Classification allows practitioners dealing with tongue-tie to better communicate. The most common classification is the one proposed by Coryllos et al in 2004 and published under the auspice of the American Academy of Pediatrics.

coryllos-classification1

Model by Dr. Elisabeth (Betty) Coryllos.

Please note that the different types do not represent severity or grades.

 

 

 

Classical (anterior) lingual frenulum:

 

Type 1 is the attachment of the frenulum to the tip of the tongue, usually in front of the alveolar ridge in the lower lip sulcus:

Coryllos type 1

 

Type 2 is two to four mm behind the tongue tip and attaches on or just behind the alveolar ridge:

 

coryllos-type-21


Posterior lingual frenulum
:

Type 3 tongue-tie is the attachment to the mid-tongue.

 

Coryllos type 3

 

Type 4 is essentially against the base of the tongue, and is thick, shiny and very inelastic:

coryllos-type-4coryllos-type-4-press

 

 

 

© Pictures on the webpage were taken by, and are copyrighted to Eyal Botzer DMD