What Happens If You Don't Treat Your Child's Tongue Ties

Written By: Logan Grover, Health Content Writer

Reviewed By: Dr. Alison Grover, Board-Certified Diplomate Pediatric Dentist

Last Reviewed: May 10, 2026

Most articles about untreated tongue ties read like scare tactics. Every consequence sounds catastrophic. Every child apparently needs immediate surgery. The reality is more complicated than that, and the AAP's 2024 clinical report confirmed what experienced pediatric providers have been saying for years: not every tongue tie needs treatment, and the consequences of leaving one alone depend entirely on whether it's causing functional problems right now.

Tongue ties (ankyloglossia) are a condition where the lingual frenulum, the tissue connecting the tongue to the floor of the mouth, restricts normal tongue movement. Between 4% and 11% of newborns have some degree of tongue tie, though broader assessment criteria push that number as high as 20-32% in some 2024-2025 reviews.

The gap between "has a tongue tie" and "needs treatment for a tongue tie" is enormous.

This article covers the real consequences of an untreated tongue tie that's causing symptoms, what the latest evidence says about long-term outcomes, and where the line falls between monitoring and acting. I'm not covering treatment procedures or costs here. That's a separate conversation we've addressed in our tongue tie and lip tie revision guide.

Does an Untreated Tongue Tie Affect Breastfeeding?

Yes, and this is the strongest evidence-backed consequence. Babies with restrictive tongue ties often can't form a proper latch, which leads to shallow suction, poor milk transfer, and pain for the nursing parent. Feeding sessions drag past 45 minutes. Weight gain stalls. The mother develops cracked, sore nipples. The stress compounds feeding into something both parent and baby dread.

About 8% of infants have at least mild tongue tie according to published prevalence data, and breastfeeding difficulty is the primary reason the AAP supports intervention.

But they're specific about this: frenotomy should only follow failed lactation support. If a baby is gaining weight normally and the parent isn't in pain, a mild tongue tie during breastfeeding doesn't automatically need a procedure.

Bottle-fed babies generally struggle less with tongue ties because bottle feeding uses different mouth mechanics. That said, some infants with significant restriction still have trouble forming a seal around the nipple, leading to air intake, reflux, and colic-like symptoms.

The feeding window matters more than people realize. If a tongue tie is causing real breastfeeding problems, the first six weeks are the easiest time to address it. Once a baby develops compensatory patterns (jaw clamping, horizontal tongue movement), breaking those habits takes additional therapy even after a release. Early infant evaluation is the best way to catch this before it compounds.

Can Tongue Ties Cause Speech Problems in Kids?

This is where the conversation gets complicated. The short answer is "sometimes, but less often than most websites claim."

Children with restrictive tongue ties can struggle with sounds that require tongue-tip elevation or lateral movement. L, R, T, D, S, Z, and TH are the usual suspects. A child who can't touch their tongue to the roof of their mouth will develop workarounds for these sounds, and those compensatory patterns can persist even after a release if they're not addressed with speech therapy.

But the AAP's 2024 report and several 2024-2025 reviews found mixed or no consistent significant differences in articulation between treated and untreated groups for mild-to-moderate tongue ties. Severe restriction is a different story. A child whose tongue literally can't extend past the lower lip will almost certainly face speech challenges. The moderate cases, the ones that make up the majority of diagnoses, are where the evidence gets fuzzy.

The honest take: if your child is 3-4 years old and a speech pathologist has identified specific articulation errors tied to tongue mobility (not just a general delay), a tongue tie evaluation makes sense. If your 18-month-old isn't talking much yet and someone casually suggests tongue tie, the restriction might not be the cause. Speech development is multifactorial, and attributing it entirely to anatomy oversimplifies a complex process.

How Do Untreated Tongue Ties Affect Dental Health?

A restricted tongue can't do its job cleaning food debris off teeth and gums after meals. That self-cleaning function matters more than most parents realize. Kids with tongue ties often have food stuck along their front teeth (especially the lower incisors) that stays there between brushings.

Over time, that increases the risk of plaque buildup, cavities, and gum inflammation. The AAP's report doesn't focus heavily on dental consequences (their scope is primarily breastfeeding), but the AAPD's 2025 Reference Manual acknowledges that restrictive frenulums can affect oral hygiene and should be assessed as part of full pediatric dental care.

The bigger dental concern is jaw development. A tongue that rests low in the mouth instead of against the palate can contribute to a narrow palate, crowded teeth, and open bite patterns over time. Some orthodontists report that tongue ties contribute to relapse after braces because the tongue doesn't maintain proper resting posture against the upper palate. If your child is facing orthodontic treatment and has a known tongue tie, it's worth discussing whether a release before or during treatment would improve stability.

Do Tongue Ties Cause Eating Problems Beyond Infancy?

Toddlers and older kids with untreated tongue ties can develop eating patterns that look like pickiness but are actually mechanical limitations. A restricted tongue makes it harder to move food around the mouth, chew effectively, and swallow larger textures. These kids tend to prefer soft foods, take longer to eat, and sometimes gag or choke on textures their peers handle easily.

