Effects of Surface Treatments and Cement Type on Shear Bond Strength between Titanium Alloy and All-Ceramic Materials (original) (raw)
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The Micro-Shear bond strength of different cements to commercially pure titanium
Journal of Clinical and Experimental Dentistry, 2019
Background: The most appropriate luting agent for attaching the prefabricated Ti-based insert of hybrid abutments to its ceramic component has not yet been determined. This study was done aimed at examining the micro-shear bond strength (μSBS) of different cements to commercially pure titanium (Cp Ti). Material and methods: A total of 100 milled cubes of Cp Ti was airborne-particle abradedusing 250 μm aluminum oxide particles. Specimens were then divided into 5 groups (n=20) according to the type of resin cement used: (1) Panavia F.2, (2) Rely X U200, (3) Panavia SA LUTING Plus, (4) GC Fuji I, and (5) GC FujiCEM 2. After 24h storage, half of the samples were subjected to 5000 cycles of thermal aging. Next, the bonded samples were tested in the micro-shear mode. Data (MPa) were analyzed using a two-way ANOVA and the post hoc Tukey test (α=0.05). After debonding, each sample was examined for the failure mode classification. Results: The highest μSBS value in the study cements was obtained for Panavia F.2 cement (P<0.001) with no significant difference with Rely X U200 (P=0.07). The μSBS values of both GI-based cements were significantly lower than those of resin cements. Thermal aging decreased the μSBS values of all groups (p=0.003) significantly. The mainly occurred failure mode in all groups was the adhesive feature. Conclusions: Resin cements demonstrated acceptable bonding to Cp Ti, yet Gl-based cements did not. From among the cements examined, Panavia F.2 can be considered as thebest option for bonding to Ti.
Advances in Materials Science and Engineering, 2015
Objectives. The objectives of this study were to evaluate the shear bond strength of zirconia cylinders on a modified titanium surface using different luting cement types.Material and Methods. Eighty titanium disks were divided into two groups (n=40), which were treated with either grinding or a combination of sandblasting and grinding. Then, each group was subdivided into 4 groups (n=10) and the disks were bonded to disks of sintered zirconia using one of four cement types (permanent: composite cement; temporary: polycarboxylate cement, zinc-oxide-eugenol cement, and resin cement). Shear bond strength (SBS) was measured in a universal testing machine. Fracture pattern and site characteristic were recorded. A fractographic analysis was performed with SEM. The chemical analysis of the composition of the fractures was performed using energy-dispersive X-ray spectroscopy (EDS). The results of the experiment were analyzed with two-way analysis of variance and Tukey post hoc test.Results...
The Journal of Indian Prosthodontic Society, 2015
Titanium is known as the exotic "space age" metal because of its light weight and high performance in aeronautics. This wonder metal has many advantages as a prosthetic material such as excellent biocompatibility, high strength to weight ratio, low density, sufficient corrosion resistance, and low cost compared to noble alloys and therefore, has gained popularity in dentistry. [1-3] Today titanium and its alloys are used in dental implants, implant frameworks, crowns and bridges, resin bonded bridges, post and core, partial and complete denture frameworks. [4] Many of these restorations are luted with resin cements. The strength of the cement/metal bond is significantly affected by The purpose of this study was to evaluate and compare the effect of grit blasting, chemical treatment, and application of alloy primer combinations on the shear bond strength (SBS) of a self-cure resin cement to titanium surface. Materials and Methods: Fifty cast commercially pure titanium discs (9 mm × 2 mm) were divided into five groups (n = 10), which received the following surface treatments: Control group (no surface treatment), group 1 (grit blasting using 110 μm Al 2 O 3 particles and application of alloy primer), group 2 (grit blasting using 110 μm Al 2 O 3 particles and chemical treatment using 1N HCl), group 3 (chemical treatment using 1N HCl and application of alloy primer), and group 4 (Grit blasting using 110 μm Al 2 O 3 particles, chemical treatment using 1N HCl and application of alloy primer). Superbond C and B resin cement was applied to the treated titanium surfaces including controls. SBSs were determined after thermocycling for 5000 cycles. Data (megapascal) were analyzed by ANOVA and Bonferroni test. Results: Group 4 (grit blasting using 110 μm Al 2 O 3 particles, chemical treatment using 1N hydrochloric acid, and application of alloy primer) produced the highest bond strength followed by group 1, group 3, group 2, and the control group which showed the least bond strength. Conclusion: (1) Air-abrasion with alumina particles increases the micromechanical retention of the resin to titanium. (2) The alloy primer promotes wettability, which increases the adhesive bonding of resin cement to titanium. (3) Chemical treatment using hydrochloric acid effectively pretreats the titanium surface thereby increasing the SBS values.
