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. 2017 Aug 17;12(8):e0179704. doi: 10.1371/journal.pone.0179704

Table 2. MF morphometric characteristics with respect to anteroposterior location.

1st M 1st M-2nd PM 2nd PM 2nd PM-1st PM 1st PM
CHARACTERISTICS (n = 17) (n = 58) (n = 370) (n = 161) (n = 32) P
Long Diameter 4.54 ± 1.19 4.77 ± 1.14* 4.49 ± 1.03 4.41 ± 1.20 3.81 ± 1.40* 0.003
Short Diameter 3.17 ± 0.78* 3.24 ± 0.79 2.96 ± 0.72 2.85 ± 0.77 2.45 ± 0.79* 0.000
Area 11.64 ± 5.03 12.46 ± 5.44* 10.75 ± 4.77 10.36 ± 5.11 7.99 ± 5.37* 0.001
MF-MIB 14.47 ± 2.04 13.69 ± 1.54 13.55 ± 1.60 13.50 ± 1.55 13.67 ± 1.80 0.194
MF-MSB 12.15 ± 3.36 11.23 ± 3.60 11.58 ± 3.12 12.18 ± 2.53 12.15 ± 3.49 0.144
Emerging Angle 47.12 ± 12.04 55.22 ± 16.28 52.21 ± 15.13 52.73 ± 14.03 52.66 ± 15.77 0.365

MF characteristics are expressed as means ± standard deviation. The ANOVA was performed to compare MF characteristics with respect to MF anteroposterior location. Results in bold letters indicate statistical significance (p < 0.05).

*, †, ¶, and ∫ indicates a significant difference after Bonferroni post-hoc multiple tests.

M, molar; PM, premolar; MF, mental foramen; MF-MIB, distance from the alveolar crest to the MF; MF-MIB, distance from the MF to the inferior mandibular border.