Buccal Lingual Inferior Inter-radicular P-value
Buccal wall thickness (mm) 0.66 (0.28) 3.1 (1.68) 0.65 (0.52) 0.61 (0.11) 0.034a
Buccal wall bone density
(CBCT-HU)
539.27 (244.18) 631.09 (281.6) 524.96 (216.75) 510.27 (223.08) 0.021a
Superior wall thickness (mm) 0.66 (0.27) 1.78 (0.72) 0.99 (0.62) 0.61 (0.41) 0.853
Superior wall bone density
(CBCT-HU)
557.37 (219.18) 571.11 (227.19) 562.37 (209.34) 551.29 (245.33) 0.182
Lingual wall thickness (mm) 0.7 (0.34) 0.75 (0.33) 0.64 (0.28) 0.55 (0.11) 0.06
Lingual wall bone density
(CBCT-HU)
629.88 (217.35) 638.75 (285.44) 620.14 (241.01) 612.79 (118.3) 0.092
Apico-coronal diameter (mm) 2.79 (0.7) 2.9 (0.69) 2.9 (0.63) 2.64 (0.54) 0.442
Bucco-lingual diameter (mm) 2.31 (0.53) 2.09 (0.53) 2.25 (0.46) 2.14 (0.65) 0.055

aP < 0.05 significant differences between subgroups according to One-Way ANOVA tests.
CBCT = cone-beam computed tomography; HU = Hounsfield units.