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 4 Comparison between subgroups (distilled water vs cola vs coffee) in group A.
| Group A | Distilled water (No=10) | Cola (No=10) | Coffee (No=10) | Test of sig (p) |
|---|---|---|---|---|
| Baseline color (T0) | ||||
| L0 | 56.63 (52.59–57.81) | 56.63 (54.30–57.89) | 55.94 (53.88–56.94) | (H=3.5, p=0.17) |
| a0 | −3.16 (−3.42--1.06) | −3.27 (−3.41--2.09) | −2.91 (−3.46--2.37) | (H=.59, p=0.74) |
| b0 | 4.19 (3.66–4.79) | 4.31 (3.92–4.62) | 4.06 (3.30–4.72) | (H=.91, p=0.63) |
| After 1 week (T1) | ||||
| L1 | 55.395 (53.18–56.85) | 55.825 (53.96–56.50) | 52.18 (49.47–54.15) | (H=18.5, p=0.0001*) |
| a1 | −3.2 (−3.51--1.24) | −3.17 (−3.43--2.24) | −2.32 (−3.02--1.35) | (H=9.2, p=0.01*) |
| b1 | 3.06 (2.87–3.89) | 3.58 (3.14–3.9) | 6.43 (5.48–10.76) | (H=23.2, p=0.0001*) |
| After 1 month (T2) | ||||
| L2 | 56.22 (53.42–56.91) | 56.27 (53.89–56.86) | 51.11 (48.6–53.40) | (H=19.4, p=0.0001*) |
| a2 | −3.23 (−3.53--1.36) | −3.23 (−3.38--2.20) | −1.82 (−2.94--.77) | (H=13.2, p=0.001*) |
| b2 | 3.135 (2.93–3.95) | 3.51 (3.25–3.97) | 8.42 (6.90–12.24) | (H=23.1, p=0.0001*) |
| After polishing (T3) | ||||
| L3 | 54.83 (51.98–55.71) | 54 (52.08–55.16) | 51.56 (48.36–52.95) | (H=18.1, p=0.0001*) |
| a3 | −3.24 (−4.09--1.16) | −3.055 (−3.44--2.15) | −2.22 (−3.22--1.30) | (H=7.2, p=0.028*) |
| b3 | 2.57 (1.39–3.81) | 3.18 (2.51–3.97) | 5.76 (3.59–9.20) | (H=20.9, p=0.0001*) |
| Color change after 1 week (T1) | ||||
| L1-L0 | −1 (−2.2 −.60) | −.8 (−2.10–0) | −3.35 (−5.7--2.4) | (H=19.45, p=0.0001*) |
| a1-a0 | −.1 (−.6 −.1) | 0 (−.20 −.20) | .55 (.30–1.20) | (H=22, p=0.0001*) |
| b1-b0 | −1 (−1.70--.70) | −.7 (−1.20 --.30) | 2.7 (1.1–6) | (H=22.1, p=0.0001*) |
| ΔE1 | 1.49 (1.01–2.43) | 1.095 (.64–2.45) | 4.41 (2.82–8.40) | (H=20.7, p=0.0001*) |
| Color change after 1 month (T2) | ||||
| L2-L0 | −.35 (−1–1.4) | −.45 (−2.6 −.30) | −4.55 (−6.7--3) | (H=19.97, p=0.0001*) |
| a2-a0 | −.1 (−.8 −.1) | 0 (−.30 −.20) | 1.15 (.5–1.9) | (H=21.97, p=0.0001*) |
| b2-b0 | −1.05 (−1.40--.70) | −.65 (−1.10--.30) | 4.65 (2.50–7.50) | (H=22.4, p=0.0001*) |
| ΔE2 | 1.27 (1.04–1.81) | .94 (.53–2.66) | 6.7 (4.32–10.03) | (H=21.5, p=0.0001*) |
| Color change after polishing (T3) | ||||
| L3-L0 | −1.75 (−2.50–0) | −2.45 (−3.40 --2) | −4.25 (−6.70--3.60) | (H=22.7, p=0.0001*) |
| a3-a0 | −.15 (−.90 −.10) | .05 (−.20 −.30) | .45 (.20–1.30) | (H=21.1, p=0.0001*) |
| b3-b0 | −1.55 (−2.9--.90) | −.95 (−1.80 --.50) | 1.9 (−.50–4.80) | (H=21.2, p=0.0001*) |
| ΔE3 | 2.76 (1.08–3.62) | 2.86 (2.08–3.9) | 4.76 (3.64–8.27) | (H=19.4, p=0.0001*) |