Scientific Reports

Table 3 Median, Minimum and Maximum values of the percentage of calcium (Ca), phosphate (P), chlorine (Cl) and silicon (Si) obtained from the Energy Dispersive Spectroscopy (EDS) chemical analysis on dentin surface after immersion in the irrigation solutions (G1–G11) as indicated in protocols A–G which are detailed in Table 1, before and after root canal obturation.

From: A matched irrigation and obturation strategy for root canal therapy

Dentine management	Element	G1	G2	G3	G4	G5	G6	G7	G8	G9	G10	G11
Before obturation	Ca	22.69^A (21.4–28.0)	18.07^A (17.5–23.3)	18.96^A (16.6–19.1)	25.79^A (18.7–26.1)	18.60^A (16.2–23.2)	17.69^A (13.9–24.1)	15.43^A (14.1–15.5)	16.05^A (12.5–18.3)	18.80^A (12.4–20.5)	16.42^A (12.4–20.1)	24.64^A (24.5–24.8)
After obturation	Ca	27.84^A (22.5–32.8)	26.43^A (19.5–30.3)	29.48^A (22.1–32.4)	25.52^A (22.8–28.7)	27.41^A (22.9–33.6)	27.50^A (23.1–30.3)	27.67^A (22.5–32.9)	27.36^A (19.9–31.2)	19.72^B (12.9–28.3)	20.67^B (16.3–27.6)	25.51^A (22.3–32.0)
Before obturation	P	12.35^AB (11.7–14.5)	10.18^AB (9.7–11.9)	10.70^AB (10.5–11.3)	13.80^AB (10.2–14.0)	9.81^AB (7.9–13.3)	9.94^AB (8.9–13.3)	8.57^AB (7.9–8.69)	4.99^B (3.19–10.0)	9.52^AB (7.81–11.2)	10.95^AB (5.5–11.4)	13.43^A (13.2–13.8)
After obturation	P	14.42^A (11.7–17.2)	14.03^AB (8.2–18.1)	13.85^AB (10.5–17.2)	12.56^A (10.8–14.4)	14.48^A (12.2–15.6)	14.05^AB (9.3–16.0)	13.74^AB (11–16.4)	14.07^AB (10.7–16.5)	10.71^C (8–15)	11.75^BC (9.-15.1)	12.76^AB (9–17.1)
Before obturation	Si	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)
After obturation	Si	0.0^A (0.0–0.0)	0.0^A (0.0–1.6)	0.0^A (0.0–0.21)	0.0^A (0.0–0.3)	0.0^A (0.0–0.3)	0.0^A (0.0–0.44)	0.0^A (0.0–0.09)	0.0^A (0.0–0.24)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)	0.0^A (0.0–0.0)
Before obturation	Cl	1.05^AB (0.97–2.35)	0.71^AB (0.26–0.79)	0.16^AB (0.11–0.79)	3.15^A (1.58–6.22)	1.08^AB (0.52–1.45)	0.20 ^AB (0.11–0.35)	1.02^AB (0.93–1.14)	1.06^AB (0.27–3.15)	0.0^B (0.0–0.0)	0.30^AB (0.05–1.43)	0.0^B (0.0–0.0)
After obturation	Cl	0.15^BCD (0.0–1.00)	0.25^ABC (0.13–0.58)	0.24^ABCD (0.0–1.47)	0.20^BCD (0.0–0.93)	0.16^BCD (0.04–0.75)	0.45^A (0.30–4.01)	0.28^AB (0.14–1.38)	0.28^ABCD (0.12–0.92)	0.0^CD (0.0–1.52)	0.15^BCD (0.0–0.51)	0.0^D (0.0–0.44)

Different capital letters in rows indicate statistically significant intragroup differences (Kruskal–Wallis with a Dunn post hoc P value < 0.05).

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