Table 4 The minimal distal dentine thicknesses of mesial roots in danger zone according to side (mean ± SD, mm)
From: Root dentine thickness of danger zone in mesial roots of mandibular first molars
Groups | Men | Women | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
1 mm | 2 mm | 3 mm | 4 mm | 5 mm | 1 mm | 2 mm | 3 mm | 4 mm | 5 mm | |
Left | 0.94 ± 0.15 | 0.78 ± 0.13 | 0.76 ± 0.12 | 0.76 ± 0.12 | 0.77 ± 0.11 | 0.90 ± 0.15 | 0.76 ± 0.13 | 0.74 ± 0.13 | 0.75 ± 0.12 | 0.76 ± 0.12 |
Right | 0.94 ± 0.15 | 0.80 ± 0.13 | 0.76 ± 0.11 | 0.76 ± 0.12 | 0.78 ± 0.11 | 0.91 ± 0.14 | 0.76 ± 0.12 | 0.74 ± 0.11 | 0.76 ± 0.12 | 0.76 ± 0.12 |