. 2021 Jun 21;26(1):375–383. doi: 10.1007/s00784-021-04009-0

Table 3.

Median color change (∆E) with interquartile range (IQR) from 24 h (T1) to 24 months post-treatment (T6) on the apical plug (M1), gutta-percha/sealer (M2), and tooth crown/resin composite surfaces (M3) of all groups

	Root	Crown
G01-PRMTA	7.0 (4.8–10.8)	6.8 (4.3–8.3)	4.1 (3.2–5.5)
G02-PRMTA-B	11.1 (6.9–12.5)	5.5 (4.7–9.1)	4.7 (3.4–5.2)
G03-MMTA	10.7 (7.1–12.5)	4.9 (3.5–7.4)	4.5 (3.5–6.9)
G04-MMTA-B	10.1 (8.6–11.9)	6.2 (4.9–7.6)	3.8 (3.2–5.4)
G05-TF	9.1 (7.8–12.8)	9.0 (6.2–9.9)	3.3 (2.8–5.5)
G06-TF-B	7.3 (5.9–8.5)	5.7 (4.5–6.5)	4.4 (3.3–5.8)
G07-MPC-Bi	7.7 (5.7–11.9)	7.1 (5.0–8.1)	4.4 (3.8–6.9)
G08-MPC-Bi-B	10.2 (8.3–14.6)	5.8 (3.8–7.6)	4.3 (3.1–5.8)
G09-MPC-Bi-Retro-B	6.5 (4.9–9.8)	7.9 (6.4–10.3)	3.1 (2.4–4.3)
G10-MPC-Bi-Adh-B	8.4 (6.7–9.8)	6.7 (3.8–7.3)	6.9 (4.6–7.9)
All groups pooled	9.1 (6.2–11.4)	6.5 (4.5–8.4)	4.3 (3.1–5.6)

Root

Crown

Group

Median ∆E (IQR)
M 1

Median ∆E (IQR)
M 2

Median ∆E (IQR)
M 3

G01-PRMTA

7.0

(4.8–10.8)

6.8

(4.3–8.3)

4.1

(3.2–5.5)

G02-PRMTA-B

11.1

(6.9–12.5)

5.5

(4.7–9.1)

4.7

(3.4–5.2)

G03-MMTA

10.7

(7.1–12.5)

4.9

(3.5–7.4)

4.5

(3.5–6.9)

G04-MMTA-B

10.1

(8.6–11.9)

6.2

(4.9–7.6)

3.8

(3.2–5.4)

G05-TF

9.1

(7.8–12.8)

9.0

(6.2–9.9)

3.3

(2.8–5.5)

G06-TF-B

7.3

(5.9–8.5)

5.7

(4.5–6.5)

4.4

(3.3–5.8)

G07-MPC-Bi

7.7

(5.7–11.9)

7.1

(5.0–8.1)

4.4

(3.8–6.9)

G08-MPC-Bi-B

10.2

(8.3–14.6)

5.8

(3.8–7.6)

4.3

(3.1–5.8)

G09-MPC-Bi-Retro-B

6.5

(4.9–9.8)

7.9

(6.4–10.3)

3.1

(2.4–4.3)

G10-MPC-Bi-Adh-B

8.4

(6.7–9.8)

6.7

(3.8–7.3)

6.9

(4.6–7.9)

All groups pooled

9.1

(6.2–11.4)

6.5

(4.5–8.4)

4.3

(3.1–5.6)