Soft Tissue Response to Titanium Abutments with Different Surface Treatment: Preliminary Histologic Report of a Randomized Controlled Trial

Table 4

Report of the histological analysis of foreign material (exact significance: ; point probability: ).

	Score	% sections
Group 1	1	0%
	2	60%
	3	0%
	4	40%
Group 2	1	0%
	2	20%
	3	0%
	4	80%
Group 3	1	0%
	2	20%
	3	0%
	4	80%