Comparative Spectrophotometric Assessment of Crown Discoloration from Diverse Endodontic Sealers

23 June 2025 : Clinical Research

Adel S. Alobaid^{ABCDEFG 1}, Shahrah S. Mkhreb^{ABCDEFG 1}, Ahmed Babiker Mohamed Ali^{ABCDEFG 2*}, Mohammed A. Alobaid

^{DEFG 3,4}, Surekha Anil Dubey^{DEFG 5}, Asim Elsir Elmahdi^{DEFG 6}, Saurabh Chaturvedi

^{ACDEFG 6}

DOI: 10.12659/MSM.947874

Med Sci Monit 2025; 31:e947874

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Table 3 Comparison of ΔL, Δa, Δb, ΔE changes.

	MTA		Ca(OH)2		ZnOE		Resin		Negative		ANOVA
	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Mean	SD	F value	P value
ΔL1	1.53	1.67	3.31	3.60	2.77	1.09	4.06	1.96	3.46	1.90	1.86	0.135
ΔL2	−0.71	2.07	1.25	2.31	−1.37	3.29	−2.30	2.97	−3.98	3.34	4.62	0.003
ΔL3	−2.24	2.11	−2.06	2.62	−4.14	3.71	−6.36	4.08	−7.43	3.74	5.21	0.002
ΔL4	−6.98	2.93	−4.68	3.69	−5.54	3.46	−1.69	2.69	−4.16	2.54	3.97	0.008
ΔL5	−6.27	2.60	−5.93	2.20	−4.17	2.23	0.61	1.87	−0.18	2.60	19.32	0.000
ΔL6	−8.52	3.10	−7.98	3.74	−8.31	3.86	−5.75	3.47	−7.62	2.15	1.11	0.363
Δa1	0.16	0.42	0.55	0.63	0.07	0.29	0.50	0.84	−0.20	0.44	3.13	0.024
Δa2	0.21	0.40	0.47	0.52	0.72	0.60	0.50	0.69	0.64	0.64	1.16	0.342
Δa3	0.04	0.31	−0.08	0.70	0.65	0.50	−0.01	0.46	0.84	0.55	6.63	0.000
Δa4	0.90	0.68	1.09	0.55	1.27	0.84	0.90	0.78	1.13	0.49	0.55	0.700
Δa5	0.69	0.37	0.62	0.41	0.55	0.53	0.40	0.52	0.49	0.46	0.58	0.679
Δa6	0.73	0.44	0.54	0.62	1.20	0.74	0.40	0.74	1.33	0.37	4.60	0.003
Δb1	−1.12	1.25	0.75	2.91	0.71	1.35	2.18	2.40	−0.04	1.71	3.54	0.014
Δb2	4.21	2.31	5.49	1.89	5.41	2.45	4.44	1.62	3.40	2.33	1.67	0.174
Δb3	5.32	1.63	4.74	2.26	4.70	2.23	2.26	2.53	3.44	2.58	2.94	0.030
Δb4	6.47	3.68	6.40	1.73	7.00	2.35	6.70	2.94	6.54	2.55	0.07	0.990
Δb5	2.27	1.62	0.92	2.05	1.59	1.10	2.26	2.58	3.14	2.25	1.75	0.155
Δb6	7.59	2.90	5.66	2.44	6.29	2.29	4.52	3.80	6.58	2.45	1.61	0.187
ΔE1	2.56	1.13	5.04	2.59	3.12	1.17	4.88	2.77	3.89	1.78	2.88	0.033
ΔE2	4.86	1.97	6.08	1.88	6.61	1.95	5.78	1.71	6.26	2.07	1.20	0.322
ΔE3	6.17	1.43	6.05	1.24	7.19	2.39	7.60	3.13	8.86	3.01	2.36	0.068
ΔE4	10.29	2.55	8.65	2.22	9.72	1.87	7.55	2.66	8.19	2.60	2.16	0.089
ΔE5	7.02	2.17	6.25	2.48	4.79	1.84	3.35	2.05	4.03	2.30	4.91	0.002
ΔE6	11.92	2.37	10.36	2.76	11.11	2.40	8.50	2.51	10.37	2.40	2.57	0.051

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