Correlation of intercanthal and interalar distance to intercanine distance for selection of maxillary ant. teeth
Muhammad Shoaib Ayyub Qazi, Naveed Inayat, Afsheen Ahmad, Nadia Munir, M. Muddassar, Mirza Abdul Rauf
Background: Maxillofacial region’s reference points like interpupillary distance, intercanthal distance, interalar distance and bizygomatic width can significantly contribute toward reconstruction of two-dimensional (2D) facial profiles.
Aim: To find correlation between intercanthal to intercanine and interalar to intercanine distance for maxillary anterior teeth selection.
Methodology: This study was conducted at de’ Montmorency College of Dentistry/ Punjab Dental Hospital, Lahore from 29-08-2013 to 28-04-2014. Sampling technique was non-probability purposive. 200 subjects are estimated for correlation of intercanthal distance to intercanine distance and correlation of interalar distance to intercanine distance as r=0.302.
Results: Out of 200 cases, 102(51%) were 20-40 years of age while 98(49%) were ranging between 41-60 years of age, mean±SD was calculated as 41.01±11.90 years, 135(67.5%) were male and 65(32.5%) were females, correlation among maxillary intercanine distance with other facial land marks shows the distance of intercanine was 37.26±3.91, it was 41.26±4.57 for interalar and 34.50+2.51 was recorded for intercanthal, the value of R2, the coefficient of determination, is 0.0893 for intercanine to intercanthal and 0.0018 for intercanine to interalar.
Conclusion: We concluded that intercanthal distance to intercanine distance is more correlated as compared to interalar distance to intercanine distance in Pakistani population.
Keywords: Maxillary anterior teeth, intercanthal distance, intercanine distance, interalar distance, correlation