Correlation between Nails Biting and Temporomandibular Joint Disorders and Emotional Status among Teenagers in Riyadh: A Cross sectional study

Abstract

Aim Of Investigation: The aim of this study was to investigate the relationship between tempromandibular disorders (TMDs) and nail biting among high school students in Riyadh, Saudi Arabia. Methods: Five high schools in Riyadh were selected from five different regions to collect Randomly 424 students divided into two groups; 224 students with nail biting habit in the first group, and 200 students who does not have that habit in the second group. A questionnaire and TMJ examination were performed on both groups. Results: The most common symptoms of TMDs in the first group was pain in the TMJ (23.2%) (p