Relevant factors of posterior mandible lingual plate perforation during immediate implant placement: a virtual implant placement study using CBCT

Table 3 Analysis of the linear relationship between all the related morphological parameters with D_IL(coefficient*)

Model	Nonstandardized coefficient		Standardized coefficient
Model	B	Standard error	Beta	t	P
1
(Constant)	1.434	3.417		0.420	0.676
Wb (mm)	− 0.045	0.100	− 0.043	− 0.457	0.649
Wc (mm)	0.204	0.096	0.210	2.139	0.036
V (mm)	0.073	0.062	0.113	1.167	0.247
∠ β (°)	− 0.063	0.025	− 0.247	− 2.474	0.016
LCH (mm)	0.099	0.272	0.119	0.363	0.718
LCD (mm)	− 0.998	0.437	− 0.698	− 2.284	0.025
∠α(°)	0.011	0.052	0.045	0.209	0.835
2
(Constant)	0.959	3.460		0.227	0.782
Wb (mm)	− 0.043	0.101	− 0.040	− 0.425	0.672
Wc (mm)	0.204	0.097	0.209	2.113	0.038
V (mm)	0.072	0.063	0.111	1.137	0.259
∠ β (°)	− 0.061	0.026	− 0.247	− 2.370	0.021
LCH (mm)	0.086	0.275	0.103	0.311	0.757
LCD (mm)	− 0.985	0.442	− 0.686	− 2.226	0.029
∠α(°)	0.012	0.052	0.051	0.234	0.816

Model 1 (U-type, R² = 0.612): D_IL (⌀ = 4.1 mm) = − 0.998LCD + 0.204Wc − 0.063∠ β
Model 2 (U-type, R² = 0.612): D_IL (⌀ = 4.8 mm) = − 0.985LCD + 0.204Wc − 0.061∠ β

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