Table 1.

Intragroup comparison of parameters at baseline and six weeks in the test and control groups.

Time interval	Control		Test
Plaque index	Mean	p value	Mean	p value
Gingival index	0.152	0.018∗	0.246	p ≤ 0.001∗∗
Probing pocket depth	0.697	p ≤ 0.001∗∗	0.212	0.037∗
Clinical attachment level	2.787	p ≤ 0.001∗∗	2.377	p ≤ 0.001∗∗
Serum vitamin D	2.216	p ≤ 0.001∗∗	0.959	p ≤ 0.001∗∗
Bone mineral density	-3.519	p ≤ 0.001∗∗	0.078	0.236∗
Plaque index	0.17000	0.495	0.24500	0.349

^∗Statistically significant. ^∗∗Statistically highly significant.