The tricky part is separating tongue-tie-related eating difficulty from normal toddler pickiness, which is extremely common and unrelated to anatomy. A child who refuses broccoli but happily eats steak isn't dealing with a tongue restriction. A child who gags on anything that requires lateral chewing and has never been able to lick their lips might be.

If your child's tongue tie symptoms include persistent feeding difficulty beyond typical picky eating, a functional assessment can determine whether the restriction is the root cause or a bystander.

What About Sleep, Breathing, and Airway Issues?

This is the newest area of research and the one where you'll find the most aggressive claims from tongue-tie-focused practices. Some studies link restrictive tongue ties to mouth breathing, narrow palate development, and sleep-disordered breathing in children. A tongue that can't rest against the palate may contribute to airway narrowing over time.

The evidence is building but not yet definitive. The AAP's 2024 report doesn't support releasing tongue ties to prevent sleep or airway issues. Colorado-based specialists, including providers at Children's Hospital Colorado, emphasize that airway concerns should be evaluated independently from tongue tie, not assumed to be caused by it.

I'd frame it this way: if your child snores, breathes through their mouth at night, and has a restrictive tongue tie, both problems deserve evaluation. But treating the tongue tie alone as an airway "fix" oversells what current evidence supports.

Does It Affect a Child's Confidence and Social Life?

It can, but this consequence gets overstated in most articles. A child with noticeable speech differences or who avoids eating around peers because of chewing struggles may feel self-conscious. That's real, and it deserves attention.

But framing every untreated tongue tie as a future self-esteem crisis isn't supported by evidence. Most children with mild-to-moderate tongue ties don't develop significant social or emotional consequences. Severe cases with persistent, visible speech impairment are the exception.

What's the Real Risk of Waiting?

The risk depends on severity. For severe tongue ties causing documented feeding failure, speech impairment, or dental complications, waiting means the problems compound. Compensatory patterns become harder to break. Orthodontic issues become more expensive to correct. Speech therapy takes longer after a late release.

For mild ties with no functional symptoms, waiting isn't just acceptable. It's what the AAP and AAPD recommend. The AAPD's policy on frenulum management specifically calls for an evidence-based approach to reduce unnecessary procedures, noting that the exponential rise in tongue tie interventions has outpaced the evidence supporting them.

The best approach is an evaluation by a pediatric dentist who assesses function, not just appearance. Working with a provider who takes a function-first approach means your child gets treated when treatment is warranted and monitored when it's not. If symptoms are present and worsening, acting sooner produces better outcomes than waiting.

Schedule a tongue tie evaluation at Mini Miners Pediatric Dentistry if you have concerns, and let a functional assessment guide the decision.

Frequently Asked Questions

Will my child's tongue tie go away on its own?

Some mild tongue ties become less restrictive as a child grows. The frenulum can stretch and thin over time, reducing the restriction's impact. The AAP notes that infants with tongue ties and normal feeding patterns don't need intervention. Monitoring with a pediatric dentist is the safest first step for mild cases.

Can an untreated tongue tie cause cavities?

Indirectly, yes. A restricted tongue can't sweep food debris off teeth the way an unrestricted tongue does, especially along the lower front teeth. This increases plaque buildup and cavity risk over time. The AAPD's 2025 Reference Manual lists oral hygiene impact as a recognized concern with restrictive frenulums.

Does tongue tie affect jaw development and orthodontics?

A tongue that rests low in the mouth instead of against the palate can contribute to a narrow palate, crowded teeth, and open bite patterns. Some orthodontists report that tongue ties contribute to relapse after braces because the tongue doesn't maintain proper resting posture. Evaluating the tongue tie before or during orthodontic treatment may improve outcomes.

Is tongue tie overdiagnosed in kids?

The data suggests it is. US tongue tie diagnoses jumped from 3,377 in 2004 to over 713,000 in 2019 according to a 2025 HCA Washington evidence review. The AAP's 2024 report and AAPD policy both express concern about interventions outpacing evidence. A functional assessment, not just a visual exam, is the standard for responsible diagnosis.

At what age is it too late to treat a tongue tie?

It's never too late. Older children, teens, and adults can still benefit from a release, especially if the tie causes persistent speech, eating, or orthodontic problems. Treatment after age 5 usually includes myofunctional therapy or speech therapy to retrain compensatory habits that developed around the restriction.

Can untreated tongue ties cause sleep problems?

Some studies link restrictive tongue ties to mouth breathing and sleep-disordered breathing through narrow palate development. The evidence is building but not definitive. The AAP doesn't currently support releasing tongue ties specifically for sleep or airway prevention. Both issues deserve independent evaluation.

What's the difference between a mild and severe tongue tie?

Severity depends on function, not appearance alone. A mild tongue tie may restrict movement slightly without affecting feeding, speech, or oral hygiene. A severe tongue tie prevents the tongue from extending past the lower lip and typically causes measurable problems with feeding and articulation. A functional assessment by an experienced provider determines where your child falls.