fixed appliances; a systematic review Prog Orthod. https://pmc.ncbi.nlm.nih.gov/articles/PMC6970090/
  4. In a study by Miller et al, with adults measuring pain in the first week of treatment. Kevin Miller et al. “A comparison of treatment impacts between Invisalign aligner and fixed appliance therapy during the first week of treatment.” American Journal of Orthodontics and Dentofacial Orthopedics. Volume 131, Issue 3, pp. 302. e1-302.e9, March 2007.
  5. In a pain score of 1-9, 1 being ‘extremely painful’ and 9 ‘not at all painful’, Invisalign Canadian adult patients (Qty:56) rated pain score of 6.3 vs Canadian traditional metal braces adult patients (Qty: 84) rated pain score of 5.6.
  6. Compared to Invisalign aligners previously made from single-layer (EX30) material. In a study by Miller et al, with adults measuring pain in the first week of treatment. Kevin Miller et al. “A comparison of treatment impacts between Invisalign aligner and fixed appliance therapy during the first week of treatment.” American Journal of Orthodontics and Dentofacial Orthopedics. Volume 131, Issue 3, pp. 302. e1-302.e9, March 2007.
  7. Study sponsored by Align Technology and based on adult Class I, nonextraction, mild to moderate crowding cases with SmartTrack material. David W. White, Katie C. Julien, Helder Jacob, Phillip M. Campbell and Peter H. Buschang, Discomfort associated with Invisalign and traditional brackets: A randomized, prospective trial. The Angle Orthodontist Nov 2017, Vol. 87, No. 6 pp. 801-808