Dorsal surface Ventral surface Apex Body Root Apex Body Root Dorsal surface Apex  Pearson Correlation Sig. (2-tailed) N ---- 0.729 0.162 5 0.963** 0.009 5 0.917* 0.028 5 ---- ---- Body  Pearson Correlation Sig. (2-tailed) N 0.729 0.162 5 ---- 0.882* 0.048 5 ---- 0.688 0.199 5 ---- Root  Pearson Correlation Sig. (2-tailed) N 0.963** 0.009 5 0.882* 0.048 5 ---- ---- ---- 0.922* 0.026 5 Ventral surface Apex  Pearson Correlation Sig. (2-tailed) N 0.917* 0.028 5 ---- ---- ---- 0.890* 0.043 5 0.965** 0.008 5 Body  Pearson Correlation Sig. (2-tailed) N ---- 0.688 0.199 5 ---- 0.890* 0.043 5 ---- 0.747 0.147 5 Root  Pearson Correlation Sig. (2-tailed) N ---- ---- 0.922* 0.026 5 0.965** 0.008 5 0.747 0.147 5 ----               **. Correlation is significant at the 0.01 level (2-tailed). *. Correlation is significant at the 0.05 level (2-tailed).

Table 1: Correlation matrix of lingual epithelial thicknesses.