MSA  Vol.9 No.4 , April 2018
Artificial Enamel Wear after Prolonged Chewing Simulation against Monolithic Y-TZP Crowns
Abstract: The aim of this study was to evaluate the effect of chewing simulation on wear of artificial enamel abraded against zirconia-based crowns. Fifteen crown preparations were scanned for the manufacturing of crowns using computer-aided-design/computer-aided-machining technique (CAD/CAM), according to the following (n = 5): Polished (PM) and glazed (GM) monolithic zirconia (1.5 mm uniform thickness), and Bilayer (BL - 0.8 mm zirconia coping, 0.7 mm porcelain veneer) crowns. The samples were cemented and chewing simulation (2.5 million cycles/0-80N/artificial saliva/37°C) was performed with steatite indenters (6 mm diameter) as antagonists. Assuming the uniformity of the unaged samples, antagonists were scanned using a surface profilometer and the material loss volume was calculated. Roughness of the crowns’ occlusal surface was also analyzed using the profilometer. Scanning electron microscopy was used to characterize the abraded surface. One-way ANOVA and Tukey test (p = 0.05) were employed for analysis of wear results. A significant difference was observed among the groups (p < 0.001). Artificial enamel abraded against porcelain (BL) had significantly higher material loss (0.217 mm3 ± 0.015) than those abraded against monolithic zirconia, polished (PM - 0.167 mm3 ± 0.02) and glazed (0.101 mm3 ± 0.03), which were similar to each other. Veneering porcelain results in more pronounced wear of the artificial enamel than monolithic zirconia. However, mastication against monolithic Y-TZP also imposes wear to the opposing teeth.
Cite this paper: Vedana, D. , Vedana, L. , Martins, E. , Brodersen, P. and De Souza, G. (2018) Artificial Enamel Wear after Prolonged Chewing Simulation against Monolithic Y-TZP Crowns. Materials Sciences and Applications, 9, 381-392. doi: 10.4236/msa.2018.94026.

[1]   Kwon, T.K., Pak, H.S., Yang, J.H., Han, J.S., Lee, J.B., Kim, S.H. and Yeo, I.S. (2013) Comparative Fracture Strength Analysis of Lava and Digident CAD/CAM Zirconia Ceramic Crowns. Journal of Advanced Prosthodontics, 5, 92-97.

[2]   Zhang, F., Inokoshi, M., Batuk, M., Hadermann, J., Naert, I., Van Meerbeek, B. and Vleugels, J. (2016) Strength, Toughness and Aging Stability of Highly-Translucent Y-TZP Ceramics for Dental Restorations. Dental Materials, 32, 327-337.

[3]   Flinn, B.D., deGroot, D.A., Mancl, L.A. and Raigrodski, A.J. (2012) Accelerated Aging Characteristics of Three Yttria-Stabilized Tetragonal Zirconia Polycrystalline Dental Materials. Journal of Prosthetic Dentistry, 108, 223-230.

[4]   Miyazaki, T., Nakamura, T., Matsumura, H., Ban, S. and Kobayashi, T. (2013) Current Status of Zirconia Restoration. Journal of Prosthodontic Research, 57, 236-261.

[5]   Lin, W.S., Ercoli, C., Feng, C. and Morton, D. (2012) The Effect of Core Material, Veneering Porcelain, and Fabrication Technique on the Biaxial Flexural Strength and Weibull Analysis of Selected Dental Ceramics. Journal of Prosthodontics, 21, 353-362.

[6]   Sorrentino, R., De Simone, G., Tetè, S., Russo, S. and Zarone, F. (2012) Five-Year Prospective Clinical Study of Posterior Three-Unit Zirconia-Based Fixed Dental Prostheses. Clinical Oral Investigations, 16, 977-985.

[7]   Vigolo, P. and Mutinelli, S. (2012) Evaluation of Zirconium-Oxide-Based Ceramic Single-Unit Posterior Fixed Dental Prostheses (FDPs) Generated with Two CAD/CAM Systems Compared to Porcelain-Fused-To-Metal Single-Unit Posterior FDPs: A 5-Year Clinical Prospective study. Journal of Prosthodontics, 21, 265-269.

[8]   Stawarczyk, B., Ozcan, M., Roos, M., Trottmann, A., Sailer, I. and Hammerle, C.H. (2011) Load-Bearing Capacity and Failure Types of Anterior Zirconia Crowns Veneered with Overpressing and Layering Techniques. Dental Materials, 27, 1045-1053.

[9]   Zhang, Y., Lee, J.J., Srikanth, R. and Lawn, B.R. (2013) Edge Chipping and Flexural Resistance of Monolithic Ceramics. Dental Materials, 29, 1201-1208.

[10]   Lameira, D.P., Buarque e Silva, W.A., Andrade e Silva, F. and De Souza, G.M. (2015) Fracture Strength of Aged Monolithic and Bilayer Zirconia-Based Crowns. BioMed Research International, 2015, 418641.

[11]   Chevalier, J., Loh, J., Gremillard, L., Meille, S. and Adolfson, E. (2011) Low-Temperature Degradation in Zirconia with a Porous Surface. Acta Biomaterialia, 7, 2986-2993.

