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Common Dental Health Issues in Children: A Parent’s Guide to Healthy Smiles

Feb 02, 2026
Child dental exam at Great Smile Dental, dentist in Marietta, GA for kids dental care


As a parent, you have a lot on your plate. Between school runs, sports, and making sure they eat something other than snacks, worrying about their teeth can feel like just one more thing to do. But a child’s dental health is the foundation for their health as they grow up.


Early dental problems can lead to trouble with eating, speaking, and even how they feel about themselves. At Great Smile Dental, we see kids of all ages, and we know that every stage of childhood brings different challenges. If you are looking for a friendly dentist in Marietta, GA, to help guide you through these years, we are here to help.


Here is a look at the most common dental issues we see in children and what you can do about them.


Tooth Decay and Cavities


Cavities are the most common chronic issue for children in the U.S. Many parents think that because "baby teeth" eventually fall out, they don't matter as much. But that is a mistake. Baby teeth hold the space for permanent teeth and help your child chew and speak properly.



Why Do Kids Get Cavities?


Children often don't have the coordination to brush perfectly on their own until they are about 8 or 9 years old. Combine that with a love for sugary snacks and juices, and you have a recipe for decay. When sugar stays on the teeth, bacteria turn it into acid, which eats away at the tooth surface.



How to Prevent Them


The best way to fight cavities is a team effort. You should help your child brush twice a day and floss once their teeth start touching. Regular visits to Great Smile Dental are also key. As your trusted dentist in Marietta, GA, we can apply fluoride or sealants to give those little teeth an extra layer of protection.


Gum Disease in Children


You might think gum disease is only for adults, but it is actually quite common in kids. In children, it usually looks like red, swollen gums that bleed easily when they brush or floss.



The Cause of Sore Gums


Most of the time, this is caused by plaque buildup. If your child is missing spots along the gum line, the bacteria irritate the tissue. In some cases, hormonal changes in older children can also make gums more sensitive.



Staying Healthy


The good news is that gum issues in children are usually easy to fix. Professional cleanings at Great Smile Dental remove the hard plaque that a toothbrush can't reach. Our team and our lead dentist in Marietta, GA, will also show your child exactly where they are missing spots so they can do better at home.


Thumb Sucking and Pacifiers


Most babies have a natural urge to suck on things. It is soothing and helps them sleep. However, if these habits continue past the age of 3 or 4, it can start to change the shape of their mouth.



Potential Issues

  • Open Bite: The front teeth don't meet when the mouth is closed.
  • Overbite: The top front teeth stick out too far.
  • Narrow Palate: The roof of the mouth becomes narrow, which can cause crowded teeth.



When to Step In


We usually recommend gently encouraging your child to stop these habits before their permanent front teeth start coming in. If you are worried about the shape of your child’s bite, come see us at Great Smile Dental. As a family-focused dentist in Marietta, GA, we can check their jaw and offer tips to help break the habit without the stress.


Losing Teeth Too Early


Sometimes kids lose a tooth too early because of an accident or a bad cavity. While it might just seem like a quick visit from the Tooth Fairy, losing a tooth too soon can cause the other teeth to tilt or move into the empty space.



Space Maintainers


When a baby tooth is gone too early, the permanent tooth underneath might not have enough room to come in straight. To prevent this, we often use a "space maintainer." It is a small metal piece that keeps the gap open until the adult tooth is ready to grow. Keeping those gaps open is one of the many ways we ensure your child has a great smile for life.


Sensitive Teeth in Kids


If your child winces when they eat ice cream or drink cold water, they might have sensitive teeth. This can be annoying for a kid who just wants to enjoy a treat!



Why Are They Sensitive?

  • Thin Enamel: Some children naturally have thinner enamel.
  • New Teeth: Sometimes teeth are just sensitive as they first poke through the gums.
  • Grinding: Many kids grind their teeth at night, which wears down the surface.


If your child is complaining of discomfort, a quick checkup with your dentist in Marietta, GA, at Great Smile Dental can find the cause.


Frequently Asked Questions



Q: When should my child first see a dentist?


A: You should bring your child in by their first birthday or when their first tooth appears. Early visits help them get used to the office and let us catch small issues early.


Q: Are dental X-rays safe for my child?


A: Yes. We use digital X-rays at Great Smile Dental, which use much less radiation than old-style film. We only take them when necessary to check for cavities or see how adult teeth are growing.


Q: How can I help my child not be afraid of the dentist?


A: Start early and keep it positive! Avoid using the dentist as a threat. At Great Smile Dental, we use kid-friendly words and take things slow, so they feel safe.


Making Dental Health Fun


The best way to avoid these problems is to make brushing a habit that isn't a chore. Let them pick out a toothbrush with their favorite character, use a timer with a fun song, or use a sticker chart.



Ready to Schedule Your Child’s Visit?


Your child’s smile is a big part of who they are. At Great Smile Dental, we provide a warm, patient environment where your little ones can feel at home. From that first baby tooth to the teenage years, we are here to support your family.


If you are looking for an experienced and caring dentist in Marietta, GA, we would love to meet you. Let's work together to make sure your child grows up with a healthy, confident, and great smile.

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