The effectiveness of water jet flossing and interdental flossing for oral hygiene in orthodontic patients with fixed appliances: a randomized clinical trial

Table 1 Comparison of median percentage values of plaque index, gingival bleeding index & gingival index grades between two study groups of initial and follow up stages

Outcome variables	Study groups- Median % ( IQR)		Median% difference	p-value
Outcome variables	Interdental (n = 12)	Water jet flossing (n = 18)	Median% difference	p-value
Plaque Index
Initial stage	37.50(18.3)	36.45(40.0)		0.932*
Follow-up stage			6.79
	21.37(19.6)	14.58(11.5)		0.279*
Gingival bleeding Index			3.51
Initial stage		47.91(47.7)	5.21	0.518*
Follow- up stage	44.40(44.6)20.83(30.9)	15.62(13.5)		0.172*
	0.83(30.9)
Gingival Index grades
Initial stage
2		10(83.3)	17(94.4)	0.347**
3		2(16.7)	1(5.6)	--
Follow-up stage
2		11(91.7)	18(100)	0.400**
3		1(8.3)	0	--

ISSN: 1472-6831