Case Report

Clinical Guidelines and Management of Ankyloglossia with 1-Year Followup: Report of 3 Cases

Table 1

Kotlow’s classification.

TypeMovement of the tongue

Clinically acceptable, normal range of free tongue movementGreater than 16 mm
Class I: Mild ankyloglossia12 to 16 mm
Class II: Moderate ankyloglossia8 to 11 mm
Class III: Severe ankyloglossia3 to 7 mm
Class IV: Complete ankyloglossialess than 3 mm