Table 1. Mean thickness of hard and soft tissues at each level.

Mean thickness (mm)		Central incisor	Lateral incisor	Canine
Gingival thickness
	G0	1.58±0.32a)	1.30±0.24a)	1.32±0.26a)
	G1	0.76±0.16a)	0.61±0.19	0.64±0.15a)
	G2	0.72±0.12	0.63±0.19	0.69±0.27
	G3	0.75±0.16	0.70±0.21	0.68±0.20
	G4	0.81±0.21	0.80±0.27	0.73±0.24
	G5	0.91±0.26	0.94±0.29	0.84±0.22
Alveolar bone plate thickness
	A1	0.89±0.19	0.90±0.21	0.93±0.24
	A2	0.93±0.20	0.96±0.31	0.98±0.28
	A3	0.89±0.19	0.87±0.33	0.94±0.28
	A4	0.83±0.18	0.77±0.33	0.87±0.26
	A5	0.78±0.18	0.66±0.31a)	0.81±0.25a)

Values are presented as mean±standard deviation.

G0, gingival thickness at the alveolar crest line; G1–5, gingival thickness 1–5 mm inferior to the alveolar crest; A1–5, alveolar bone thickness 1–5 mm inferior to the alveolar crest.

^a)Statistically significant difference (P<0.05).