(425) 348-8484What Are You Putting In Your Child’s Mouth?
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What goes into your child’s mouth every day, from snacks and drinks to bottles, sippy cups, pacifiers, and shared spoons, has a direct effect on their risk of cavities. The biggest factors are how often sugary foods and drinks are consumed, what is in the bottle or cup between meals and at bedtime, and whether cavity-causing bacteria are passed along through shared utensils. Small changes in these daily habits can go a long way toward protecting baby teeth and the permanent teeth that follow.
“Don’t put that in your mouth, it’s dirty!” Many a parent has called out those words when a child finds something on the ground and decides to chew on it. Dr. Kris Johnson, who has been in private practice in Mukilteo since 1990, likes to remind families that what parents choose to put into a child’s mouth matters just as much. At Harbour Pointe Family Dentistry, our family dentistry team helps parents in Mukilteo and the Everett area build habits that keep kids’ smiles healthy from the first tooth on.
Why Your Child’s Daily Diet Matters for Their Teeth
Taking into consideration more than just taste or convenience, parents should know that what children eat and drink every day affects not only their general health but also their oral health. Bacteria in the mouth feed on sugars and starches and produce acids that weaken tooth enamel. Baby teeth have thinner enamel than adult teeth, so decay can progress quickly once it starts.
Cavities in children are common, but they are also preventable. The numbers below, from the Centers for Disease Control and Prevention, show both the size of the problem and how well simple preventive steps work.
Sugar: It Is About How Often, Not Just How Much
One of the main culprits is sugar. A steady intake of sugary drinks and foods can harm the teeth and gums, and timing is just as important as quantity. Every time your child sips juice or nibbles a sweet snack, the bacteria in their mouth produce acid for a period afterward. A child who grazes all afternoon gives those acids a nearly constant opportunity to attack the enamel.
What can parents do to protect their children from tooth decay?
- Control when to allow sugar intake. Timing is important. Sugary foods and drinks are best served at mealtime, when saliva production increases and helps neutralize acids and rinse away food particles.
- Provide healthy choices. Avoid snack-time foods and beverages that are loaded with sugar. Offer nutritious alternatives and make water the drink of choice between meals.
- Teach them good habits. Help children see that their teeth are important, and train them in good brushing and flossing habits. Speak positively about the dentist and schedule regular visits for the whole family.
Sticky and slow-dissolving foods, such as fruit snacks, gummies, dried fruit, and crackers that cling to the grooves of back teeth, can be just as hard on teeth as candy because they stay in contact with enamel longer.
Easy Swaps for Everyday Snacks and Drinks
You do not have to eliminate treats entirely. These simple substitutions can lower the sugar load your child’s teeth see each day.
| Instead of | Try | Why It Helps |
|---|---|---|
| Juice or sports drinks between meals | Plain tap water | No sugar, and fluoridated tap water helps strengthen enamel |
| Fruit snacks or gummies | Fresh fruit slices | Less sticky, so less sugar clings to the teeth |
| Crackers or chips for grazing | Cheese, yogurt without added sugar, or crunchy vegetables | Lower in fermentable starch and easier on enamel |
| A sippy cup of milk or juice all day | Milk with meals, water in between | Gives teeth long breaks from sugar exposure |
Bottles, Sippy Cups, and Bedtime Habits
For babies and toddlers, what is in the bottle or cup matters a great deal. The American Dental Association’s guidance on baby bottle tooth decay recommends that infants finish their bedtime and nap-time bottles before going to bed, and that bottles hold only formula, milk, or breast milk rather than juice, sugar water, or soft drinks. When a child falls asleep with a bottle, liquid pools around the teeth for hours while saliva flow slows down.
As your child moves to a sippy cup, the same principle applies. A cup of juice carried around all day bathes the teeth in sugar, while water between meals keeps them clean. Many parents find it helpful to reserve milk for mealtimes and make water the default at every other time of day.
Shared Spoons, Pacifiers, and the Bacteria You Pass Along
Cavity-causing bacteria can be passed from a parent or caregiver to a baby through saliva. The ADA suggests avoiding shared feeding spoons and not “cleaning” a dropped pacifier by putting it in your own mouth. Rinse it with water instead. Pacifiers should also never be dipped in sugar or honey.
Taking care of your own oral health helps, too. Parents who keep their own gums and teeth healthy and have untreated cavities addressed carry fewer of these bacteria, which may help limit what is passed along to children.
Other Things That End Up in Kids’ Mouths
Children explore the world with their mouths, and not everything they chew on is food. Chewing on hard objects such as pens, ice, or toys can chip teeth, and teething toys should be firm, clean, and free of small parts. For kids in sports, a properly fitted mouthguard is one of the best ways to protect teeth from injury. Our post on custom mouthguards for children explains how they compare to store-bought options.
Toothpaste is another thing parents often ask about. The CDC advises a pea-sized amount of fluoride toothpaste for children under six, with an adult making sure they spit rather than swallow, and suggests talking with your dentist or doctor before using fluoride toothpaste for children under two.
Building Healthy Habits by Age
Good habits grow with your child. This timeline shows the milestones we focus on with families.
The CDC recommends a dental visit by your baby’s first birthday. If you are preparing for that appointment, our guide to what to expect at your child’s first dental exam walks through the visit, and our post on dental sealants for kids explains how sealants protect the chewing surfaces of back teeth.
Caring for Your Child’s Smile in Mukilteo
Dr. Kris A. Johnson graduated from the University of Washington Dental School and has been in private practice in Mukilteo since 1990. Our children’s dentistry services focus on prevention, gentle exams, and helping kids feel comfortable in the dental chair, so they grow up seeing the dentist as a normal part of staying healthy. We also serve families from the Everett area and surrounding communities.
Harbour Pointe Family Dentistry knows that your children and their dental health matter to you, and we are here to help you care for what you most want to keep in your child’s mouth: their teeth. Contact us online to schedule your child’s next checkup.
Frequently Asked Questions About Kids’ Diets and Dental Health
Is juice bad for my child’s teeth?
Juice contains natural sugars that cavity-causing bacteria feed on, so frequent sipping can raise the risk of decay. If you serve juice, offer it with a meal rather than between meals, keep portions small, and never put it in a bedtime bottle. Water is the best choice between meals.
Can my child go to bed with a bottle of milk?
It is best to have your baby finish the bottle before going to sleep. Milk and formula contain sugars, and when a child falls asleep with a bottle, the liquid can pool around the teeth for hours. If your child needs something to soothe them at bedtime, a clean pacifier or a bottle of plain water is a safer option.
Can I pass cavities to my baby?
The bacteria that cause cavities can be passed from caregivers to babies through saliva, such as by sharing spoons or cleaning a pacifier in your mouth. Avoiding those habits and keeping your own teeth and gums healthy can help reduce how many of these bacteria your child is exposed to early on.
What are the best snacks for my child’s teeth?
Tooth-friendly snacks include cheese, plain yogurt, fresh fruit, crunchy vegetables, and whole foods that do not stick to the teeth. Try to limit sticky, sugary, or starchy snacks like fruit snacks, gummies, and crackers, especially between meals, and pair any treats with mealtime.
When should my child first see the dentist?
The CDC recommends a dental visit by your baby’s first birthday, and the ADA suggests scheduling it once the first tooth appears. An early visit lets us check for signs of decay, talk about feeding and brushing habits, and help your child get comfortable with the dental office.
The content on this blog is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of qualified health providers with questions you may have regarding medical conditions.
