Invisalign is a popular orthodontic treatment known for its clear, removable aligners and convenience. However, many patients wonder, “Can I get cavities during Invisalign treatment?” The answer is yes, cavities are still possible during Invisalign if proper oral hygiene isn’t maintained. Understanding why this happens and how to prevent it can help keep your teeth healthy throughout treatment.
Why Cavities Can Develop During Invisalign
Invisalign aligners fit snugly over your teeth, which is essential for effective tooth movement. However, this close fit can also trap food particles and bacteria against the tooth surface if you put aligners in without brushing. When sugars and plaque remain on the teeth, bacteria produce acids that weaken enamel and lead to cavities.
Additionally, aligners are typically worn 20 to 22 hours a day. If your teeth aren’t clean before reinserting them, plaque has extended contact time with enamel, increasing the risk of decay. Drinking anything other than water while wearing aligners—especially sugary or acidic beverages—can further contribute to cavity formation.
Factors That Increase Cavity Risk
Some patients are more prone to cavities during Invisalign treatment. Those with a history of frequent cavities, gum recession, or dry mouth may face higher risk. Snacking often without brushing afterward, inconsistent flossing, or skipping dental checkups can also raise the likelihood of developing decay during orthodontic care.
How to Prevent Cavities with Invisalign
Preventing cavities during Invisalign is very manageable with good habits. Brush your teeth after every meal or snack before putting your aligners back in. Floss daily to remove plaque between teeth, where cavities commonly form. Using fluoride toothpaste helps strengthen enamel, and your dentist may recommend fluoride rinses or treatments for added protection.
It’s also important to clean your aligners regularly. Rinse them when you remove them and gently brush them with a soft toothbrush or use Invisalign cleaning crystals to prevent bacteria buildup. Avoid hot water, which can warp the aligners.
Continue Regular Dental Visits
Routine dental cleanings and exams are essential during Invisalign treatment. Your dentist can monitor your oral health, catch early signs of cavities, and address issues before they become more serious. Orthodontic treatment should never replace regular dental care.
Yes, cavities can develop during Invisalign treatment, but they are not inevitable. With consistent oral hygiene, smart eating and drinking habits, and regular dental visits, you can keep your teeth healthy while achieving a straighter smile. Invisalign works best when paired with strong preventive care, ensuring your treatment ends with both a beautiful and healthy result.
About the Author
Dr. Jeffrey Neal is a 1997 graduate of the Medical College of Virginia School of Dentistry, receiving the Society of Dentistry for Children Award. He completes nearly 200 hours of continuing education courses per year to stay on the cutting edge of dental treatment and has finished 3 postgraduate residency programs in TMJ disorders, orthodontics, and dental sleep medicine. Dr. Neal also stays current through memberships in the American Dental Association, the Virginia Dental Association, and the Richmond Dental Society. If you’re interested in Invisalign treatment, we’d love to serve your needs and help you meet your goals. Schedule an appointment online or call (804) 447-1435.