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. 2013 Jun 11;2013:183869. doi: 10.1155/2013/183869

Table 2.

Distances from DL orifice to other 3 orifices in 25 permanent three-rooted right and left mandibular first molars.

Teeth Distance (mm)
DLO-DBO DLO-MBO DLO-MLO
# 36 (n = 10) 2.80 ± 0.41 4.18 ± 0.79 3.25 ± 0.52
# 46 (n = 15) 2.79 ± 0.27 4.28 ± 0.83 3.33 ± 0.53

Total (n = 25) 2.79 ± 0.34 4.23 ± 0.81 3.29 ± 0.52

Distolingual orifice (DLO); distobuccal orifice (DBO); mesiobuccal orifice (MBO); mesiolingual orifice (MLO).