Table 5.

Intergroup comparisons of radiographic parameters

Clinical parameters	Time period	Groups	Mean	SD	Level of significance
Increment in density	ID 7	CQ group	0.15	0.75	0.667
		Control group	− 0.09	0.66
	ID 21	CQ group	0.37	0.74
		Control group	− 0.04	0.67
	ID 6	CQ group	0.37	0.71
		Control group	− 0.06	0.79
Rate of change of density	RD 7	CQ group	0.45	2.70	0.591
		Control group	− 0.38	2.30
	RD 21	CQ group	0.35	0.93
		Control group	0.21	1.07
	RD 42	CQ group	− 0.07	0.83
		Control group	− 0.07	0.82