From: Lingual laser frenotomy in newborns with ankyloglossia: a prospective cohort study
Type of Frenulum | Upper Insertion | Lower Insertion |
---|---|---|
1 | On tongue tip | On alveolar ridge |
2 | On tongue tip | Just behind the alveolar ridge |
3 | In the middle of the tongue | In the middle of the floor of the mouth |
4 | In the middle of the tongue | In the tongue base |