Figure 2.
Cause of trauma on that area in the patient was actually a harmful habit of nail-biting. Note position of thumb nail on distal incisal edge of central incisor and pressure applied on mesial edge of lateral incisor.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.