Table 1: Frequency distribution of gingival biotype measurement

		Transparency of probe tip (%)
Gingival thickness measured in mm		Visible				Nonvisible
		n		%		n		%
0.3-0.4		54		5.86		0		0
0.5-0.6		303		32.93		38		4.13
0.7		103		11.19		104		11.3
0.8-0.9		34		3.69		188		20.43
1.0-1.2		0		0		96		10.43