Teeth whitening products, in general, are known to cause sensitive teeth. As such, you must choose a teeth whitening pen with a lower peroxide level. This level will depend on your teeth’s sensitivity. Head off for a good night's sleep while the serum whitens your teeth overnight. The next morning, brush your teeth as usual to easily remove the invisible film.

Well, unfortunately, your beautifully white and stain-free teeth are not going to stay that way, especially if you like to drink coffee, red wine or other highly-pigmented food or drinks! But if you maintain your teeth after whitening, then they have a higher chance of staying white for longer. verifyErrors }}{{ message }}{{ /verifyErrors }}{{ How you use a teeth whitening pen depends on the kind of results you’re expecting. You can use a teeth whitening pen as a full teeth whitening treatment, using a pen once to twice a day—or more, depending on the manufacturer’s instructions—for a week to see higher-level results. The color pigments (chromogens) found in coffee, tea, and red wine bind with the outermost layer of the teeth (enamel), causing stains.Besides feeling a chemical burn, you might recognise gum irritation during the whitening process if your gums develop white spots or parts of your gum turn white. Your gums might become inflamed, and you could experience tooth sensitivity as well. How To Prevent and Protect Burned Gums From Teeth Whitening

The gold standard for whitening treatments is a formula containing 10% carbamide peroxide. 7,8 Studies have also found that sodium fluoride, sodium hexametaphosphate, and hydrated silica are effective whitening agents. 8,9

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Snow is another good whitening kit that has gel pens that you use to paint the whitening gel directly on your teeth, or again you can just buy the refills. The whitening agent in this whitening gel contains hydrogen peroxide. For true whitening success, you need to know what type of whitening kit to use and whether or not whitening products are safe for you. Experts recommend avoiding whitening products altogether if you have gum or mouth disease, untreated tooth decay, or significantly worn enamel. If a specialist has given you the green light to begin using at-home whitening products, you can select the right product based on ingredients and price. In addition to having effective ingredients like carbamide peroxide and hydrogen peroxide, the best product for you will fit into your routine and budget.

However, if you see PAP (or phthalimido-peroxy-caproic acid) on the ingredient label, steer clear. The dentists we spoke to said this ingredient is not recommended for whitening at all due to reports of lingering sensitivity. Hydrogen peroxide, when used correctly as a whitening agent, shouldn't cause lingering sensitivity. In testing, this gel was easy to put on and caused no discomfort during or after application (including for those of us with sensitive teeth). The mouthpiece fit well and stayed in place, thanks to the fact that it’s soft and flexible, not rigid. We also loved that the tray could be plugged into our smartphones, so we could get up and move around the house while we waited out the whitening time. We used the products for the first time in our Verywell Testing Laband continued to use them at home according to manufacturer instructions. In the Lab and at home, we took note of how easy it was to set up and apply the product or treatment, as well as how our teeth felt before and after the treatment (e.g., if there was any sensitivity or discomfort from the appliance or device itself). Whitening strips can be a messy, awkward affair, but the Crest 3D Whitestrips for Sensitive Teeth could not have been easier for us to use. The strips went on and came off without any trouble and didn’t cause any pain, stinging, or sensitivity during or after use. And they worked, too—we were able to see a noticeable difference as soon as we took the first strip off our teeth and felt confident that the results would keep improving from there (with this particular kit, you’re directed to use the strips for 28 days).To choose the best teeth whitening pens, we researched the top options, including a few we tested in our lab tests. We considered each pen for its ingredients, wear time, number of applications, and time to results for touch-ups and full whitening treatments. Many whitening products can leave you with a sloppy mess on your hands (and teeth!), but we found the iSmile Teeth Whitening Kit to be a tidier and more effective alternative to some of the other kits we tested. As we tested, we realized you can apply the gel to the mouthpiece before inserting it, which aids in making sure you’ve got the right amount and that all the whitening solution really covers your teeth. Generally, though, Dr. Izhaky says strips are safe to use twice a day for up to two weeks for a maximum of 30 minutes at a time. Depending on the ingredient percentage, she adds, gels can be used for one to two hours per day for two weeks as well.

Besides using a teeth whitening gel, there are other ways to whiten your teeth. You can use a daily whitening toothpaste to remove stains. Unlike regular whitening toothpaste that just removes surface stains, our Max White Ultra Toothpaste and Max White Ultimate Toothpaste safely get below your enamel to reverse stains caused by food and drink. Gel pens: These require you to paint the gel onto your teeth, which is quite possibly the best method as you can make sure to get an even amount on your teeth and none on your gums. Sensitivity-friendly ingredients: If you have sensitive teeth, "carbamide peroxide is less sensitizing than hydrogen peroxide because it takes more time for the whitening action to occur," Dr. Huang explains. For extremely sensitive teeth, there are also products that don’t contain peroxide, and instead are made with ingredients like aloe vera and coconut oil, which have natural whitening effects that pull stains from the teeth, she says. "They're not as effective as peroxide, but are a good natural option that’s gentler on the teeth," Dr. Huang notes. Chewing gums — These contain peroxide-based whitening ingredients and work to remove surface stains while freshening your breath

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Dr. Yazdani does note that you should be careful when applying teeth whitening pens, since they do require a little more free-hand work than most other whitening treatments. “Ensure you brush or rinse your mouth after directed use to help lower the risk of irritating your gums,” he says, because “if applied incorrectly, there is the possibility of irritating the gums.” Still, if you know your teeth are particularly sensitive, you can aim for a whitening product with 3 to 10 percent carbamide peroxide, says Dr. Izhaky. Initially, we couldn’t leave the tray in for the recommended 15 minutes because it was so uncomfortable. But over time, we did get used to it. The best part was that our teeth whitened. Even though we only left it in for about eight minutes, our teeth went up a full shade. It hurt, but the pain was worth it in our eyes. We also started with the highest concentration possible, which we wouldn’t recommend if you have sensitive teeth or have never whitened your teeth before (in that case, you may want to start with the lowest concentration and work your way up from there).