Effect of Dentin-Disinfection Chemicals on Shear Bond Strength and Microhardness of Resin-Infiltrated Human Dentin in Different Adhesive Protocols
Abstract
:1. Introduction
2. Materials and Methods
2.1. Teeth Sample Preparation
2.2. Surface Disinfectant Groups
2.3. Adhesive Procedures
2.4. Micro-Shear Bond Strength and Microhardness Testing
2.5. Statistical Analysis
3. Results
4. Discussion
5. Conclusions
- 1
- All the chemical disinfectants assessed in the study showed a varying amount of negative effects on both bond strength and microhardness of dentin.
- 2
- Total-etch adhesive protocol showed higher µSBS values in most of the groups compared to self-etch adhesives.
- 3
- The application of CHX resulted in an insignificant effect on the µSBS values and a marginal reduction in the microhardness of dentin.
- 4
- Although NaOCl surface treatment had a lesser impact on µSBS compared to EDTA and povidone iodine, it caused a substantial reduction in microhardness in both total-etch and self-etch adhesives.
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Disinfection Agent | Adhesive Protocol | |
---|---|---|
Total-Etch | Self-Etch | |
Control | 177.55 (6.27) | 144.08 (3.68) |
Chlorhexidine | 174.28 (7.28) | 137.73 (7.51) |
Sodium hypochlorite | 155.06 (9.95) | 130.10 (7.12) |
EDTA | 146.28 (6.05) | 114.91 (7.39) |
Povidone iodine | 124.05 (7.95) | 96.80 (8.36) |
Disinfection Agent | Adhesive Protocol | |
---|---|---|
Total-Etch | Self-Etch | |
Control | 69.24(3.10) | 71.47(3.43) |
Chlorhexidine | 59.18(1.00) | 63.31(1.94) |
Sodium hypochlorite | 50.14(0.58) | 39.18(1.23) |
EDTA | 31.11(1.04) | 47.59(1.15) |
Povidone iodine | 54.02(0.52) | 60.24(1.20) |
GROUP | Testing Parameter | SOURCE | df | SS | MS | F | p |
---|---|---|---|---|---|---|---|
TOTAL ETCH | Micro-Shear bond strength | Between the Groups | 4 | 19,133.64 | 4783.41 | 82.070 | 0.000 * |
Within Groups | 45 | 2622.802 | 58.284 | ||||
Total | 49 | 21,756.445 | |||||
Microhardness | Between the Groups | 4 | 7901.849 | 1975.462 | 799.800 | 0.000 * | |
Within Groups | 45 | 111.148 | 2.470 | ||||
Total | 49 | 8012.996 | |||||
SELF ETCH | Micro-Shear bond strength | Between the Groups | 4 | 14,486.829 | 3621.707 | 73.77 | 0.000 * |
Within Groups | 45 | 2209.256 | 49.06 | ||||
Total | 49 | 16,696.085 | |||||
Microhardness | Between the Groups | 4 | 6638.552 | 1659.638 | 418.373 | 0.000 * | |
Within Groups | 45 | 178.510 | 3.967 | ||||
Total | 49 | 6817.062 |
GROUP | Testing Parameter | (I) Group | (J) Group | ||||
---|---|---|---|---|---|---|---|
Control | CHX | NaOCl | EDTA | IOD | |||
TOTAL ETCH | Micro-Shear bond strength | Control | 0.873 | 0.000 * | 0.000 * | 0.000 * | |
CHX | 0.873 | 0.000 * | 0.000 * | 0.000 * | |||
NaOCl | 0.000 * | 0.000 * | 0.093 | 0.000 * | |||
EDTA | 0.000 * | 0.000 * | 0.093 | 0.000 * | 0.000 * | ||
IOD | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
Microhardness | Control | 0.000 * | 0.000 * | 0.000 * | 0.000 * | ||
CHX | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
NaOCl | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
EDTA | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
IOD | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
SELF ETCH | Micro-Shear bond strength | Control | 0.270 | 0.000 * | 0.000 * | 0.000 * | |
CHX | 0.270 | 0.124 | 0.000 * | 0.000 * | |||
NaOCl | 0.000 * | 0.124 | 0.000 * | 0.000 * | |||
EDTA | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
IOD | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
Microhardness | Control | 0.000 * | 0.000 * | 0.000 * | 0.000 * | ||
CHX | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
NaOCl | 0.000 * | 0.000 * | 0.000 * | 0.010 * | |||
EDTA | 0.000 * | 0.000 * | 0.000 * | 0.000 * | |||
IOD | 0.000 * | 0.000 * | 0.010 * | 0.000 * |
Group | Total-Etch | One-Step Self-Etch | ||||
---|---|---|---|---|---|---|
Adhesive | Cohesive | Mixed | Adhesive | Cohesive | Mixed | |
Control | 0 | 6 | 4 | 0 | 5 | 5 |
Chlorhexidine | 0 | 6 | 4 | 1 | 4 | 5 |
Sod hypochlorite | 1 | 3 | 6 | 1 | 4 | 5 |
EDTA | 2 | 2 | 6 | 3 | 1 | 6 |
Povidone iodine | 4 | 1 | 5 | 5 | 1 | 4 |
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Haralur, S.B.; Alqahtani, M.M.; Alqahtani, R.A.; Shabab, R.M.; Hummadi, K.A. Effect of Dentin-Disinfection Chemicals on Shear Bond Strength and Microhardness of Resin-Infiltrated Human Dentin in Different Adhesive Protocols. Medicina 2022, 58, 1244. https://doi.org/10.3390/medicina58091244
Haralur SB, Alqahtani MM, Alqahtani RA, Shabab RM, Hummadi KA. Effect of Dentin-Disinfection Chemicals on Shear Bond Strength and Microhardness of Resin-Infiltrated Human Dentin in Different Adhesive Protocols. Medicina. 2022; 58(9):1244. https://doi.org/10.3390/medicina58091244
Chicago/Turabian StyleHaralur, Satheesh B., Mohammed Mudawi Alqahtani, Roaa Ali Alqahtani, Rayan Mohammed Shabab, and Khalid Ali Hummadi. 2022. "Effect of Dentin-Disinfection Chemicals on Shear Bond Strength and Microhardness of Resin-Infiltrated Human Dentin in Different Adhesive Protocols" Medicina 58, no. 9: 1244. https://doi.org/10.3390/medicina58091244