Common Pediatric Dental Problems and How to Solve Them

Children face unique dental challenges as their mouths grow and develop. From teething discomfort in infancy to thumb sucking habits in toddlerhood and sports-related injuries in school-aged kids, knowing what is normal and what needs professional attention can save parents considerable worry. At Hamilton Lakes Dentistry, we help families throughout Itasca and surrounding communities navigate these common pediatric dental problems with practical solutions and compassionate care.

This guide covers the most frequent dental issues seen in children—from early childhood caries to dental trauma—along with prevention strategies and treatment options. Understanding these problems empowers parents to act quickly and effectively when issues arise. For a complete overview of all our pediatric services, explore our guide on pediatric dentistry: gentle dental care for growing smiles.

Key Takeaways

Early childhood caries is preventable. Never put a child to bed with a bottle of milk or juice. Clean teeth as soon as they appear.
Prolonged thumb sucking can cause bite problems. Most children stop on their own by age four. Intervention is rarely needed before then.
Teething discomfort is manageable. Cold teething rings, gentle gum massage, and acetaminophen or ibuprofen (age-appropriate) are safe and effective.
Dental trauma requires quick action. A knocked-out permanent tooth can often be saved if reimplanted within 30 minutes.
Early orthodontic screening matters. The American Association of Orthodontists recommends an evaluation by age seven.

Early Childhood Caries (Baby Bottle Tooth Decay)

Early childhood caries (ECC), formerly called baby bottle tooth decay, is a pattern of severe decay affecting the upper front teeth of infants and toddlers. It is caused by prolonged exposure to sugary liquids—milk, formula, juice, or sweetened drinks—especially when a child is put to bed with a bottle. The sugar pools around the upper front teeth, and the bacteria in the mouth convert it to acid, which eats away at the thin enamel of baby teeth.

Signs to Watch For

White spots along the gumline of the upper front teeth (early sign)
Brown or black discoloration on the teeth
Chipped or broken front teeth
Tooth sensitivity or pain when eating or drinking

Prevention and Solutions

ECC is almost entirely preventable. Follow these guidelines:

Never put a child to bed with a bottle unless it contains only water.
Clean teeth as soon as they appear using a soft, infant-sized toothbrush or a clean damp cloth.
Transition to a cup by age one. Prolonged bottle use increases decay risk.
Avoid dipping pacifiers in honey or sugar.
Schedule a first dental visit by age one. Early intervention prevents progression.

If decay has already developed, treatment may include fluoride treatment for very early lesions, tooth-colored fillings for small cavities, or in advanced cases, crowns or extractions. For a detailed guide on preventing cavities, read our article on fluoride treatment for kids.

Thumb Sucking and Pacifier Use

Sucking is a natural reflex that provides comfort and security for infants and young children. Most children stop thumb sucking or pacifier use on their own between ages two and four. However, when the habit continues beyond age three or four—especially after the permanent front teeth begin erupting—it can cause dental problems.

Potential Dental Effects of Prolonged Sucking

Open bite: The front teeth do not touch when the back teeth are closed.
Overjet (protruding front teeth): The upper front teeth flare outward.
Posterior crossbite: The upper back teeth sit inside the lower back teeth.
Speech issues: Lisping or difficulty pronouncing certain sounds.

How to Help Your Child Stop

Most children stop naturally. If your child needs encouragement:

Use positive reinforcement. Praise your child when they are not sucking rather than scolding when they are.
Identify triggers. Does your child suck when tired, bored, or anxious? Address the underlying need.
Offer a substitute. A stuffed animal to hold or a blanket can provide comfort without affecting teeth.
Ask your dentist about reminder appliances. For children who cannot stop on their own, a fixed or removable appliance can gently discourage sucking.

Teething Discomfort in Infants

Teething—the process of primary teeth breaking through the gums—typically begins around six months of age and continues until about age three. During this time, infants may experience gum tenderness, irritability, drooling, and disrupted sleep. Fortunately, teething is temporary and manageable.

Safe Teething Remedies

Cold teething rings: Chilling (not freezing) a solid silicone teething ring provides numbing relief. Avoid liquid-filled rings that can leak.
Gentle gum massage: Rub your clean finger gently over the swollen gums.
Chilled washcloth: Wet a clean washcloth, twist it, and chill in the refrigerator. Let your child chew on it (supervised).
Acetaminophen or ibuprofen: Age-appropriate doses can help with significant discomfort. Consult your pediatrician.
Wipe drool frequently: Prevents facial skin irritation.

What to Avoid

Benzocaine gels: The FDA warns against using topical benzocaine (Orajel, Anbesol) in children under two due to risk of methemoglobinemia.
Teething tablets containing belladonna: Not safe or effective.
Frozen teething rings: Extremely cold temperatures can damage gum tissue.
Teething necklaces: Choking and strangulation hazards.

Dental Trauma: Chipped, Displaced, or Knocked-Out Teeth

Active children fall. They collide during sports. They trip on stairs. Dental injuries are common, and knowing what to do in the moment can mean the difference between saving and losing a tooth.

Knocked-Out Permanent Tooth (Avulsion)

This is a dental emergency. Time is critical. Follow these steps immediately:

Find the tooth. Hold it by the crown (the white part), not the root.
Rinse gently. If dirty, rinse briefly with cold water or milk. Do not scrub or use soap.
Reinsert if possible. Gently push the tooth back into the socket. Have the child bite down on a clean cloth to hold it in place.
Keep it moist. If reinsertion is not possible, place the tooth in milk, saline, or the child’s saliva (have them hold it in their cheek).
See a dentist immediately. The tooth has the best chance of survival if reimplanted within 30 minutes.

