In plain words
The Hazelbaker Assessment Tool for Lingual Frenulum Function is a scoring checklist. It was made in 1993 to look at a baby's in two ways. One part scores how the tie appears. Another part scores how the tongue moves during feeding and at rest. Each item gets a number, and the totals help a clinician describe the tie. Some clinics use it when deciding whether a release may help. It is one of several tools, and no single score settles the question. Results depend on the person scoring and on the feed being watched. A low function score on this tool is a clue, not a diagnosis. Families may hear the tool named when a provider explains an assessment.
The deeper version
The Hazelbaker Assessment Tool for Lingual Frenulum Function (1993) scores appearance items and function items. It proposed score cut-offs for appearance and for function as indicating a need for division. In practice it is paired with the Coryllos classification of tie types I to IV by location, and with the Bristol Tongue Assessment Tool (Ingram and colleagues, 2015), which scores four items from 0 to 2, where lower totals mean more restriction. Inter-rater agreement is a recognized limitation. The thresholds were proposed in clinical cohorts and have limited validation against feeding outcomes in randomized trials. The controversy is that function-based tools were designed to replace appearance-based judgment, yet they still rely on observation during feeds that can vary widely.
Where it comes up
- Tongue and lip tiesFeeding Your Baby
- Getting a deep latchFeeding Your Baby
- Jaw tension, torticollis, and bodywork for feedingFeeding Your Baby
What mothers here say about Hazelbaker Assessment Tool for Lingual Frenulum Function
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Sources
- Hazelbaker AK — Assessment Tool for Lingual Frenulum Function (1993)
- Ingram J and colleagues — Bristol Tongue Assessment Tool (2015)