If your child’s teeth don’t quite line up when they close their mouth, you’re not alone. This parent’s guide to common bite problems in kids walks you through overbite, underbite, and crossbite issues, how to spot them at home, and when to bring your child in to see Dr. Jarrett Caldwell at Ivy City Pediatric Dentistry & Orthodontics. Catching bite concerns early makes a real difference.

What Are Bite Problems in Kids?
Bite problems, known medically as malocclusion in children, happen when the upper and lower teeth don’t fit together properly when the mouth closes. This misalignment can affect chewing, speech, jaw growth, tooth wear, and even how your child’s face develops over time. The three most common types are overbite, underbite, and crossbite.
Many kids’ bite problems are inherited, passed down through family jaw and tooth patterns. Others develop from habits like thumb-sucking, extended pacifier use, or chronic mouth breathing.
Here’s what matters most: bite issues aren’t just cosmetic. Left unchecked, they raise the risk of tooth decay, gum disease, and jaw discomfort down the road. The American Association of Orthodontists (AAO) emphasizes that early evaluation gives children the best shot at a healthy, well-aligned smile for life.
How to Spot an Overbite, Underbite, or Crossbite at Home
You don’t need a dental degree to notice when something looks off. A quick check at home can help you decide whether it’s time to request a visit.
Overbite
With an overbite, the upper front teeth extend too far over the lower teeth when your child bites down. The lower jaw may look slightly tucked back, and the chin can appear recessed. Mild overbites are common and often normal, but deeper ones need professional eyes.
Underbite
An underbite in kids shows up when the lower teeth sit in front of the upper teeth when the mouth closes. The lower jaw may look prominent or pushed forward. Underbites tend to run in families and are easier to guide while jaws are still growing.
Crossbite in Children
A crossbite happens when some upper teeth bite inside the lower teeth instead of outside. You might notice your child’s jaw shifting to one side when they bite down. Crossbite in children often stems from a narrow upper jaw and responds beautifully to early care.
Your At-Home Check
- Have your child bite down naturally with lips relaxed
- Look at their smile straight-on, then from the side
- Watch for chewing difficulty, speech changes, or uneven tooth wear
- Note any mouth breathing, snoring, or jaw shifting
Baby teeth can hide subtle issues. That’s why professional eyes catch what parents sometimes miss.
Why Early Evaluation Matters for Your Child’s Bite
Timing is everything when it comes to bite care. The American Association of Orthodontists recommends every child have a first orthodontic evaluation by age 7, even if nothing looks obviously wrong. By that age, enough adult teeth have come in and enough jaw growth has happened for Dr. JC to spot patterns that will shape your child’s smile.
Here’s why early evaluation pays off:
- Growing jaws respond to gentle guidance that adult jaws simply can’t. Expanders and other growth-guiding appliances work with natural growth.
- Phase 1 orthodontic treatment can reduce the need for more involved care later. Guiding the jaw during active growth is far easier than correcting it once growth is complete.
- Shorter, simpler treatment when started during growth years. Many kids need less time in braces as teens because the groundwork is already laid.
- Reduces risk of tooth injury from protruding front teeth, which are much more vulnerable to chips and breaks.
- Lowers risk of decay, gum trouble, and TMJ issues by creating a bite that cleans easily and functions comfortably.
- Supports clearer speech and easier chewing during the years when both skills are developing rapidly.
One important note: an evaluation doesn’t mean treatment starts right away. Often, Dr. Jarrett Caldwell, dual-board-certified in both pediatric dentistry and orthodontics, simply monitors your child’s growth over time. This “growth and guidance” approach means we only recommend treatment when the timing is truly right. Being dual-board-certified is rare in this country, and it means your child gets both specialties under one roof at Ivy City Pediatric Dentistry & Orthodontics.

