highly significantp < 0.0001
There is consistently more D1 dimensions in Group II as compared to Group I in each of interdental sites and these differences were found to be statistically significant for PM/CA, CA/LI and LI/CI while the difference was highly significant with CI/CI, CI/LI, LI/CA and CA/PM (p < 0.0001). 5 Discussion In search of definitive guidelines for attaining esthetics in relation to the proportionate existence of white and pink components, several clinical trials have been reported in the literature pertaining to PCA locations ( de Castro et al., 2006 , Sarver, 2004 ).