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Tongue Tie Diagnosis: Why Function Matters More Than Appearance

  • In this episode, Hallie Bulkin addresses what she calls “one of the most misunderstood topics in our field” : tongue tie diagnosis. She challenges the common clinical practice of relying on visual assessment—hearing clinicians say, “it looks tied” or “it’s a mild tie”—and emphatically states that function is what determines a diagnosis, not appearance.

    Hallie introduces a 4-step framework for making confident, clinically sound decisions : Function, Form, Impact, Decision. She emphasizes that the appearance-based mindset often leads to both over- and under-diagnosis of ties, and that true diagnosis requires observing the tongue’s mobility, coordination, and control within the entire system.

    Hallie also stresses the importance of addressing compensatory movements, which she believes mask true movement and should not be taught as a form of “survival mode”. For optimal outcomes, treatment must focus on function and consider the whole connected system—airway, jaw, spine, and nervous system.

    In this episode, you’ll learn: 

    ✔️Function is the key determinant of a tongue tie diagnosis, not the visual appearance of the tissue

    ✔️ The risk of the “appearance-based mindset” leading to over- and under-diagnosis

    ✔️ A four-step clinical reasoning framework for assessment: Function to Form to Impact to Decision

    ✔️ Why a short or tight-looking frenulum may not restrict movement, while a hidden posterior tie can create major functional restriction

    ✔️ Compensatory strategies often mask the need for a release and take more energy, leading to a “survival mode”

    ✔️ Diagnosis requires a functional limitation PLUS a meaningful impact on the person’s life (e.g., feeding, speech, sleep quality)

    ✔️ Why functional readiness must be assessed to determine if and when the body is ready for a lingual release.

    ✔️ The release is not a “magical instant fix”; therapy before and after is crucial for neuromuscular reeducation and success.

    ✔️ Treatment must consider the whole connected system (airway, jaw, cervical spine, nervous system), not just the tongue in isolation.

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