Effects of Various Disinfection Methods on the Material Properties of Silicone Dental Impressions of Different Types and Viscosities
Abstract
:1. Introduction
2. Results
2.1. Preliminary Comparison of Nondisinfected Materials
2.2. Linear Dimensional Change
2.3. Tensile Strength
2.4. Shore A Hardness
3. Discussion
4. Materials and Methods
4.1. Materials
4.2. Preparation of Specimens
4.3. Disinfection
4.4. Linear Dimensional Change Test
- L1 is the distance measured between lines d1 and d2 in the test block [mm]; and
- L2 is the distance measured between lines d1 and d2 in the impression material specimen [mm].
4.5. Tensile Strength Test
- Fm is the maximum force [N];
- t is the thickness of the test piece over the test length [mm]; and
- W is the width of the test piece over the test length [mm].
4.6. Hardness Test
4.7. Statistical Analysis
5. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Material | Linear Dimensional Change [%] | Tensile Strength [MPa] | Shore A Hardness |
---|---|---|---|
Zetaplus Putty | 0.4190 (0.2626) ab | 1.691 (0.1345) d | 58.08 (1.383) c |
Oranwash L | 0.6933 (0.1977) a | 1.159 (0.2901) e | 19.98 (0.7690) e |
Panasil Putty Soft | 0.1179 (0.1126) c | 3.196 (0.2547) b | 61.02 (2.025) b |
Panasil monophase Medium | 0.2039 (0.1236) bc | 3.607 (0.3273) a | 64.66 (1.201) a |
Panasil initial contact Light | 0.3368 (0.1487) ac | 2.337 (0.1231) c | 54.04 (0.6987) d |
Type of Material | Linear Dimensional Change [%] | Tensile Strength [MPa] | Shore A Hardness |
---|---|---|---|
C-silicones | 0.5561 (0.2664) | 1.425 (0.3506) | 39.03 (19.18) |
A-silicones | 0.2196 (0.1547) | 3.043 (0.5660) | 59.91 (4.640) |
Significance | p = 0.0082 | p < 0.0001 | p < 0.0001 |
Type of Viscosity of Material | Linear Dimensional Change [%] | Tensile Strength [MPa] | Shore A Hardness |
---|---|---|---|
Putty | 0.2684 (0.2501) b | 2.542 (0.7904) b | 59.55 (2.271) b |
Medium-bodied | 0.2039 (0.1236) b | 3.607 (0.3273) a | 64.66 (1.201) a |
Light-bodied | 0.5151 (0.2499) a | 1.748 (0.6420) c | 37.01 (17.13) c |
Type of Material | Viscosity | Name | Manufacturer | Mixing Technique | Intraoral Setting Time at 35 °C |
---|---|---|---|---|---|
C-silicone (condensation polysiloxane) | Putty | Zetaplus Putty | Zhermack (Badia Polesine, Italy) | Manual (hand mix) | 3 min 15 s |
Light-bodied | Oranwash L | Manual (with spatula) | 3 min 30 s | ||
A-silicone (vinyl polysiloxane) | Putty | Panasil Putty Soft | Kettenbach (Eschenburg, Germany) | Manual (hand mix) | 2 min |
Medium-bodied | Panasil monophase Medium | Dispensing gun with mixing tip | 2 min | ||
Light-bodied | Panasil initial contact Light | Dispensing gun with mixing tip | 2 min 30 s |
Method | Material or Equipment | Description |
---|---|---|
UVC | UV-C Blue (Activeshop, Wroclaw, Poland) | Irradiation for 40 min at 254 nm |
Ozone | Ozox Professional G168 (MediaSklep24, Bojszowy, Poland) | Putting in an 8-L box with 15 ppm ozone concentration, and ozonation for 10 min at an ozone flow rate of 800 mg/h |
Solution | Zeta 7 Solution (Zhermack, Badia Polesine, Italy); active ingredients: quaternary ammonium salts, phenoxyethanol | Immersion for 10 min in 100-time diluted solution and rinsing with distilled water |
Spray | Zeta 7 spray (Zhermack, Badia Polesine, Italy); active ingredients: alcohols | Spraying all surfaces of the specimen and allowing to dry |
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Wezgowiec, J.; Paradowska-Stolarz, A.; Malysa, A.; Orzeszek, S.; Seweryn, P.; Wieckiewicz, M. Effects of Various Disinfection Methods on the Material Properties of Silicone Dental Impressions of Different Types and Viscosities. Int. J. Mol. Sci. 2022, 23, 10859. https://doi.org/10.3390/ijms231810859
Wezgowiec J, Paradowska-Stolarz A, Malysa A, Orzeszek S, Seweryn P, Wieckiewicz M. Effects of Various Disinfection Methods on the Material Properties of Silicone Dental Impressions of Different Types and Viscosities. International Journal of Molecular Sciences. 2022; 23(18):10859. https://doi.org/10.3390/ijms231810859
Chicago/Turabian StyleWezgowiec, Joanna, Anna Paradowska-Stolarz, Andrzej Malysa, Sylwia Orzeszek, Piotr Seweryn, and Mieszko Wieckiewicz. 2022. "Effects of Various Disinfection Methods on the Material Properties of Silicone Dental Impressions of Different Types and Viscosities" International Journal of Molecular Sciences 23, no. 18: 10859. https://doi.org/10.3390/ijms231810859