range of inter-incisal opening among university students of Ajman, UAE

The aim of this study was to investigate the average maximum mouth opening and range of mouth opening in a representative sample of the adult students of UAE. Maximum mouth opening was studied in 450 adult students age range 19-24 years of Gulf Medical University Ajman, UAE. Those with clinical history of TMJ involvement, trauma, infections, dental prosthesis on the anterior teeth, congenital anomalies in the maxillofacial region were excluded from this study. The measurements were taken twice and mean of the two values were recorded. The average mouth opening of males [59.74 + 5.26 mm] subjects was higher as compared to female [46.50 + 3.32 mm] with significant, p-value 0.000