Objective: To study the correlation between inner canthal distance, interalar width and inter canine distance in different arch forms of maxilla and determine of relationship between the innercanthal dimension, interalar width and combined width of six anterior teeth. Material & Method: 120 number of dentulous subjects, all subject between 18 to 40 years of age, Three measurements of each subject were made and the mean is calculated and correlation between inner canthal distance, interalar width and inter canine distance in different arch forms of maxilla and the determine of relationship between the inner canthal dimension, interalar width and combined width of six anterior teeth was done.