Gulhane Medical Journal, 2022
Aims: This study determined the effect of three different surface treatment methods [sandblasting (SB), tribochemical silica coating (TSC), and ytterbium fiber laser (YFL) roughening] on surface roughness and titanium-ceramic shear bond strength using specimens obtained using casting (CST), milling (ML) and selective laser melting (SLM). Methods: In this in vitro study, we obtained 32 cylindrical titanium specimens for each fabrication method and subjected them to each surface treatment method. Nine experiments (n=11) were conducted. One specimen was randomly selected from each group for scanning electron microscope analysis. Surface roughness was examined using a profilometer device (n=10). Ceramic was applied to titanium specimens. A universal testing machine was used to determine shear bond strength in megapascal (MPa). Results: Surface roughness of CST/YFL (1.254±0.058 µm), SLM/SB (1.294±0.054 µm), and SLM/ YFL (1.208±0.057 µm) groups were significantly higher than other groups (CST/SB, CST/TSC, ML/SB, ML/TSC, ML/YFL, and SLM/TSC, p<0.01). Shear bond strengths of CST/YFL (20.28±6.97 MPa), SLM/SB (21.9±8.06 MPa), and SLM/YFL (29.92±5.67 MPa) were significantly lower than other groups (p<0.01). Shear bond strength of the ML/SB group (42.40±7.52 MPa) was highest but there were no significant differences between ML/SB and CST/SB (33.04±7.62, p=0.101), CST/TSC (35.38±4.15, p=0.426), ML/TSC (40.03±6.42, p=0.998), ML/YFL (39.43±9.24, p=0.991) and SLM/TSC (37.05±7.84, p=0.766). Conclusions: This study showed that the production and surface treatment method impact shear bond strength. Excessive roughness affects the bonding strength. The highest shear bond strength was identified in the ML group.
The International journal of prosthodontics, 2021
PURPOSE To evaluate the micro-shear bond strength (μSBS) of different bonding protocols to commercially pure titanium (CP Ti) using two universal adhesives and Alloy Primer. MATERIALS AND METHODS A total of 120 cubes of CP Ti were airborne-particle abraded and then divided into 6 groups (n = 20 each) according to bonding protocol: (1) Scotchbond Universal (SU; 3M ESPE), (2) Alloy Primer (AP; Kuraray) + SU; (3) G-Premio Bond (GP; GC); or (4) AP + GP. The specimens from groups 1 to 4 were cemented with RelyX Unicem (3M ESPE), while those from groups 5 and 6 were cemented using Panavia F2.0 cement (PAN; Kuraray) without and with prior AP application, respectively. After 24 hours, half the specimens were subjected to μSBS measurement and the other half to thermocycling (5,000 cycles) before testing. Data were analyzed using Shapiro-Wilk, two-way analysis of variance, Games-Howell, and independent sample t test (α = .05). RESULTS The μSBS values obtained from the AP + SU group were signi...
Surface treatment on the shear bond strength of dental ceramics to titanium commercially pure
European Journal of General Dentistry, 2017
Background: The aim of this study was to evaluate ceramic/titanium shear bond strength and microstructure of two commercially dental ceramics. Materials and Methods: Ceramic/titanium bond strength (6.0 mm × 2.0 mm) was measured using a universal testing machine. The load was applied with a crosshead speed of 0.5 mm/min until fracture. The titanium received different modifications for commercially pure titanium (airborne-particle abrasion and acid and thermic treatment). Results: All specimens showed different features within the interfacial area according to the different kinds of surface treatment. The tensile bond strength showed significant difference among the ceramics and surface treatment where the acid treatment groups had least means bond strength as differences between ceramic groups (P = 0.03). Conclusion: It was concluded that the use of acid solutions did not improve titanium-ceramic bonding strength values and the combination of airborne-particle abrasion and thermic tr...
Shear bond strength of dental ceramics to cast commercially pure titanium
2010
Aim: The objective of this study was to evaluate the bond strength of four dental ceramics to commercially pure titanium. Methods: To measure the resistance of metal-ceramic bonding, ceramic rings (Noritake Ti22 ® , Triceran ® , IPS ® , Noritake EX-3 ®) were made around metal rods fused to commercially pure titanium. The area of metal-ceramic union was measured and, after mounting in type III plaster, the rings were subjected to a shearing force in a universal testing machine at a crosshead speed of 2 mm/s until failure occurred. The metal-ceramic shear bond resistance was calculated in MPa. Results: The shear bond strength means for the ceramics Triceram and Noritake Ti22 (42.50 MPa and 61 MPa, respectively) were higher than the minimum value required by the DIN 13927 standard (25 MPa). The ceramics IPS and Noritake EX3, although not specifically formulated for titanium, also had shear bond strength means above the ISO-recommended value (38.47 MPa and 29.04 MPa, respectively); however, there cracks in some specimens after burning and detachment of the ceramic from the metal. Conclusions: The ceramic Noritake Ti22 should be indicated for the commercially pure titanium casting due to its higher mean bond resistance compared to other ceramics utilized.