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Table 1 Prevalence (%) of DLR in mandibular first molars

From: Mandibular incisors with two canals are associated with the presence of the distolingual root in mandibular first molars: a cone-beam computed tomographic study

 

Left

Right

Total (%)

p value

Male

Female

Total (%)

Male

Female

Total (%)

Non-DLR

49 (32.7%)

65 (43.3%)

114 (76.0%)

47 (31.3%)

58 (38.7)

105 (70.0%)

219 (73.0%)

p* = 0.242

DLR

22 (14.7%)

14 (9.3%)

36 (24.0%)

24 (16.0%)

21 (14.0%)

45 (30.0%)

81 (27.0%)

Total

71 (47.3%)

79 (52.7%)

150 (100%)

71 (47.3%)

79 (52.7%)

150 (100%)

300 (100%)

p value

p** = 0.046

  1. DLR: distolingual root
  2. p*: Chi-square test between the left and right sides. p**: Chi-square test between males and females
  3. The level of statistical significance was set at p < .05