Gaining Surgical Access for Repositioning the Inferior Alveolar Neurovascular Bundle

Table 2

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 Malay subjects.

Site	Gender		Overall
	Male	Female
D1
IBM^α	10.30±1.36 mm; (9.67–10.94 mm)	7.95±1.50 mm; (7.26–8.66 mm)	9.13±1.84mm; (8.54–9.72 mm)
Buccal	4.17±0.99 mm; (3.70–4.63 mm)	4.15±1.06 mm; (3.65–4.65 mm)	4.16±1.02 mm; (3.83–4.48 mm)
D2
IBM𝛽	9.32±1.36 mm; (8.68–9.95 mm)	6.92±1.14 mm; (6.38–7.45 mm)	8.12±1.74mm; (7.56–8.67 mm)
Buccal	5.64±1.07 mm; (5.14–6.14 mm)	5.60±1.13 mm; (5.07–6.14 mm)	5.62±1.09 mm; (5.28–5.97 mm)
D3
IBM𝛾	8.99±1.25 mm; (8.40–9.57 mm)	6.43±1.37 mm; (5.79–7.07 mm)	7.71±1.83 mm; (7.12–8.29 mm)
Buccal*	7.24±0.92 mm; (6.81–7.67 mm)	6.44±1.39 mm; (5.79–7.09 mm)	6.84±1.23 mm; (6.45–7.24 mm)
D4
IBM𝛿	10.46±2.01 mm; (9.52–11.40 mm)	8.03±2.94 mm; (6.66–9.41 mm)	9.25±2.78 mm; (8.36–10.13 mm)
Buccal**	6.65±1.21 mm; (6.08–7.21 mm)	5.20±1.65mm; (4.43–5.98 mm)	5.93±1.61 mm; (5.41–6.44 mm)
D5
IBM	15.03±4.14 mm; (13.09–16.97 mm)	13.96±4.12mm; (12.03–15.89 mm)	14.49±4.11 mm; (13.18–15.81 mm)
Buccal§	4.44±0.93 mm; (4.01–4.88 mm)	3.80±0.86 mm; (3.40–4.21 mm)	4.12±0.94 mm; (3.82–4.43 mm)

𝛼Independent 𝑡-test, 𝑃<0.001.
𝛽Independent 𝑡-test, 𝑃<0.001.
𝛾Independent 𝑡-test, 𝑃<0.001.
𝛿Independent 𝑡-test, 𝑃=0.005.
*Independent 𝑡-test, 𝑃=0.039.
**Independent 𝑡-test, 𝑃=0.003.
§Independent 𝑡-test, 𝑃=0.031.