Gaining Surgical Access for Repositioning the Inferior Alveolar Neurovascular Bundle

Table 4

Mean measurement with standard deviation and corresponding 95% confidence interval for the distances of the mandibular canal to the inferior border (IBM) and buccal cortex in Chinese subjects.

Site	Gender		Overall
	Male	Female
D1
IBM	10.18±1.56 mm; (9.45–10.91 mm)	9.47±1.02 mm; (8.99–9.95 mm)	9.83±1.35 mm; (9.40–10.26 mm)
Buccal	4.35±1.11 mm; (3.83–4.87 mm)	3.85±0.74 mm; (3.50–4.19 mm)	4.10±0.97mm; (3.79–4.41 mm)
D2
IBM*	9.40±1.54 mm; (8.68–10.13 mm)	8.40±1.34 mm; (7.77–9.03 mm)	8.90±1.52 mm; (8.42–9.39 mm)
Buccal	6.06±1.13 mm; (5.54–6.59 mm)	5.96±1.17 mm; (5.41–6.50 mm)	6.01±1.13 mm; (5.65–6.37 mm)
D3
IBM	9.08±1.67 mm; (8.30–9.86 mm)	8.56±1.64 mm; (7.79–9.33 mm)	8.82±1.65 mm; (8.29–9.35 mm)
Buccal	7.09±1.53 mm; (6.37–7.80 mm)	7.06±1.26 mm; (6.47–7.64 mm)	7.07±1.38 mm; (6.63–7.51 mm)
D4
IBM	10.50±1.94 mm; (9.59–11.41 mm)	10.69±2.20 mm; (9.66–11.72 mm)	10.60±2.05 mm; (9.94–11.25 mm)
Buccal	6.37±1.90 mm; (5.48–7.26 mm)	6.23±1.20; (5.67–6.80)	6.30±1.57 mm; (5.80–6.80 mm)
D5
IBM	15.81±3.10 mm; (14.35–17.26 mm)	16.30±4.04 mm; (14.41–18.20 mm)	16.06±3.57 mm; (14.92–17.20 mm)
Buccal**	4.44±1.51 mm; (3.73–5.15 mm)	5.85±1.64 mm; (5.08–6.61 mm)	5.14±1.71 mm; (4.60–5.69 mm)

∗Independent 𝑡-test, 𝑃=0.035.
**Independent 𝑡-test, 𝑃=0.007.