Most mouth sores from braces heal on their own within one to two weeks, but you can speed up recovery and cut the pain significantly with a few simple strategies. The sores form because brackets, wires, and bands rub against the soft tissue inside your lips, cheeks, and tongue, eventually breaking down the protective lining and creating small ulcers. The good news: your mouth does toughen up over time, and the worst of it usually hits in the first week after getting braces or having them adjusted.
Why Braces Cause Mouth Sores
Every time you talk, chew, or move your jaw, your orthodontic hardware shifts slightly against the inside of your mouth. That constant friction wears through the thin mucosal lining, creating raw spots that can develop into full ulcers. The most common locations are the inner lips (right where they press against the front brackets), the insides of your cheeks, and occasionally the tongue or soft palate if a wire is poking out of place.
The irritation is usually worst after your initial placement and after each adjustment, when new pressure points form. Most people notice soreness peaking around days two to three, then gradually fading over the following week as the tissue begins to adapt.
Use Orthodontic Wax as a Barrier
Orthodontic wax is the single fastest way to stop a sore from getting worse. Pinch off a pea-sized piece, roll it into a small ball, and press it directly over the bracket or wire section that’s rubbing against the sore. Smooth it down so it covers the sharp edges completely. The wax creates a buffer between the metal and your tissue, giving the area a chance to heal without constant re-irritation.
Remove the wax before eating to keep food from getting trapped in it, and replace it at least once or twice a day with a fresh piece. If you find that traditional wax falls off too easily, dental silicone products (sometimes sold as OrthoDots) use moisture-activated adhesion to stay in place much longer. They’re roughly 20 times more flexible than standard wax, which makes them more comfortable and harder to dislodge accidentally.
Saltwater Rinses for Healing
A simple saltwater rinse is one of the most effective home treatments for oral ulcers. Mix one teaspoon of table salt into eight ounces of warm water until it fully dissolves. Swish the solution around your mouth for 15 to 30 seconds, making sure it reaches the sore, then spit it out. You can do this up to four times a day, and it’s especially helpful right after meals when food particles may be sitting against the irritated area.
Salt water works in two ways: it draws fluid out of swollen tissue, which reduces inflammation, and it creates an environment that discourages bacterial growth. This combination helps the sore heal faster and lowers the risk of infection in the open wound.
Over-the-Counter Pain Relief
Topical numbing gels containing benzocaine can take the sting out of a sore almost immediately. Apply a small amount directly to the ulcer with a clean finger or cotton swab. You can reapply as needed, but limit use to no more than four times per day and avoid using it for more than two consecutive days without checking with your orthodontist or dentist.
For more general soreness that affects your whole mouth (common after adjustments), an over-the-counter pain reliever like ibuprofen can reduce both pain and inflammation. Antiseptic mouth rinses containing hydrogen peroxide, sometimes marketed specifically for orthodontic patients, can also help keep sores clean and promote healing. Chlorhexidine rinses are another option your orthodontist may recommend for persistent irritation.
Foods That Help and Foods That Hurt
What you eat matters more than you might expect when you have open sores in your mouth. Acidic and spicy foods are the biggest offenders. Citrus fruits, tomatoes, hot sauce, and vinegar-based dressings all sting on contact with an ulcer and can slow healing. Even mildly acidic foods like orange juice can be surprisingly painful.
Hard, crunchy foods create their own problems. Raw carrots, chips, nuts, popcorn, crusty bread, and toast can scrape directly against sore spots or snap off bracket pieces that create new irritation points. Sticky foods like caramel, taffy, and gum can pull on brackets and wires, shifting them into positions that dig into new areas of tissue.
Stick with soft, cool, neutral foods while your sores are healing. Yogurt, smoothies, mashed potatoes, scrambled eggs, pasta, and soft-cooked vegetables are all gentle on irritated tissue. Cold foods like ice cream or chilled applesauce can also provide temporary numbing relief.
Typical Healing Timeline
After getting braces or having an adjustment, expect the worst soreness to last about three to seven days. Most sores and tender spots improve noticeably within one to two weeks as your mouth adapts to the new pressure points. Each subsequent adjustment tends to cause less irritation than the one before, because the tissue inside your mouth gradually thickens and toughens in the areas that contact your hardware most often.
If a sore hasn’t started improving after a week of consistent home care, or if it’s getting worse rather than better, that’s worth a call to your orthodontist. The same goes for severe pain that doesn’t respond to over-the-counter remedies, visible swelling that spreads beyond the sore itself, or any sign that a bracket or wire has shifted out of position.
When the Problem Is Your Hardware
Sometimes the issue isn’t just normal friction. A bracket that’s come loose, a wire that’s slipped out of its tube and is poking into your cheek, or a broken band can all cause sores that won’t heal no matter how much wax you apply, because the sharp edge keeps re-traumatizing the same spot.
If you can see a wire sticking out, you can try gently pushing it back toward the tooth with a clean pencil eraser or the back of a spoon. Cover the area with wax to protect your tissue in the meantime. But contact your orthodontist’s office as soon as possible. Explain what happened and what you’re feeling. They may walk you through a temporary fix over the phone, schedule an earlier visit, or coordinate with your general dentist if needed. Leaving a broken bracket or loose wire unaddressed can also set back your treatment timeline, so it’s worth reporting even if the discomfort is manageable.
Building Long-Term Comfort
The first month of braces is almost always the hardest. Your cheeks and lips haven’t developed the slight callusing that comes with prolonged contact against metal, and every adjustment introduces new friction points. By month two or three, most people find that sores become much less frequent and heal faster when they do occur.
Keep orthodontic wax with you at all times during those early months. A small case in your bag or desk means you can cover a new irritation point the moment you notice it, before it has a chance to develop into a full ulcer. Staying on top of saltwater rinses after meals, choosing softer foods during the first few days after adjustments, and promptly reporting any hardware issues to your orthodontist will keep sores to a minimum throughout your treatment.