[12]   Burgess, J.O., Janyavula, S., Lawson, N.C., Lucas, T.J. and Cakir, D. (2014) Enamel Wear Opposing Polished and Aged Zirconia. Operative Dentistry, 39, 189-194.

[13]   Preis, V., Behr, M., Kolbeck, C., Hahnel, S., Handel, G. and Rosentritt, M. (2011) Wear Performance of Substructure Ceramics and Veneering Porcelains. Dental Materials, 27, 796-804.

[14]   Ablal, M.A., Kaur, J.S., Cooper, L., Jarad, F.D., Milosevic, A., Higham, S.M. and Preston, A.J. (2009) The Erosive Potential of Some Alcopops Using Bovine Enamel: an In Vitro Study. Journal of Dentistry, 37, 835-839.

[15]   Janyavula, S., Lawson, N., Cakir, D., Beck, P., Ramp, L.C. and Burgess, J.O. (2013) The Wear of Polished and Glazed Zirconia against Enamel. Journal of Prosthetic Dentistry, 109, 22-29.

[16]   Teixeira, E.C., Piascik, J.R., Stoner, B.R. and Thompson, J.Y. (2007) Dynamic Fatigue and Strength Characterization of Three Ceramic Materials. Journal of Materials Science: Materials in Medicine, 18, 1219-1224.

[17]   Jung, Y.S., Lee, J.W., Choi, Y.J., Ahn, J.S., Shin, S.W. and Huh, J.B. (2010) A Study on the In-Vitro Wear of the Natural Tooth Structure by Opposing Zirconia or Dental Porcelain. Journal of Advanced Prosthodontics, 2, 111-115.

[18]   Kim, M.J., Oh, S.H., Kim, J.H., Ju, S.W., Seo, D.G., Jun, S.H., Ahn, J.S. and Ryu, J.J. (2012) Wear Evaluation of the Human Enamel Opposing Different Y-TZP Dental Ceramics and Other Porcelains. Journal of Dentistry, 40, 979-988.

[19]   Kontos, L., Schille, C., Schweizer, E. and Geis-Gerstorfer, J. (2013) Influence of Surface Treatment on the Wear of Solid Zirconia. Acta Odontologica Scandinavica, 71, 482-487.

[20]   Luangruangrong, P., Cook, N.B., Sabrah, A.H., Hara, A.T. and Bottino, M.C. (2014) Influence of Full-Contour Zirconia Surface Roughness on Wear of Glass-Ceramics. Journal of Prosthodontics, 23, 198-205.

[21]   Preis, V., Behr, M., Hahnel, S., Handel, G. and Rosentritt, M. (2012) In Vitro Failure and Fracture Resistance of Veneered and Full-Contour Zirconia Restorations. Journal of Dentistry, 40, 921-928.

[22]   Preis, V., Behr, M., Handel, G., Schneider-Feyrer, S., Hahnel, S. and Rosentritt, M. (2012) Wear Performance of Dental Ceramics after Grinding and Polishing Treatments. Journal of the Mechanical Behavior of Biomedical Materials, 10, 13-22.

[23]   Stawarczyk, B., Ozcan, M., Schmutz, F., Trottmann, A., Roos, M. and Hammerle, C.H. (2013) Two-Body Wear of Monolithic, Veneered and Glazed Zirconia and Their Corresponding Enamel Antagonists. Acta Odontologica Scandinavica, 71, 102-112.

[24]   Egilmez, F., Ergun, G., Cekic-Nagas, I., Vallittu, P.K. and Lassila, L.V. (2014) Factors Affecting the Mechanical Behavior of Y-TZP. Journal of the Mechanical Behavior of Biomedical Materials, 37, 78-87.

[25]   Kelly, J.R. and Benetti, P. (2011) Ceramic Materials in Dentistry: Historical Evolution and Current Practice. Australian Dental Journal, 56, 84-96.

[26]   Choi, J.W., Bae, I.H., Noh, T.H., Ju, S.W., Lee, T.K., Ahn, J.S., Jeong, T.S. and Huh, J.B. (2016) Wear of Primary Teeth Caused by Opposed All-Ceramic or Stainless Steel Crowns. Journal of Advanced Prosthodontics, 8, 43-52.

[27]   Garcia Fonseca, R., de Oliveira Abi-Rached, F., dos Santos Nunes Reis, J.M., Rambaldi, E. and Baldissara, P. (2013) Effect of Particle Size on the Flexural Strength and Phase Transformation of an Airborne-Particle Abraded Yttria-Stabilized Tetragonal Zirconia Polycrystal Ceramic. Journal of Prosthetic Dentistry, 110, 510-514.

[28]   Dahl, B.L. and Oilo, G. (1994) In Vivo Wear Ranking of Some Restorative Materials. Quintessence International, 25, 561-565.

[29]   Seghi, R.R., Rosenstiel, S.F. and Bauer, P. (1991) Abrasion of Human Enamel by Different Dental Ceramics in Vitro. Journal of Dental Research, 70, 221-225.

[30]   Ghazal, M. and Kern, M. (2009) The Influence of Antagonistic Surface Roughness on the Wear of Human Enamel and Nanofilled Composite Resin Artificial Teeth. Journal of Prosthetic Dentistry, 101, 342-349.