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 7 Comparison between subgroups (distilled water vs cola vs coffee) in group D.
| Group C | Distilled water (No=10) | Cola (No=10) | Coffee (No=10) | Test of sig (p) |
|---|---|---|---|---|
| Baseline color (T0) | ||||
| L0 | 59.11 (58.65–60.16) | 59.54 (59.06–60.12) | 59.26 (58.56–59.66) | (H=3.8, p=0.144) |
| a0 | −1.67 (−1.77--1.58) | −1.58 (−1.68--1.52) | −1.69 (−1.76--1.59) | (H=9.2, p=0.01*) |
| b0 | 6.9 (6.74–7.04) | 7 (6.55–7.26) | 6.95 (6.55–7.33) | (H=1.5, p=0.45) |
| After 1 week (T1) | ||||
| L1 | 59.72 (59.3–61.02) | 59.73 (59.12–60.67) | 55.43 (54.77–56.12) | (H=19.5, p=0.0001*) |
| a1 | −1.88 (−1.96--1.64) | −1.78 (−1.88--1.65) | −1.16 (−1.63--.85) | (H=20.9, p=0.0001*) |
| b1 | 6.32 (6.16–6.60) | 6.8 (6.36–7.22) | 12.3 (10.85–13.83) | (H=24.4, p=0.0001*) |
| After 1 month (T2) | ||||
| L2 | 59.95 (59.52–61.11) | 60.035 (59.49–60.75) | 53.44 (51.75–54.54) | (H=19.5, p=0.0001*) |
| a2 | −1.97 (−2.04--1.72) | −1.88 (−2.01--1.80) | −.605 (−.89--.02) | (H=20.3, p=0.0001*) |
| b2 | 6.31 (6.12–6.51) | 6.69 (6.45–7.14) | 14.06 (13.26–16.23) | (H=24.1, p=0.0001*) |
| After polishing (T3) | ||||
| L3 | 59.96 (59.34–60.47) | 59.92 (59.26–61.13) | 56.18 (53.36–56.90) | (H=19.4, p=0.0001*) |
| a3 | −2 (−2.2--1.71) | −1.91 (−3.91--1.70) | −1.435 (−1.62--1) | (H=19.4, p=0.0001*) |
| b3 | 5.91 (5.42–6.25) | 6 (3.71–6.60) | 9.78 (8.08–12.30) | (H=19.5, p=0.0001*) |
| Color change after 1 week (T1) | ||||
| L1-L0 | .55 (.30–60.4) | .25 (−.20–.60) | −3.8 (−4.6--2.80) | (H=22.9, p=0.0001*) |
| a1-a0 | −.2 (−1.60--.20) | −.2 (−.3–0) | .55 (.1–.80) | (H=22.4, p=0.0001*) |
| b1-b0 | −.5 (−.8–6.30) | −.1 (−.7–.2) | 5.45 (3.9–6.60) | (H=18.2, p=0.0001*) |
| ΔE1 | .88 (.58–60.79) | .34 (.21–.91) | 6.69 (4.82–8.07 | (H=21.7, p=0.0001*) |
| Color change after 1 month (T2) | ||||
| L2-L0 | .7 (.5–60.60) | .55 (.20–.70) | −5.7 (−7.30--4.60) | (H=23.1, p=0.0001*) |
| a2-a0 | −.3 (−1.70--.20) | −.3 (−.40--.20) | 1.05 (.90–1.60) | (H=20.5, p=0.0001*) |
| b2-b0 | −.6 (−.80–6.40) | −.25 (−.60–.10) | 7.3 (6.20–8.90) | (H=22.1, p=0.0001*) |
| ΔE2 | 1.02 (.70–60.96) | .64 (.36–.91) | 9.35 (7.81–11.58) | (H=21.7, p=0.0001*) |
| Color change after polishing (T3) | ||||
| L3-L0 | .7 (−.40–60.30) | .4 (0–1) | −3.45 (−5.20--2.20) | (H=19.9, p=0.0001*) |
| a3-a0 | −.45 (−1.70--.20) | −.25 (−2.30--.10) | .3 (0–.80) | (H=19.8, p=0.0001*) |
| b3-b0 | −.9 (−1.30–5.40) | −.8 (−3.30--.50) | 3 (.90–5.50) | (H=16.1, p=0.0001*) |
| ΔE3 | 1.27 (.90–60.56) | 1.1450 (.62–4.20) | 4.53 (2.72–7.65) | (H=14.1, p=0.001*) |