Dry Mouth With Braces: Why It Happens and What Actually Helps

Your braces are on, your mouth feels dry and sticky, and the new hardware looks like the obvious suspect. It’s a fair guess. It’s also probably the wrong one.

The major health sources don’t list braces as a cause of dry mouth. The more useful move is to check the causes they do list, which takes a few minutes, and to start a relief routine that works around brackets and wires. This guide covers both, plus the signs that mean it’s time to get checked.

Do Braces Cause Dry Mouth?

Not according to the health sources that list the causes of dry mouth. Dry mouth (the medical term is xerostomia) has well-documented causes, and three major health sources publish them: the NIDCR’s dry mouth page, the ADA’s MouthHealthy site and Mayo Clinic. Between them, they name medicines, certain diseases, cancer treatment, nerve damage, mouth breathing, tobacco and alcohol. Braces and other orthodontic appliances don’t appear on any of the three.

The research that looks directly at braces and saliva points, if anything, the other way. A 2023 systematic review in the Turkish Journal of Orthodontics looked at seven studies of people in treatment with fixed braces. Stimulated saliva flow, the saliva your mouth makes when something like chewing gets it going, tended to go up during treatment. Resting saliva flow gave mixed results.

The authors are clear that the evidence isn’t strong enough yet for firm conclusions. So the fair reading is that braces don’t appear to dry your mouth out, which is a smaller claim than saying they never could.

So why does it feel like the braces did it?

When dryness shows up around the same time as new braces, it’s natural to connect the two. Braces can also play an indirect part:

• Mouth breathing. New braces can make closing your lips over your teeth feel awkward at first, and some people may breathe through their mouth more as a result. Mouth breathing is a recognized cause of dry mouth on its own.
• Drinking less. Some people sip less water to avoid food getting stuck in their braces, which means less moisture going in.

In both cases, the fix is the habit, not the braces.

What’s Actually Drying Your Mouth Out?

Run through this quick self-check. Any “yes” is worth acting on.

1. Are you taking any medicine? Medicines are one of the most common causes of dry mouth, according to Mayo Clinic, and hundreds of them can do it. They include drugs for high blood pressure, depression, anxiety and bladder control, plus everyday ones like antihistamines, decongestants, pain relievers, muscle relaxants and diuretics. Over-the-counter allergy and cold medicines count.
2. Do you breathe through your mouth or snore? Both are recognized causes of dry mouth. Clues: you wake up with a parched mouth, or you catch yourself with your lips apart during the day.
3. How much water are you actually drinking? Be honest about whether braces have you skipping the water bottle.
4. Caffeine, alcohol or tobacco? NIDCR advises cutting back on caffeine and avoiding tobacco and alcohol when your mouth is dry, and tobacco and alcohol are recognized causes in their own right.
5. Any other health conditions? NIDCR links diabetes, Sjögren’s disease and HIV/AIDS to dry mouth, along with radiation, chemotherapy and nerve damage from a head or neck injury. These are for a doctor to sort out, not something to self-diagnose.

One safety rule: if a medicine looks like the cause, don’t stop taking it or change how you take it on your own. Talk to the doctor who prescribed it. NIDCR notes that your doctor may be able to change your medicine, and that’s a decision to make together. The same goes for an allergy medicine you rely on: ask your doctor about alternatives rather than just stopping.

How to Relieve Dry Mouth With Braces

Most of these steps come from the self-care advice published by NIDCR and Mayo Clinic, adjusted for brackets and wires. Start with water and nose breathing today, since neither needs a trip to the store.

1. Keep water within reach and sip all day

NIDCR suggests drinking about 8 to 12 cups of water a day. With braces, the trick is making it easy: carry a bottle and sip from it through the day. Reach for water instead of caffeinated or sugary drinks, too (more on those in step 5).

Check: you should be refilling that bottle a few times a day. If it comes home as full as it left, you’re not there yet.

2. Breathe through your nose, and run a humidifier at night

Breathe through your nose rather than your mouth, and run a humidifier at night; both are standard self-care tips from the sources above. If you wake up with a dry mouth, the bedroom humidifier is the step to try first.

