Evaluation of shear bond strength and shear stress on zirconia reinforced lithium silicate and high translucency zirconia.
Abstract
This study evaluated the shear stress distribution on the adhesive interface and the bond strength between resin cement and two ceramics. For finite element analysis (FEA), a tridimensional model was made using computer-aided design software. This model consisted of a ceramic slice (10x10x2mm) partially embedded on acrylic resin with a resin cement cylinder (Ø=3.4 mm and h=3mm) cemented on the external surface. Results of maximum principal stress and maximum principal shear were obtained to evaluate the stress generated on the ceramic and the cylinder surfaces. In order to reproduce the in vitro test, similar samples to the computational model were manufactured according to ceramic material (Zirconia reinforced lithium silicate - ZLS and high translucency Zirconia - YZHT), (N=48, n=12). Half of the specimens were submitted to shear bond test after 24h using a universal testing machine (0.5 mm/min, 50kgf) until fracture. The other half was stored (a) (180 days, water, 37ºC) prior to the test. Bond strength was calculated in MPa and submitted to analysis of variance. The results showed that ceramic material influenced bond strength mean values (p=0.002), while aging did not: YZHT (19.80±6.44)a, YZHTa (17.95±7.21)a, ZLS (11.88±5.40)b, ZLSa (11.76±3.32)b. FEA results showed tensile and shear stress on ceramic and cylinder surfaces with more intensity on their periphery. Although the stress distribution was similar for both conditions, YZHT showed higher bond strength values; however, both materials seemed to promote durable bond strength.References
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28. Sorensen JA, Engelman MJ, Torres TJ, Avera SP. Shear bond strength of composite resin to porcelain. Int J Prosthodont. 1991;4(1):17–23.
2. Anami LC, Pereira CA, Guerra E, Assunção e Souza RO, Jorge AO, Bottino MA. Morphology and bacterial colonisation of tooth/ceramic restoration interface after different cement excess removal techniques. J Dent. 2012;40(9):742–9.
3. Campos F, Valandro LF, Feitosa SA, Kleverlaan CJ, Feilzer AJ, de Jager N, Bottino MA. Adhesive Cementation Promotes Higher Fatigue Resistance to Zirconia Crowns. Oper Dent. 2017;42(2):215–24.
4. Silva LHD, Lima E, Miranda RBP, Favero SS, Lohbauer U, Cesar PF. Dental ceramics: a review of new materials and processing methods. Braz Oral Res. 2017;31(suppl 1):e58.
5. Dal Piva AMO, Contreras LPC, Ribeiro FC, Anami LC, Camargo SEA, Jorge AOC, Bottino MA. Monolithic ceramics: Effect of finishing techniques on surface properties, bacterial adhesion and cell viability. Oper Dent. 2017:[epub ahead of print]
6. Nordahl N, Vult von Steyern P, Larsson C. Fracture strength of ceramic monolithic crown systems of different thickness. J Oral Sci. 2015;57(3):255–61.
7. Denry I, Kelly JR. Emerging ceramic-based materials for dentistry. J Dent Res. 2014;93(12):1235–42.
8. Elsaka SE, Elnaghy AM. Mechanical properties of zirconia reinforced lithium silicate glass-ceramic. Dent Mater. 2016;32(7):908–14.
9. Scherrer SS, Cesar PF, Swain MV. Direct comparison of the bond strength results of the different test methods: a critical literature review. Dent Mater. 2010;26(2):e78–93.
10. Pereira Lde L, Campos F, Dal Piva AM, Gondim LD, Souza RO, Özcan M. Can application of universal primers alone be a substitute for airborne-particle abrasion to improve adhesion of resin cement to zirconia? J Adhes Dent. 2015;17(2):169–74.
11. Sousa RS, Campos F, Sarmento HR, Alves ML, Dal Piva AM, Gondim LD, Souza RO. Surface roughness and bond strength between Y-TZP and self-adhesive resin cement after air particle abrasion protocols. Gen Dent. 2016;64(5):50–5.
12. Burke FJ, Hussain A, Nolan L, Fleming GJ. Methods used in dentine bonding tests: an analysis of 102 investigations on bond strength. Eur J Prosthodont Restor Dent. 2008;16(4):158–65.
