Table 2. Clinical parameters at T1.

	Patients	GI	PI%	BI%	PD mm	Presence of dental dyschromia
Abbreviations: BI, bleeding index; GI, gingival index; PD, probing depth; PI, plaque index.
GROUP A	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22	1 0 0 1 0 0 0 0 1 1 0 0 0 0 0 0 0 0 1 0 1 1	19.53% 6.25% 12.50% 6.25% 1.56% 3.12% 3.12% 2.34% 12.50% 3.12% 6.25% 5.46% 3.12% 4.68% 1.56% 3.90% 1.56% 5.46% 9.37% 4.68% 1.56% 3.12%	15.62% 1.56% 1.56% 12.50% 0 0 1.56% 2.34% 14.06% 18.75% 1.56% 0 0 0 0 0 0 1.56% 12.50% 0 3.12% 6.25%	2 0 1 2 0 0 0 0 2 2 1 0 1 0 0 1 0 0 1 0 1 1	/ / / / / / / / / / / / / / / / / / / / / /
GROUP B	1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20	1 1 0 2 1 0 2 1 0 0 1 1 2 1 1 1 2 0 1 1	2.34% 1.56% 0 9.37% 6.25% 0 10.93% 9.37% 1.56% 0 2.34% 4.68% 3.12% 1.56% 1.56% 4.68% 3.12% 1.56% 0 1.56%	12.50% 10.93% 1.56% 21.87% 3.12% 3.12% 9.37% 6.25% 3.12% 2.34% 1.56% 1.56% 10.93% 13.28% 2.34% 6.25% 14.06% 1.56% 0 0	2 2 1 2 1 0 3 2 0 0 2 2 3 2 2 1 2 0 0 0	/ / / 1.56% / / / 1.56% / / / / / 1.56% / / 2.34% / / /