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Clear aligners vs metal braces: Which is less painful?

Planning to align your teeth and wondering which dental treatment is less painful? You're not alone in this quest. Many people juggle between these choices, so here's the quick answer:

Traditional braces hurt more. That's because the orthodontists have to constantly tighten the wires in braces in order to achieve the desired results. On the other hand, clear aligners are a go-to, more convenient, and painless treatment that aligns your teeth evenly as they apply gentle pressure on your teeth through a set of custom trays.

Still unsure which treatment is right for you? Here is our complete guide comparing clear aligners vs braces, tips on how to manage braces pain, and orthodontic discomfort in general.

Pain with metal braces

You need to be aware of a few scenarios where you might experience pain during the metal braces treatment. These include:

  • An orthodontist starts by putting a band around your back molar. It won't hurt a lot, but you might feel pressure or feel like pinching.

  • With braces on, usually the first 10 days can cause facial and jaw pain, which may lead to tears rolling and loss of sleep.

  • You might feel discomfort and mouth soreness due to sharp wires and brackets.

  • Braces require readjustment. In this case, pain can last typically 3 to 5 days.

Do aligners hurt?

A woman inserting a clear aligner

Clear aligners are a modern way to align your teeth. You might be wondering: Do aligners hurt more than braces? Here's what you should know:

  • Clear aligners are less painful than braces. Your mouth is not used to aligners, so you might feel slight discomfort initially due to the aligner pressure on your teeth.

  • Clear aligners align your teeth with custom-made trays, which might cause slight discomfort and tenderness, but it won't generally last more than 2 to 3 days.

  • The discomfort of eating food with braces on cannot be felt with clear aligners, as you can remove them before eating.

  • Most people report that clear aligners don't cause sharp mouth soreness.

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Clear aligners vs metal braces: Pain level comparison

When comparing the two options, the difference in the pain level of braces vs aligners often comes down to how treatment works and how your body responds.

Pain level of braces vs aligners: Which one is more intense and for how long?

Traditional metal braces tend to cause more widespread discomfort, especially after wire adjustments. Patients often report sore teeth and irritation inside the mouth due to brackets and wires. This discomfort can last for several days after each adjustment.

With clear aligners, the pain is generally milder. The aligner pressure on teeth is more controlled and predictable, usually lasting 1-3 days after switching to a new tray. The absence of metal hardware also means less irritation to your cheeks and gums.

Ongoing vs occasional discomfort

Braces can cause ongoing discomfort, especially with frequent adjustments and food restrictions. Aligners, on the other hand, are associated with occasional discomfort, primarily when starting a new set.

If you're consistent with wearing your aligners, the pressure becomes easier to manage with each tray change. Most patients describe it as a dull pressure rather than sharp pain.

Lifestyle factors

  • Eating: Braces restrict hard, sticky foods and may cause pain when chewing. Aligners are removed during meals, so no food restrictions apply.

  • Oral hygiene: Braces make brushing and flossing more difficult, which can cause gum sensitivity. Aligners can be taken out, making hygiene routines easier and more comfortable.

  • Speech: Both may cause slight speech changes initially, but aligners tend to have a quicker adjustment period.

When it comes to daily life, clear aligners generally offer a more comfortable and flexible teeth straightening experience, with fewer pain points overall.

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Understanding the basics of pain in orthodontics

Tooth Pain. Woman Feeling Tooth Pain. Closeup Of Beautiful Sad Girl Suffering From Strong Tooth Pain. Attractive Female Feeling Painful Toothache. Dental Health And Care Concept - Photos by Canva

A woman experiencing orthodontic discomfort

Orthodontic treatments, whether you choose braces or clear aligners, often come with some level of orthodontic discomfort. This is completely normal and typically part of the adjustment process as your teeth begin to shift. Discomfort is usually temporary and manageable. Knowing what to expect early on helps reduce anxiety and improves your overall teeth straightening experience. Whether you're using clear aligners or metal braces, being prepared can make a major difference in how you perceive and handle pain throughout treatment.

What Causes Orthodontic Discomfort in General?

The primary source of orthodontic discomfort is the pressure applied to move your teeth into their corrected position. This force triggered a biological response in your periodontal ligaments, causing inflammation and mild soreness.

Pain from Shifting Teeth vs Device-Related Soreness

There are generally two types of pain you might experience. The first comes from teeth movement, which creates a dull ache in the jaw or gums. The second type is device-related soreness, caused by brackets, wires, or plastic trays rubbing against soft tissues inside the mouth. Metal wires and brackets in braces can irritate your cheeks and lips. With aligners, aligner pressure on teeth can make the teeth feel slightly sore for the first few days.

Easing the pain: Tips for comfort

Clear aligners can cause mild discomfort that lasts for 2-3 days. The pain of braces is consistent as the wire keeps adjusting by the orthodontist to achieve the desired results. Here are some tips that can help you reduce the pain.

  • Rubbing an oral anesthetic will make teeth and gums numb, and you will not feel any uneasiness of teeth shifting.

  • Taking pain reliever as suggested by your orthodontist can help reduce braces pain.

  • Drinking cold water or beverages can make teeth numb, and you can avoid the braces' pain.

  • Rinse your mouth with warm water can help heal soreness caused due to braces wires.

  • Pain intensity can vary from person to person. Be patient as the pain does begin to lessen in a few days.

Final verdict: Do aligners hurt less than braces?

As clear aligners align your teeth with a set of different custom-made trays, it might cause discomfort in the initial days of the shift, but it is considered to be mild discomfort, and not a sharp one. On the other hand, metal braces align your teeth through metal wires and brackets. They need to be adjusted and tightened until you achieve desirable results, causing sharp discomfort, mouth soreness, jaw pain, and can also cause sleeplessness. In today's world, modern treatments like clear aligners are preferred by most people as it is a convenient, affordable process, and cause less discomfort. So don't hesitate to align your teeth and enjoy that perfect smile with clear aligners.

FAQs

FAQs
Yes, most people report milder discomfort with aligners, especially after the first few days of each new tray.
Braces cause more irritation, discomfort, and mouth soreness due to wires and bracket friction, while aligners cause mild discomfort in the initial days.
Clear aligners are considered the most comfortable option among modern orthodontic treatments.
Typically, discomfort lasts 2-3 days after switching to a new aligner tray.

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References

Miller, B. (2022, December 30). Does Invisalign Hurt Less than Traditional Braces? Newton and Concord MA Orthodontics | Dr. Brian Miller.

https://www.drmillerbraces.net/does-invisalign-hurt-less-than-traditional-braces/

Dr.Behbahani. (2025, May 4). Does invisalign hurt more than braces? Central Valley Dentistry.

https://www.centralvalleydentistry.com/blog/dental/invisalign-pain-vs-braces/

Mintox - Adaptive e-Business Software. (2018, November 28). Invisalign vs Braces: Which is Better? | Expert Comparison. The Orthodontists.

https://www.theorthodontists.com.au/blog/invisalign-vs-braces-the-pros-and-cons-of-each

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