Table 4.

Macroscopic observations at 8 weeks after surgery for the sham and the test sites

Site of the observation	Macroscopic observations	Occurrence (%)
		Test	Sham
Implantation sites	Not visible	2/8	1/8
	Whitish/grey colouration of the site	7/8	4/8
	Thin and translucent tissue covering the site	8/8	7/8
	Slight depression on the site	2/8	1/8
	Moderate depression on the site	4/8	1/8
	Marked depression on the site	1/8	5/8
	Red colouration in the defect	0/8	5/8
Surrounding tissues	Red/purplish areas/points	5/8	2/8