During the day, when you catch your lips apart, close them and switch back to nose breathing. Keep a rough note of how your mouth feels when you wake up, so you can tell whether any of this is helping.

3. Gum and hard candy: where braces change the advice

Sugar-free gum and sugar-free hard candy show up in the dry mouth advice from NIDCR, the ADA and Mayo Clinic, because they get saliva flowing. None of that advice is written with braces in mind.

With braces, the advice changes. Our office lists gum among the foods to avoid with braces, and the American Association of Orthodontists advises avoiding hard candy and hard mints, along with sticky candies such as taffy and caramel that can loosen brackets.

So the rule with braces is simple: get the saliva boost without gum or hard candy.

• Keep sipping water through the day.
• Suck on ice chips to moisten your mouth. Don’t crunch them.
• Ask your orthodontist whether a sugar-free lozenge or a dry-mouth product such as a saliva substitute is OK with your appliance. They know your appliance and can tell you what is safe for you.

If you hear a crunch, you’re chewing.

4. Switch to a dry-mouth-friendly rinse and toothpaste

• Mouthwash: Skip mouthwash that contains alcohol. Read the label before you buy, and choose an alcohol-free rinse or one made specifically for dry mouth.
• Saliva substitute: over-the-counter saliva substitutes come as sprays, gels and rinses, and they’re a useful backup when water alone isn’t enough. Mayo Clinic mentions products containing xylitol, carboxymethylcellulose or hydroxyethyl cellulose.
• Toothpaste: Use a fluoride toothpaste. Brackets and wires already make cleaning more work, so pair it with a solid routine; our guide on how to brush and floss teeth with braces walks through it.

5. Go easy on foods and drinks that dry you out

Avoid foods that are dry, salty, spicy, sugary, acidic or hard to chew when your mouth is dry, cut back on caffeine, and steer clear of tobacco and alcohol.

If you wear braces, the hard-to-chew part probably sounds familiar. Our guide to foods to avoid when wearing braces covers the braces side of the menu.

Dry mouth with braces: at a glance

Category	What’s in it
Helps	Sipping water all day; nose breathing; a humidifier at night; an alcohol-free or dry-mouth rinse; a saliva substitute spray, gel or rinse; fluoride toothpaste; ice chips, sucked slowly (not crunched)
Check with your orthodontist first	Sugar-free lozenges; dry-mouth products such as saliva substitutes
Skip or cut back	Mouthwash with alcohol; caffeine, alcohol and tobacco; chewing gum, hard candy or hard mints, and sticky candy; dry, salty, spicy, sugary, acidic or hard-to-chew foods; over-the-counter antihistamines and decongestants where you can (ask your doctor before changing any medicine)

Why Does Dry Mouth Matter While You’re Wearing Braces?

According to NIDCR, dry mouth increases the risk of tooth decay or fungal infections in the mouth, because saliva helps keep harmful germs in check. Saliva also contains minerals such as calcium and phosphate that help keep teeth strong and fight decay. Think of it as an all-day mineral rinse you never have to remember to use.

With braces on, that protection is worth holding onto. Keep up your regular dental checkups during treatment. And for the specific worry of marks forming around your brackets, see our guide to white spots on teeth from braces.

When Should You Get Dry Mouth Checked?

See a dentist or doctor if your mouth stays dry after you’ve worked through the steps above. Both NIDCR and Mayo Clinic say to see a dentist or doctor to find the cause if self-care doesn’t improve things. A doctor can check for the medicines and health conditions a self-check can’t rule out.

• If the dryness started around when you began a new medicine: talk to the doctor who prescribed it. Don’t stop or change it on your own.
• If you’ve tried the routine and your mouth is still dry: book a dentist or doctor visit to find the cause.
• Either way: mention it at your next braces appointment so your orthodontist knows.

Pro tip: before the appointment, jot down every medicine you take, including over-the-counter ones, and when the dryness is worst. It gives your dentist or doctor a head start.

If you’re a current Hulse Orthodontics patient, call us at (760) 448-1344 with questions about your braces. If you’re in Carlsbad and considering braces, Dr. Cameron Hulse is a specialist orthodontist, and you can book a free consultation to talk through your options.

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