HOSA Dental Terminology Practice

The primary characteristic of an abnormally short lingual frenum is what?

1. Extensive tooth decay

2. Limited tongue movement

3. Enhanced speech articulation

4. Gum overgrowth

The correct answer is: Limited tongue movement

An abnormally short lingual frenum, which is the tissue that connects the underside of the tongue to the floor of the mouth, primarily causes limited tongue movement. When the frenum is too short, it restricts the mobility of the tongue, which can lead to difficulties in functions such as speaking, swallowing, and even properly cleaning the teeth. It may affect the ability to fully extend the tongue, impacting tasks like reaching the roof of the mouth or moving the tongue in certain directions. While other conditions may be seen in the mouth, such as gum overgrowth or tooth decay, these are not directly caused by a short lingual frenum. Enhanced speech articulation would generally not be associated with this condition, as restricted tongue movement would typically hinder proper speech rather than enhance it. Thus, limited tongue movement is the primary characteristic that provides insight into the implications of having an abnormally short lingual frenum.