Table 4.

Pairwise comparisons (Mann–Whitney U test) between the three groups of scorers for the 10 smile types.

	Lay people versus orthodontist	Laypeople versus general practitioner	Orthodontist versus general practitioner
Short face
+2 mm gingival display	0.296	0.577	0.588
−2 mm gingival display	0.770	0.378	0.599
0 mm gingival display	0.601	0.322	0.830
+4 mm gingival display	0.423	0.576	0.791
−4 mm gingival display	0.069	0.537	0.260
Long face
+2 mm gingival display	0.007	0.205	0.117
−4 mm gingival display	0.762	0.215	0.333
0 mm gingival display	0.006	0.795	0.004
−2 mm gingival display	0.083	0.167	0.656
+4 mm gingival display	0.141	0.132	0.956