10 February 2025 : Laboratory Research
Comparison of Color Stability Between Single-Shade and Conventional Composite Resins Following Immersion in Staining Solutions of Coffee, Cola, and Distilled Water
Abdullah Alshehri ABCDE 1*, Sultan Binalrimal BEFG 2, Luluh Alrumi ABCDEFG 3, Yara Y. Alhabeeb ABCDEFG 3, Lames Esam Murshid ABCDEFG 3, Feras Alhalabi
BDF 1, Abdullah Ali Alqahtani BDF 1, Mohammed Mustafa BDEF 1
DOI: 10.12659/MSM.946784
Med Sci Monit 2025; 31:e946784
Table 5 Comparison between subgroups (distilled water vs cola vs coffee) in group B.
| Group B | Distilled water (No=10) | Cola (No=10) | Coffee (No=10) | Test of sig (p) |
|---|---|---|---|---|
| Baseline color (T0) | ||||
| L0 | 53.61 (52.27–54.9) | 54.14 (52.12–55.06) | 53.84 (52.44–54.33) | (H=1.5, p=0.46) |
| a0 | −.98 (−1.13--.45) | −.93 (−1.10--.70) | −.9 (−1.04--.29) | (H=.45, p=0.79) |
| b0 | 6 (5.61–7.63) | 6.23 (5.30–7.64) | 6.06 (5.5–7.41) | (H=.17, p=0.91) |
| After 1 week (T1) | ||||
| L1 | 54.89 (53.52–55.96) | 53.97 (52.36–54.60) | 51.47 (48.71–52.38) | (H=20.9, p=0.0001*) |
| a1 | −.55 (−.68--.24) | −.44 (−.54--.19) | .19 (−.21–.59) | (H=21.2, p=0.0001*) |
| b1 | 5.03 (4.31–6.05) | 6.12 (4.71–7.04) | 9.77 (8.77–12.37) | (H=21.8, p=0.0001*) |
| After 1 month (T2) | ||||
| L2 | 56.31 (54.97–57.27) | 56.29 (54.11–57.52) | 50.83 (49.86–52.66) | (H=19.46, p=0.0001*) |
| a2 | −.61 (−.73--.28) | −.645 (−.79--.41) | .66 (.34–1.46) | (H=19.37, p=0.0001*) |
| b2 | 5.28 (4.75–6.36) | 6.06 (4.92–6.87) | 12.795 (11.55–16.17) | (H=20.9, p=0.0001*) |
| After polishing (T3) | ||||
| L3 | 56.74 (55.21–58.09) | 56.49 (54.87–57.84) | 53.29 (51.04–55.09) | (H=19.2, p=0.0001*) |
| a3 | −.795 (−1.10--.44) | −.87 (−1.08--.59) | .19 (−.23–.86) | (H=19.5, p=0.0001*) |
| b3 | 5.46 (4.60–6.65) | 5.29 (4.55–6.32) | 10.87 (7.6–12.60) | (H=19.4, p=0.0001*) |
| Color change after 1 week (T1) | ||||
| L1-L0 | .95 (.1–2.2) | −.25 (−.9–.6) | −2.45 (−3.7--1.7) | (H=23.8, p=0.0001*) |
| a1-a0 | .35 (.1–.5) | .5 (.4–.6) | 1 (.8–1.4) | (H=22.6, p=0.0001*) |
| b1-b0 | −1.3 (−1.6--.1) | −.7 (−1.5–.7) | 3.9 (2.9–5.2) | (H=21.5, p=0.0001*) |
| ΔE1 | 1.66 (.29–2.59) | 1 (.68–1.63) | 4.73 (3.65–6.50) | (H=22.3, p=0.0001*) |
| Color change after 1 month (T2) | ||||
| L2-L0 | 2.7 (1.4–3.30) | 2 (1.4–3) | −2.65 (−3.60--1.20) | (H=20.9, p=0.0001*) |
| a2-a0 | .4 (−.20–.50) | .3 (.20–.40) | 1.5 (1.3–2.3) | (H=20.1, p=0.0001*) |
| b2-b0 | −.9 (−1.5--.30) | −.55 (−1.2–.7) | 7 (5.7–8.9) | (H=20.9, p=0.0001*) |
| ΔE2 | 2.84 (1.64–3.57) | 2.11 (1.45–3.22) | 7.69 (6–9.75) | (H=21.4, p=0.0001*) |
| Color change after polishing (T3) | ||||
| L3-L0 | 3.35 (1.6–4.50) | 2.3 (1.7–4.4) | −.5 (−1.6–2) | (H=18.3, p=0.0001*) |
| a3-a0 | .1 (−.1–.4) | .1 (−.10–.20) | 1 (.8–1.4) | (H=19.9, p=0.0001*) |
| b3-b0 | −.95 (−1.2--.1) | −1 (−1.50--.30) | 4.95 (1.8–6.2) | (H=19.6, p=0.0001*) |
| ΔE3 | 3.39 (1.72–4.68) | 2.58 (1.78–4.45) | 5.09 (2.78–6.44) | (H=13.2, p=0.01*) |