COMPARISON OF MICROHARDNESS OF ARTIFICIAL TEETH WITH DIFFERENT CONTENTS AFTER WAITING IN VARIOUS LIQUIDS
Abstract
Objectives: This study aimed to assess the long-term microhardness of different artificial teeth after waiting in liquids of various pH values.
Materials and Methods: Four different artificial teeth [conventional PMMA(Ivostar) as control group), double cross-linked PMMA(DCL), micro-filled composite resin(VivodentPE), nanohybrid composite resin(PhonaresiII)] were used for the study. After the samples fixed on acrylic blocks were immersed in distilled water at 37˚C for 24 hours, initial microhardness (T0) measurements were performed. Randomly selected samples from each group were immersed in liquids with different pH values (artificial saliva, kefir, orange juice, cola). Measurements repeated on the 7th day on the same samples were recorded as T1, and measurements repeated on the 14th day were recorded as T2. The data obtained were evaluated in the SPSS 22.0 program. Friedman and Kruskall Wallis tests were used to compare of the groups.
Results: While the highest initial microhardness averages were found in the Phonares II group, the lowest average belongs to the Ivostar group. Microhardness findings of all materials measured at different times were obtained in the order of T0>T1>T2. When the data of samples aged in different liquids are compared, significant differences are observed (p<0.05). When the microhardness measurements of a single material exposed in different solutions were compared, no difference was found between the solutions (p>0.05)
Conclusions: A decrease in microhardness of materials that are immersed in liquids with different pH values for a long time was observed, and the microhardness of the materials exposed to these solutions is adversely affected.
Project Number
Diş-275
References
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Abstract
Supporting Institution
sivas cumhuriyet üniversitesi
Project Number
Diş-275
References
- 1. Alfouzan AF, AlNouwaisar AN, AlAzzam NF, vd. Power brushing and chemical denture cleansers induced color changes of pre-polymerized CAD/CAM denture acrylic resins. Mater Res Express. 2021;8(8):85402.
- 2. Shetty MS, Shenoy KK. An in vitro analysis of wear resistance of commercially available acrylic denture teeth. J Indian Prosthodont Soc. 2010;10(3):149–153.
- 3. Suzuki S. In vitro wear of nano‐composite denture teeth. J Prosthodont Implant Esthet Reconstr Dent. 2004;13(4):238–243.
- 4. Loyaga-Rendon PG, Takahashi H, Hayakawa I, Iwasaki N. Compositional characteristics and hardness of acrylic and composite resin artificial teeth. J Prosthet Dent. 2007;98(2):141–149.
- 5. Patil SB, Naveen BH, Patil NP. Bonding acrylic teeth to acrylic resin denture bases: a review. Gerodontology. 2006;23(3):131–139.
- 6. Munshi N, Rosenblum M, Jiang S, Flinton R. In Vitro Wear Resistance of Nano‐Hybrid Composite Denture Teeth. J Prosthodont. 2017;26(3):224–229.
- 7. Ghazal M, Yang B, Ludwig K, Kern M. Two-body wear of resin and ceramic denture teeth in comparison to human enamel. Dent Mater. 2008;24(4):502–507.
- 8. Zeng J, Sato Y, Ohkubo C, Hosoi T. In vitro wear resistance of three types of composite resin denture teeth. J Prosthet Dent. 2005;94(5):453–457.
- 9. Campanha NH, Pavarina AC, Vergani CE, Machado AL. Effect of microwave sterilization and water storage on the Vickers hardness of acrylic resin denture teeth. J Prosthet Dent. 2005;93(5):483–487.
- 10. Bansal K, Acharya SR, Saraswathi V. Effect of alcoholic and non-alcoholic beverages on color stability and surface roughness of resin composites: An in vitro study. J Conserv Dent JCD. 2012;15(3):283.
- 11. Ghazal M, Albashaireh ZS, Kern M. Wear resistance of nanofilled composite resin and feldspathic ceramic artificial teeth. J Prosthet Dent. 2008;100(6):441–448.
- 12. Ghazal M, Hedderich J, Kern M. Wear of feldspathic ceramic, nano‐filled composite resin and acrylic resin artificial teeth when opposed to different antagonists. Eur J Oral Sci. 2008;116(6):585–592.
- 13. Tuna SH, Keyf F, Gumus HO, Uzun C. The evaluation of water sorption/solubility on various acrylic resins. Eur J Dent. 2008;2(03):191–197.
- 14. Ferracane JL. Hygroscopic and hydrolytic effects in dental polymer networks. Dent Mater. 2006. doi:10.1016/j.dental.2005.05.005
- 15. Henn-Donassollo S, Fabris C, Gagiolla M, vd. In situ and in vitro effects of two bleaching treatments on human enamel hardness. Braz Dent J. 2016;27:56–59.
- 16. Goiato MC, Dos Santos DM, Andreotti AM, vd. Effect of beverages and mouthwashes on the hardness of polymers used in intraoral prostheses. J Prosthodont. 2014;23(7):559–564.
- 17. Ten Cate JM. Physicochemical aspects of fluoride-enamel interactions. Fluoride Dent. 1996.
- 18. Bevenius J, L’Estrange P. Chairside evaluation of salivary parameters in patients with tooth surface loss: a pilot study. Aust Dent J. 1990;35(3):219–221.
- 19. Grippo JO, Simring M, Schreiner S. Attrition, abrasion, corrosion and abfraction revisited: a new perspective on tooth surface lesions. J Am Dent Assoc. 2004;135(8):1109–1118.
- 20. Han L, Okamoto A, Fukushima M, Okiji T. Evaluation of flowable resin composite surfaces eroded by acidic and alcoholic drinks. Dent Mater J. 2008;27(3):455–465.
- 21. Lussi A, Jaeggi T, Zero D. The role of diet in the aetiology of dental erosion. Caries Res. 2004;38(Suppl. 1):34–44.
- 22. Festuccia MSCC, Garcia L da FR, Cruvinel DR, Pires-De-Souza F de CP. Color stability, surface roughness and microhardness of composites submitted to mouthrinsing action. J Appl Oral Sci. 2012;20(2):200–205.
- 23. Von Fraunhofer JA, Rogers MM. Dissolution of dental enamel in soft drinks. Gen Dent. 2004.
- 24. Ersu B, HANNAK WB, Wolfgang B. FREESMEYER. The Comparison of Hardness of Total and Partial Prostheses Acrylic Resin Denture Teeth. J Hacettepe Fac Dent. 2007;31(4):58–64.
Details
| Primary Language | English |
|---|---|
| Subjects | Health Care Administration |
| Journal Section | Original Research Articles |
| Authors | |
| Project Number | Diş-275 |
| Publication Date | June 30, 2022 |
| Submission Date | January 20, 2022 |
| Published in Issue | Year 2022Volume: 25 Issue: 2 |
Cited By
Assessing the Current Landscape and Future Directions of Digital Denture Technology
European Journal of General Dentistry
https://doi.org/10.1055/s-0044-1791844
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