Dental and gum recession
Gum recession at the lower front teeth is often attributed solely to brushing technique or periodontal disease. In some cases there is an additional structural driver that is easy to miss: direct mechanical traction from a tight lip or tongue frenulum, or mouth breathing linked to a disrupted oral microbiome. Addressing the root cause means looking beyond the gum line and beyond hygiene alone.
Frenulum traction and the oral microbiome
The gingival tissue at the lower front teeth is thin, with a limited blood supply, which makes it vulnerable to sustained mechanical traction. A short or tightly attached lower lip frenulum, or a lower lingual frenulum with an anterior attachment, can pull directly on the gum margin every time the lip or tongue moves. This is traction during movement, not pressure at rest, and it acts on the same narrow strip of tissue repeatedly over months and years.
A second, separate pathway is mouth breathing. Restricted tongue or lip function often makes nasal breathing harder to sustain, and habitual mouth breathing dries the gum tissue and alters the balance of the oral microbiome. A drier mouth with a disrupted microbial environment is more vulnerable to inflammation and recession, independent of any mechanical traction. In many of the patients we see, both pathways, direct frenulum traction and a mouth-breathing-altered microbiome, are present together and reinforce each other.
A short or tightly attached lower lip or tongue frenulum pulls directly on the gum margin every time the lip or tongue moves. This repeated traction, rather than resting pressure, is the primary mechanical driver.
Restricted tongue or lip function can make nasal breathing harder to sustain. Habitual mouth breathing dries gum tissue and disrupts the oral microbiome, increasing vulnerability to recession independently of traction.
Gum grafting without addressing an underlying frenulum or breathing pattern is likely to fail over time. The same traction or dryness that caused the original recession can act on the grafted tissue.
If you are a periodontist, dentist, or orthodontist seeing patients with recurring lower anterior recession or orthodontic relapse where a tight frenulum or a mouth-breathing pattern appears to be a factor, we welcome referrals and are happy to discuss cases via our Professional Services pathway. Many of these patients have unidentified lip or tongue tie that is the primary driver of the problem you are managing.
What the evaluation covers
We assess the lingual, labial, and buccal frenula for attachment level and elasticity, and observe tongue and lip movement to see whether traction is being applied to the gum margin during function.
We assess whether nasal breathing is achieved and sustained at rest and during sleep, since habitual mouth breathing is a distinct contributor to gum health through its effect on the oral microbiome.
Dr. Roche reviews all findings and advises on whether frenuloplasty is appropriate, at what stage relative to any planned periodontal or orthodontic treatment, and what the realistic outcome of intervention would be.
Post-release myofunctional therapy supports nasal breathing and correct oral rest posture, addressing the mouth-breathing pathway and helping the gum tissue, and any graft work, stabilise.
Frequently asked questions
My dentist says my recession is from brushing too hard. Could it also be lip or tongue tie?
Both can be true simultaneously. Aggressive brushing technique is a genuine cause of recession. However, if recession is most pronounced at the lower anterior teeth, persistent despite improved brushing technique, or returns after treatment, a tight frenulum applying direct traction, or a mouth-breathing pattern affecting the oral microbiome, is worth investigating as a co-factor or primary driver. These are not mutually exclusive, but treating one while ignoring the others limits outcomes.
I have already had a gum graft. Is it too late to address this?
No. If recession has recurred after a graft, identifying and addressing the underlying frenulum traction or mouth-breathing pattern now is important to protect both the existing graft and any future graft tissue. Correcting the mechanical or breathing driver, alongside frenuloplasty and myofunctional therapy where indicated, can stabilise the situation and prevent further loss. Your periodontist will likely welcome this approach.
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Relevant services at NTTC
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Talk to a NTTC clinician about recurring or unexplained gum recession. We assess frenula, breathing pattern, and oral function together, and advise clearly on what is driving it and what, if anything, needs to be done.
Frenuloplasty is a surgical procedure.