You make sure your child brushes their teeth every day. Maybe you even supervise, help them reach the back teeth, and remind them not to skip before bedtime. So when the dentist tells you your child has another cavity, it can be frustrating.
If you’ve ever wondered, “Why does my child keep getting cavities even though we brush?” you’re definitely not the only parent asking.
The truth is that brushing is incredibly important, but it’s only one part of preventing cavities. Everything from what your child eats and drinks to the shape of their teeth can affect their risk for tooth decay.
At Inspire Kids Dental, we want parents to understand why cavities happen and, more importantly, what you can do to help prevent them.
1. Kids Aren’t Always Great Brushers
Your child may brush twice a day, but how they brush matters just as much as how often.
Children can easily miss:
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The very back molars
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The gumline
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The inside surfaces of their teeth
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Areas between teeth
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Deep grooves on chewing surfaces
Young children usually still need help brushing thoroughly. Even older kids may benefit from a parent checking their brushing from time to time.
A good rule is to brush for about two minutes, twice a day, using a soft-bristled toothbrush and an appropriate amount of fluoride toothpaste.
2. Frequent Snacking Can Increase Cavity Risk
It isn’t always the amount of sugar a child eats that matters. How frequently their teeth are exposed to it can be just as important.
Every time your child eats or drinks something containing sugar or certain carbohydrates, bacteria in the mouth can produce acids that attack tooth enamel.
If your child is constantly grazing throughout the day, their teeth may have fewer opportunities to recover between these acid attacks.
Crackers, cereal, granola bars, fruit snacks and other foods that don’t necessarily seem like “candy” can also stick to teeth and contribute to cavities.
Try keeping snacks to more defined times when possible and offering water between meals.
3. Drinks Can Be a Hidden Source of Sugar
Juice, sports drinks, flavored milk, sweet tea and other sweetened beverages can expose your child’s teeth to sugar over and over again.
Even 100% fruit juice contains natural sugars that can contribute to tooth decay.
For everyday sipping, water is usually the most tooth-friendly choice.
This is especially important at bedtime. After brushing at night, stick with water rather than milk, juice or another sweetened drink.
4. Your Child May Have Deep Grooves in Their Molars
Have you ever looked closely at the chewing surface of a molar? Those little pits and grooves can be surprisingly deep.
For some children, they’re deep enough that toothbrush bristles have difficulty cleaning them completely.
Food and bacteria can collect in these areas, making molars particularly susceptible to cavities even when your child brushes regularly.
This is one reason we may recommend dental sealants. A sealant creates a thin protective covering over the grooves of the tooth, helping keep food and bacteria out of areas that are difficult to brush.
5. Flossing Matters Too
A toothbrush can’t effectively clean the tight spaces between teeth.
When two teeth touch each other, plaque and food can become trapped between them. Cavities that develop in these areas may not be obvious just by looking in your child’s mouth.
That’s where flossing comes in.
Once your child’s teeth begin touching, regular flossing can become an important part of preventing cavities between the teeth.
6. Some Kids Are Simply More Prone to Cavities
Two children in the same family can have similar diets and brushing habits and still have very different experiences with cavities.
Factors such as tooth anatomy, enamel strength, saliva, oral bacteria and genetics may influence a child’s risk for tooth decay.
That doesn’t mean cavities are inevitable. It may simply mean that a child who is more cavity-prone could benefit from additional preventive care and closer monitoring.
7. Fluoride Can Help Strengthen Teeth
Fluoride helps strengthen tooth enamel and make it more resistant to the acids that cause cavities.
Using an age-appropriate amount of fluoride toothpaste at home can be an important part of cavity prevention. Depending on your child’s individual needs and cavity risk, your dental team may also recommend professional fluoride treatments.
8. Regular Dental Visits Can Catch Problems Early
Cavities don’t always hurt when they’re small. In fact, your child may feel perfectly fine while decay is beginning to develop.
Routine dental visits allow us to monitor your child’s teeth, identify areas that may be difficult to keep clean and catch potential problems before they become larger.
Preventive visits are also a great opportunity to talk about your child’s specific brushing habits, diet and individual cavity risk.
Cavities Don’t Automatically Mean You’re Doing Something Wrong
If your child keeps getting cavities despite regular brushing, don’t get discouraged.
There usually isn’t one single cause. Cavities develop because of a combination of bacteria, diet, tooth anatomy, oral hygiene habits and other individual factors.
The goal isn’t to make parents feel guilty. It’s to figure out why your particular child is developing cavities and create a realistic plan to help reduce their risk going forward.
Kids Dental Care in Ooltewah, TN
At Inspire Kids Dental, we love helping families understand their children’s smiles and build healthy habits that can last a lifetime.
If you’re concerned about recurring cavities or simply want to make sure your child’s brushing and preventive routine are on the right track, we’re here to help.
Looking for kids dental care in Ooltewah or the surrounding Chattanooga area? Contact Inspire Kids Dental to schedule your child’s visit today.