From: Reliability of the Hazelbaker Assessment Tool for Lingual Frenulum Function
Appearance Items |
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Appearance of tongue when lifted |
2: Round OR square |
1: Slight cleft in tip apparent |
0: Heart-shaped |
Elasticity of frenulum |
2: Very elastic (excellent) |
1: Moderately elastic |
0: Little OR no elasticity |
Length of lingual frenulum when tongue lifted |
2: More than 1 cm OR embedded in tongue |
1: 1 cm |
0: Less than 1 cm |
Attachment of lingual frenulum to tongue: |
2: Posterior to tip |
1: At tip |
0: Notched tip |
Attachment of lingual frenulum to inferior alveolar ridge |
2: Attached to floor of mouth OR well below ridge |
1: Attached just below ridge |
0: Attached at ridge |
Function Items |
Lateralization |
2: Complete |
1: Body of tongue but not tongue tip |
0: None |
Lift of tongue |
2: Tip to mid-mouth |
1: Only edges to mid-mouth |
0: Tip stays at alveolar ridge or rises to mid-mouth only with jaw closure |
Extension of tongue: |
2: Tip over lower lip |
1: Tip over lower gum only |
0: Neither of above, OR anterior or mid-tongue humps |
Spread of anterior tongue |
2: Complete |
1: Moderate OR partial |
0: Little OR none |
Cupping |
2: Entire edge, firm cup |
1: Side edges only, moderate cup |
0: Poor OR no cup |
Peristalsis: |
2: Complete, anterior to posterior (originates at the tip) |
1: Partial: originating posterior to tip |
0: None OR reverse peristalsis |
Snapback |
2: None |
1: Periodic |
0: Frequent OR with each suck |