Multivariate analysis of causal factors influencing accuracy of guided implant surgery for partial edentulism: a retrospective clinical study

International Journal of Implant Dentistry

Table 6 Influence of each factor on error of the placement position (P values)

	Angle	Base	Apex
Missing teeth-derived factors
Type of tooth	0.853	0.339	0.729
Type of edentulism	0.915	0.882	0.780
Distance from remaining teeth to placement position	0.019	0.837	0.614
Implant-derived factors
Type of implant	0.274	0.205	0.258
Implant length	0.131	0.071	0.047
Number of implants	0.003	0.031	0.008
Method of guidance	< 0.001	0.023	0.001
Guide design-derived factors
Number of teeth supporting the surgical guide	0.041	0.015	0.007
Number of anchor pins	< 0.001	0.702	0.221
Presence or absence of reinforcement structure	< 0.001	0.608	0.052