Tags: Anatomical Structure.
The mandibular central incisor is the tooth located on the jaw adjacent to the midline of the face. It is mesial (toward the midline of the face) from both mandibular lateral incisors. As with all incisors its function includes shearing or cutting food during mastication commonly known as chewing. There are no cusps on the tooth. Instead the surface area of the tooth used in eating is called an incisal ridge or incisal edge.