13. Braga RR, Ballester RY, Carrilho MR. Pilot study on the early shear strength of porcelain-dentin bonding using dual-cure cements. J Prosthet Dent. 1999;81(3):285–9.
14. Dal Piva AMO, Tribst JPM, Souza ROAE, Borges ALS. Influence of Alveolar Bone Loss and Cement Layer Thickness on the Biomechanical Behavior of Endodontically Treated Maxillary Incisors: A 3-dimensional Finite Element Analysis. J Endod. 2017;43(5):791–5.
15. Eskitaşcioğlu G, Belli S, Kalkan M. Evaluation of two post core systems using two different methods (fracture strength test and a finite elemental stress analysis) J Endod. 2002;28(9):629–33.
16. Ramos Nde C, Campos TM, Paz IS, Machado JP, Bottino MA, Cesar PF, Melo RM. Microstructure characterization and SCG of newly engineered dental ceramics. Dent Mater. 2016;32(7):870–8.
17. Faria R, Bottino MA. Zircônia monolítica de alta translucidez na reabilitação sobre implantes. PróteseNews. 2016;3(1):36–50.
18. Massotti TG, Barcellos DC, Petrucelli N, Tribst JPM, Gonçalves SVP. Analysis of flexural strength of composite resins polymerized by 2nd and 3rd generation leds. Braz Dent Sci. 2015;18(1):67–74.
19. DeHoff PH, Anusavice KJ, Wang Z. Three-dimensional finite element analysis of the shear bond test. Dent Mater. 1995;11(2):126–31.
20. Placido E, Meira JB, Lima RG, Muench A, de Souza RM, Ballester RY. Shear versus micro-shear bond strength test: a finite element stress analysis. Dent Mater. 2007;23(9):1086–92.
21. Braga RR, Meira JB, Boaro LC, Xavier TA. Adhesion to tooth structure: a critical review of “macro” test methods. Dent Mater. 2010;26(2):e38–49.
22. Tribst JPM, Dal Piva AMOD, Borges ALS. Biomechanical tools to study dental implants: A literature review. Braz Dent Sci. 2016;19(4):5–11.
23. Tribst JPM, de Morais DC, Alonso AA, Piva AMOD, Borges ALS. Comparative three-dimensional finite element analysis of implant-supported fixed complete arch mandibular prostheses in two materials. J Indian Prosthodont Soc. 2017;17(3):255–60.
24. Tribst JPM, Dal Piva AM, Rodrigues VA, Borges ALS, Nishioka RS. Stress and strain distributions on short implants with two different prosthetic connections – an in vitro and in silico analysis. Braz Dent Sci. 2017;20(3):101–9.
25. Valandro LF, Della Bona A, Antonio Bottino M, Neisser MP. The effect of ceramic surface treatment on bonding to densely sintered alumina ceramic. J Prosthet Dent. 2005;93(3):253–9.
26. Ozcan M, Vallittu PK. Effect of surface conditioning methods on the bond strength of luting cement to ceramics. Dent Mater. 2003;19(8):725–31.
27. Sadan A, Blatz MB, Soignet D. Influence of silanization on early bond strength to sandblasted densely sintered alumina. Quintessence Int. 2003;34(3):172–6.
28. Sorensen JA, Engelman MJ, Torres TJ, Avera SP. Shear bond strength of composite resin to porcelain. Int J Prosthodont. 1991;4(1):17–23.
Published
2018-01-17
How to Cite
DAL PIVA, Amanda Maria de Oliveira; TRIBST, João Paulo Mendes; BOTTINO, Marco Antonio.
Evaluation of shear bond strength and shear stress on zirconia reinforced lithium silicate and high translucency zirconia..
Journal of Oral Research, [S.l.], v. 7, n. 1, p. 30-36, jan. 2018.
ISSN 0719-2479.
Available at: <https://joralres.com/index.php/JOralRes/article/view/joralres.2018.007>. Date accessed: 26 apr. 2024.
doi: https://doi.org/10.17126/joralres.2018.007.
Issue
Section
Articles
Keywords
finite elements analysis; ceramics; indirect restoration; shear bond strength; Zirconia.
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