Knocked-Out Baby Tooth

Do NOT reinsert a knocked-out baby tooth. Reimplanting a baby tooth can damage the developing permanent tooth bud beneath it. Contact your dentist to assess whether any fragments remain and to discuss space maintenance if the tooth was lost prematurely.

Chipped or Fractured Tooth

Rinse the mouth with warm water. Apply a cold compress to reduce swelling. Save any tooth fragments. Contact your dentist. Small chips may be smoothed or left alone; larger fractures may require bonding or a crown.

Prevention: Mouthguards for Sports

The American Dental Association recommends mouthguards for children participating in contact sports (football, hockey, lacrosse, wrestling) and high-impact activities (basketball, baseball, soccer, gymnastics). A properly fitted mouthguard absorbs and disperses impact forces, significantly reducing the risk of dental injuries. Custom-fitted mouthguards from your dentist offer the best protection and comfort.

Malocclusion (Bite Problems) and Early Orthodontic Assessment

Malocclusion refers to misalignment of the teeth or incorrect relationship between the upper and lower jaws. Some bite problems are inherited (crowding, extra or missing teeth, jaw discrepancies). Others are acquired (thumb sucking, pacifier use, prolonged bottle feeding, or early loss of baby teeth).

Common Types of Malocclusion in Children

Crowding: Insufficient space for all teeth to align properly.
Overjet (buck teeth): Upper front teeth protrude outward.
Overbite: Upper front teeth vertically overlap the lower front teeth excessively.
Underbite: Lower front teeth sit in front of the upper front teeth.
Crossbite: Upper teeth sit inside the lower teeth when biting down.
Open bite: Front teeth do not touch when back teeth are closed.

Why Early Orthodontic Screening Matters

The American Association of Orthodontists recommends that every child have an orthodontic evaluation by age seven. By this age, enough permanent teeth have erupted to identify emerging problems. Early intervention (Phase I orthodontics) can:

Guide jaw growth to correct underbites or crossbites
Create space for crowded permanent teeth, reducing the need for extractions
Reduce the risk of trauma to protruding front teeth
Improve appearance and self-esteem
Shorten and simplify comprehensive orthodontic treatment in adolescence

Frequently Asked Questions About Pediatric Dental Problems

My child has a white spot on their tooth. Should I be worried?

White spots along the gumline are often the first sign of early childhood caries (decalcification). This is reversible with fluoride treatment and improved oral hygiene. However, white spots can also be developmental (fluorosis or enamel hypoplasia). Your dentist can tell the difference and recommend appropriate treatment.

How do I know if my child’s toothache is serious?

Any toothache in a child warrants a dental evaluation. Signs of a more serious problem (abscess or infection) include spontaneous pain (pain without chewing), pain that wakes the child from sleep, facial swelling, fever, or a pimple-like bump on the gums. These require prompt attention.

Can a pacifier cause the same problems as thumb sucking?

Yes. Prolonged pacifier use beyond age three can cause the same bite problems as thumb sucking. However, pacifier habits are generally easier to break than thumb sucking because the pacifier can be taken away. Most pediatric dentists recommend weaning from the pacifier by age two to three.

When should my child start wearing a mouthguard for sports?

As soon as your child participates in any organized sport or recreational activity with risk of falls or contact. This includes not only football and hockey but also basketball, soccer, baseball, gymnastics, and skateboarding. A custom-fitted mouthguard from your dentist offers the best protection.

My child grinds their teeth at night. Is this harmful?

Nighttime teeth grinding (sleep bruxism) is common in children, especially between ages three and ten. Most outgrow it without problems. However, if you notice tooth wear, jaw pain, or morning headaches, talk to your dentist. A custom nightguard can protect the teeth while the child outgrows the habit.

What should I do if my child’s permanent tooth is coming in behind the baby tooth?

This is called “shark teeth” and is common, especially with lower front teeth. Often, the baby tooth will loosen and fall out on its own, and the permanent tooth will move forward. If the baby tooth is not loose after a few weeks, your dentist may recommend removing it to allow the permanent tooth to move into the correct position.

When to Call Your Pediatric Dentist

Most pediatric dental problems are preventable or treatable when caught early. Knowing when to seek professional care—and when to manage at home—gives parents confidence and protects children’s oral health. Trust your instincts. If something does not look or feel right, call your dentist.

At Hamilton Lakes Dentistry, we help families throughout Itasca, Wood Dale, Medinah, Roselle, and Elk Grove Village navigate these common challenges. Our team—led by Dr. Kathy French, Dr. Kate Conti, and Dr. Alexa French—provides compassionate, evidence-based care for children of all ages.

To learn more about managing dental anxiety in children, read our guide on managing dental anxiety in children: tips for a positive first visit. For a complete overview of all our family services, visit our comprehensive dental care guide for local patients.

Call us today at (630) 773-6966 to schedule your child’s next checkup or to discuss any concerns.

About the Author

Dr. Kathy French is a general dentist at Hamilton Lakes Dentistry in Itasca, Illinois, with extensive experience diagnosing and treating pediatric dental problems. She and her team—Dr. Kate Conti and Dr. Alexa French—are committed to gentle, preventive-focused care for children of all ages. Learn more at hamiltonlakesdentistry.com/meet-the-team.