A study by Benoiton et al 3 evaluated 34 infants within 24 hours of frenotomy for ankyloglossia and/or tethered, maxillary labial frenum (upper lip tie) and 2 weeks later. The Hazelbaker Assessment ...
A frenum or frenulum is a piece of soft tissue that runs in a thin line between the lips and gums. Sometimes, it can become injured while eating, wearing braces, or other activities. It’s present on ...