Overbite vs. Underbite vs. Crossbite: Quick Comparison
Here’s a side-by-side look at the three most common bite types so you can see them at a glance.
| Bite Type | What It Looks Like | Common Causes | Best Age to Evaluate | Typical Smile Care |
|---|---|---|---|---|
| Overbite | Upper front teeth extend too far over lower teeth; lower jaw tucks back | Genetics, thumb-sucking, pacifier habits | By age 7 | Braces, growth appliances, Invisalign |
| Underbite | Lower teeth sit in front of upper teeth; lower jaw looks prominent | Genetic jaw growth patterns | Age 7-8 | Palatal expander, braces, sometimes surgical care in adulthood |
| Crossbite | Some upper teeth bite inside lower teeth; jaw may shift sideways | Narrow upper jaw, delayed tooth eruption | By age 7 | Palatal expander, braces |
A few other bite concerns are worth mentioning too. Open bite happens when front teeth don’t touch even when back teeth are closed, often linked to thumb-sucking or tongue thrusting. Deep bite is an exaggerated overbite where upper teeth nearly cover the lowers completely. Crowding occurs when there isn’t enough room for teeth to line up properly. All of these benefit from the same age-7 evaluation window.
When Should Your Child See an Orthodontist?
Wondering when to see an orthodontist for your child? The simple answer: schedule an ortho consult by age 7, even if nothing looks obviously wrong. That’s the age Dr. JC and the Ivy City Pediatric Dentistry & Orthodontics team can first spot how adult teeth and jaws are developing, giving your child a head start on healthy smiles.
Here’s your quick checklist. Request a visit sooner if you notice:
- Jaw shifting to one side when biting
- Difficulty chewing or biting food
- Speech changes or lisping
- Mouth breathing or snoring at night
- Thumb-sucking or pacifier use past age 4
- Family history of bite problems or orthodontic care
- Baby teeth lost very early or very late
- Teeth that look crowded or spaced oddly
Good news for parents: you don’t need a referral to see an orthodontist. You can book directly with Ivy City Pediatric Dentistry & Orthodontics for an ortho consult, and because Dr. Jarrett Caldwell is dual-board-certified in both pediatric dentistry and orthodontics, your family gets care all under one roof with a provider who already knows your child’s full dental history.

Frequently Asked Questions About Kids’ Bite Problems
Can an overbite cause problems later in life?
Yes. Untreated overbites can lead to uneven tooth wear, jaw discomfort, gum damage, and higher risk of chipping front teeth. Deeper overbites may also contribute to TMJ issues and make it harder to clean teeth properly. Addressing an overbite during childhood is typically simpler than correcting it as an adult.
At what age is it best to fix a crossbite?
Crossbites are generally best corrected between ages 7 and 10, while the upper jaw is still growing and responsive to a palatal expander. Treating a crossbite during this window often avoids more complex care later. The AAO recommends an evaluation by age 7 to catch crossbites early.
Can you fix an overbite without braces?
Sometimes, yes. Mild overbites can often be improved with clear aligners like Invisalign or growth-guiding appliances. More significant overbites usually need braces, either metal or clear, to move teeth and guide jaw position. Dr. JC will recommend the right approach after a full evaluation.
My 4-year-old has an overbite. What should I do?
At age 4, keep monitoring and schedule an ortho consult by age 7. Many mild overbites improve naturally as baby teeth transition to adult teeth. If you notice chewing problems, speech delays, or ongoing thumb-sucking, request a visit sooner for peace of mind.
Will my child outgrow their bite problem?
Some kids do, many don’t. Minor spacing or alignment issues often resolve as adult teeth come in, but true bite problems like underbites and crossbites rarely fix themselves. A professional evaluation at Ivy City Pediatric Dentistry & Orthodontics is the only reliable way to know what’s temporary and what needs guidance.
Get Started on Your Smile
Bite problems can feel overwhelming, but you’re not figuring this out alone. Dr. Jarrett Caldwell and the Ivy City Pediatric Dentistry & Orthodontics team are here to guide your family from the first tooth to braces and beyond, giving you a lifetime of healthier smiles.
Ready to get started on your smile? Request a visit at our Washington, DC office at 2012 Hecht Ave NE, or call us at 202.953.0171. We’d love to meet your family and help your child grow a smile to last a lifetime.