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Teeth whitening is a popular and effective way to enhance your smile, but many people experience sensitivity after treatment. That sudden zing or discomfort when eating or drinking something hot or cold can be frustrating. Fortunately, there are ways to minimize or even prevent tooth sensitivity after whitening, whether you’re using an at-home kit or undergoing professional treatment. Here’s how to protect your teeth and still enjoy a brighter, more confident smile.
Choose the Right Whitening Method
Not all whitening treatments are created equal. Professional whitening performed by your dentist is typically safer and less likely to cause sensitivity because it’s tailored to your needs. Over-the-counter products may contain harsh or abrasive ingredients and often aren’t customized to fit your teeth properly, increasing the risk of discomfort.
Your dentist can also adjust the concentration of the whitening gel if you’re prone to sensitivity and recommend options specifically designed for sensitive teeth.
Use Desensitizing Toothpaste
One of the easiest ways to prepare for and relieve whitening sensitivity is by using sensitivity-reducing toothpaste before and after your treatment. Look for products with ingredients like:
- Potassium nitrate, which calms nerve endings.
- Stannous fluoride, which strengthens enamel.
Start using a desensitizing toothpaste at least a week before your whitening session and continue for several days afterward.
Avoid Hot and Cold Foods Temporarily
After whitening, your teeth may be more porous and reactive to temperature. To reduce discomfort, avoid very hot or cold foods and drinks for at least 24 to 48 hours post-treatment. Opt for room-temperature water, soft foods, and mild-flavored items to give your enamel time to rehydrate and recover.
Don’t Overdo It
More isn’t always better when it comes to teeth whitening. Using whitening strips or trays more frequently than recommended can wear down enamel and lead to long-term sensitivity. Always follow the instructions carefully and take breaks between treatments if needed. If you’re unsure, consult your dentist about how often it’s safe to whiten your teeth.
Use a Fluoride Rinse or Gel
Fluoride helps remineralize enamel and reduce sensitivity. After whitening, your dentist may recommend using a fluoride rinse or fluoride gel trays at home. These products help soothe your teeth and build up resistance to sensitivity over time.
Stay Away from Acidic Foods and Drinks
Acidic foods and drinks like citrus fruits, soda, and wine can irritate already sensitive teeth and erode enamel. It’s best to avoid these for a few days after whitening. If you do consume them, rinse your mouth with water afterward and wait at least 30 minutes before brushing to avoid damaging softened enamel.
Tooth sensitivity after whitening is common, but it doesn’t have to spoil your smile. With the right preparation and care, you can enjoy a noticeably whiter smile without the unpleasant after-effects. Talk to your dentist about your whitening options, especially if you have a history of sensitive teeth.
About the Author
Dr. Brenda Berkal has practiced dentistry for more than 45 years. She is a 1977 graduate of Tufts University and has continued her education with volunteer stints in the military and coursework at the Dawson Academy and the world renowned Pankey Institute. Dr. Berkal is a member of the American Dental Association and the Academy of General Dentistry. Ready to transform your look with a cosmetic treatment? Schedule your appointment today online or call our Derry office at (603) 434-4090.