Dr. Dan Bamshad, DDS 02/25/25
If you’ve noticed your child’s permanent teeth growing behind baby teeth, you might be wondering if this is normal or if action is needed. This common condition, often called shark teeth, can cause concern for many parents.
At Platinum Pediatric Dentistry, serving Long Island families, we specialize in evaluating and treating dental concerns like this to ensure your child’s oral health stays on track.
Understanding Why Permanent Teeth Grow Behind Baby Teeth
Normally, permanent teeth push against the roots of baby teeth, causing them to loosen and fall out. However, in some cases, the permanent teeth erupt behind the baby teeth, leading to a double row of teeth. This typically occurs in the lower front teeth (incisors) but can also happen in the upper front teeth or molars.
Common Causes of Shark Teeth
- Delayed Baby Tooth Loss – If a baby tooth doesn’t fall out on time, the permanent tooth may grow behind it.
- Lack of Space – If a child’s jaw is small or crowded, permanent teeth may erupt incorrectly.
- Eruption Pattern – Sometimes, teeth naturally develop this way, especially in early mixed dentition (ages 5-7).
When Should Parents Be Concerned?
- If the baby tooth is not loose and remains firm.
- If the permanent tooth is fully grown but the baby tooth is still there.
- If there is pain, discomfort, or crowding in your child’s mouth.
Treatment Options
1. Monitor at Home
If the baby tooth is slightly loose, encourage your child to wiggle it daily to help it fall out naturally.
2. Visit a Pediatric Dentist
If the baby tooth remains after two months, or the child is experiencing discomfort, visit a pediatric dentist.
3. Tooth Extraction
If the baby tooth does not loosen, a quick extraction might be needed to prevent alignment issues.
Potential Complications of Untreated Shark Teeth
Ignoring shark teeth can lead to:
- Crowded teeth that require orthodontic treatment.
- Misaligned bites, leading to speech and chewing difficulties.
- Gum irritation or increased risk of cavities.
Q&A Summary
Q: Is it normal for permanent teeth to grow behind baby teeth?
A: Yes, but if the baby tooth doesn’t fall out, a pediatric dentist should evaluate it.
Q: Will my child’s teeth straighten on their own?
A: Sometimes, but if crowding occurs, orthodontic intervention may be needed.
Q: When should my child see a dentist?
A: If the baby tooth remains two months after the permanent tooth appears.
For expert pediatric dental care, visit Platinum Pediatric Dentistry or check resources from the AAPD.