November 20, 2025, 10:28 a.m.
Emily Hahn, DDS
Emily Hahn, DDS, a pediatric dentist with St. Louis Children's Hospital, explains why kids sometimes develop sensitive teeth, what families can do at home, and when to schedule a checkup.
When Ice Cream Hurts: Helping Kids With Sensitive Teeth
Ice cream and cold drinks should bring a smile to kids' faces. If your child winces instead, they may have sensitive teeth. Tooth sensitivity is fairly common in children and can turn favorite treats and even daily brushing into painful experiences.
What is tooth sensitivity?
Tooth sensitivity is discomfort triggered by hot, cold, sweet, or acidic foods and drinks. Kids often describe it as a quick, sharp pain that subsides once the trigger is removed.
Why it happens
There are several reasons why children develop sensitive teeth. When teeth first come in, the nerve inside the tooth is the largest. As we age, the nerves in our teeth, known as the pulp, get smaller. Enamel, the hard outer layer that protects teeth, can wear down due to brushing too hard, chewing ice, or consuming acidic beverages. Cavities or tiny cracks may expose the softer underlying layer called dentin, allowing sensations to reach the nerves. Orthodontic adjustments or recent dental treatments can also temporarily increase sensitivity. While less common in children, gum problems can also play a role.
How families can help at home
Simple steps can make a big difference. Encourage your child to use a soft-bristled toothbrush and brush gently to protect the enamel. Switching to toothpaste made for sensitive teeth often helps. Limiting sodas, citrus, and sports drinks reduces acid exposure, while avoiding hard candy and ice lowers the risk of cracks and wear. Nutritious meals, plenty of water, and consistent brushing all strengthen teeth over time.
When to see the dentist
If your child's sensitivity lingers or worsens, it’s time for a dental evaluation. A pediatric dentist can examine for cavities, enamel loss, or other dental issues and recommend appropriate treatment. Options may include fluoride varnish, sealants, or repairing small areas of decay. In many cases, sensitivity improves quickly once the cause is identified and treated.
Helping kids enjoy their treats again
Sensitive teeth can be discouraging, but with early attention, kids can get back to enjoying ice cream, hot chocolate, and all their favorite foods without pain. Regular checkups and good home habits are the best way to protect growing smiles.
Emily Hahn, DDS, is a board-certified pediatric dentist with St. Louis Children's Hospital. She provides comprehensive oral health care for infants, children, adolescents, and patients with special health care needs. Dr. Hahn is passionate about creating positive dental experiences, promoting preventive care, and helping families build healthy habits early in life. In addition to treating patients in the clinic and hospital settings, she is actively involved in dental education, outreach, and supporting programs that expand access to care for children across the region.
