Efficacy of Calcium Hydroxide/Saline versus Calcium Hydroxide/Artemisia persica Essential Oil as Intracanal Medicament to Improve Radiographic Visualization of Periapical Lesions in Necrotic Teeth: A Randomized Clinical Trial

Table 4

Mean speed of healing in the two groups at 1 and 3 months (n = 11 in each group).

Mean speed	Group	Mean	Std. deviation	value
1 month	Control	1.86	0.61	0.44
	Intervention	2.1	0.94
3 months	Control	1.54	0.49	0.83
	Intervention	1.49	0.50