Table 3. Correlation between facial parameters and artifacts for total canals

Variables		Experienced examiner			Non-experienced examiner
Variables		Rejection	Notch_during	Rebound	Rejection	Notch_during	Rebound
Head ratio	r	−0.136	−0.157	0.275	0.178	0.354	0.758
Head ratio	p	0.727	0.686	0.474	0.646	0.350	0.018
Binocular spacing	r	−0.048	0.138	−0.176	−0.436	−0.178	−0.347
Binocular spacing	p	0.903	0.722	0.650	0.241	0.646	0.360
Depth of nasion	r	0.722	−0.101	0.070	0.083	0.480	0.105
Depth of nasion	p	0.028	0.796	0.858	0.831	0.191	0.789
Nasofrontal angle	r	−0.666	0.146	−0.150	−0.406	−0.669	−0.435
Nasofrontal angle	p	0.050	0.707	0.700	0.278	0.049	0.242
Pupil ratio	r	−0.171	0.506	−0.462	−0.718	0.044	−0.378
Pupil ratio	p	0.659	0.164	0.211	0.029	0.911	0.316

Pearson correlation analysis was used.