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 1

Mean size of PA lesions at baseline and at 1 and 3 months after endodontic treatment in the two groups.

Group	Baseline		1 month		3 months
	Median	Interquartile range	Median	Interquartile range	Median	Interquartile range
Control	7	5–7	4	3–5	2	0–3
Intervention	6.5	4–8	4	2–6	1	0–5
value	0.89		0.82		0.92