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Lingual Frenectomy

A lingual frenectomy releases a restrictive band of tissue tethering the tongue to the floor of the mouth. Where genuine restriction exists it can matter for tongue posture and therefore for the airway. This is also an area with more enthusiasm than evidence, so it is worth setting out the honest position.

01

Why tongue position matters for the airway

The tongue's resting position influences both the airway and, during growth, the shape of the palate. A tongue that rests against the palate supports the upper arch and sits away from the posterior pharyngeal wall. A tongue tethered so it cannot reach the palate rests low in the floor of the mouth, closer to the airway behind it, and provides none of that support to the developing arch. This is the mechanistic argument connecting restriction, a narrow palate and airway compromise.

02

Assessing genuine restriction

Assessment is functional, not just visual. What matters is whether the tongue can reach the palate, maintain contact while the mouth opens, move laterally, and elevate adequately during swallowing — not merely how the frenum looks. Classification systems exist and agreement between clinicians is imperfect, which is precisely why over-diagnosis is a real risk. A visible frenum in someone with normal function is not a condition requiring treatment.

03

The honest evidence position

For infant feeding difficulty the evidence for release is reasonably good. For obstructive sleep apnea in adults the evidence is considerably weaker: studies are small, often uncontrolled, and typically combine release with myofunctional therapy so the contributions cannot be separated. It is reasonable to consider release as part of a broader airway plan in someone with demonstrated functional restriction. It is not reasonable to present it as a treatment for sleep apnea, and we do not.

04

The procedure and what surrounds it

Release is a short procedure under local anaesthetic, by scalpel, scissors or laser, with a few days of soreness and a small risk of bleeding, infection or scarring. The part that determines the outcome is what surrounds it: myofunctional therapy before and after, because a tongue that has functioned in a restricted pattern for decades does not spontaneously adopt a new resting posture once released. Release without that programme frequently reattaches functionally, which is the most common reason it disappoints.

Common questions

Will a frenectomy cure my sleep apnea?
No, and be cautious of anyone suggesting otherwise. Where genuine restriction exists it may improve tongue posture and support other treatment, but it is one component of a plan rather than a treatment for apnea in its own right.
I was told as an adult that I have a tongue tie. Should I have it released?
Only if there is demonstrated functional restriction and a clear reason to expect benefit — feeding, speech, or airway and myofunctional goals. A visible frenum with normal tongue function does not need treating, and adult diagnosis has become notably fashionable.
Is laser better than scissors?
Both work. Laser may mean less bleeding and no sutures; scalpel or scissor release is quick, well established and effective. The technique matters far less to the outcome than accurate assessment beforehand and myofunctional therapy afterwards.

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