Effect of Cyclic Fatigue Tests on Aging and Their Translational Implications for Survival of All‐Ceramic Tooth‐Borne Single Crowns and Fixed Dental Prostheses

Özcan, Mutlu; Jonasch, Moritz

doi:10.1111/jopr.12566

Cited by 53 publications

(45 citation statements)

References 58 publications

(135 reference statements)

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“…In implant dentistry, ISO 14801 serves as the only standard requiring 1 × 10 6 cycles with an upper load limit of 100 N at 30° axial loading. It has been previously reported that 2 × 10 6 cycles correspond to approximately 4 years of physiological occlusal and masticatory activity (Baldissara, Ozcan, Melilli & Valandro, ; Ozcan & Jonasch, ). Nevertheless, a recent systematic review indicated that in all studies fatigue loading tends to decrease the results regardless of the cyclic loading conditions (Coray, Zeltner & Ozcan, ).…”

Section: Discussionmentioning

confidence: 98%

Fracture strength of zirconia implant abutments on narrow diameter implants with internal and external implant abutment connections: A study on the titanium resin base concept

Sailer

Asgeirsson

Thoma

et al. 2018

Clinical Oral Implants Res

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For narrow diameter abutments, the fracture strength of 2-piece internal connected zirconia abutments fixed on titanium resin bases was similar to those obtained for 1-piece titanium abutments. Narrow diameter zirconia abutments with internal connection exhibited higher fracture strength than zirconia abutments with an external connection. Titanium abutments with an internal connection were significantly stronger than identical zirconia abutments.

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Section: Discussionmentioning

confidence: 98%

Fracture strength of zirconia implant abutments on narrow diameter implants with internal and external implant abutment connections: A study on the titanium resin base concept

Sailer

Asgeirsson

Thoma

et al. 2018

Clinical Oral Implants Res

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“…The latter product is composed of a blend of fillers embedded in a fully cured highly cross-linked resin matrix [7,8] . The resin content of this material (19% by weight) renders it more resilient which reduces the time needed to fabricate the final dental prosthesis [9,10] .…”

Section: Introductionmentioning

confidence: 99%

Effect of artificially accelerated aging on margin fit and color stability of laminate veneers

Hamza¹,

Al-Baili²,

Abdel‐Aziz³

2018

SDS

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Aim: The purpose of the study was to evaluate the effect of artificially accelerated aging on marginal fit and color stability of three CAD/CAM materials used to fabricate laminate veneers. Methods:A typodont maxillary central incisor tooth was prepared to receive a ceramic veneer, then duplicated to create 15 epoxy resin teeth equally divided into three groups according to the ceramic used to fabricate laminate veneers. Three groups were established: Group (N) nano-hybrid ceramic (Lava™ Ultimate; 3M ESPE); Group (L) CAD/CAM lithium disilicate glass ceramic block (IPS e.max ® CAD; Ivoclar Vivadent); and Group (F) leucite-reinforced glass ceramic block (IPS Empress ® CAD; Ivoclar Vivadent). All of the specimens were subjected to artificial aging using a weathering process in a Weather-O-meter for 300 h. Margin fit and color measurements were carried out before and after artificial aging of the laminates. Results:The results for the marginal fit revealed that there was no statistically significant difference between the mean marginal gap distance of the aged and non-aged specimens in the nano-hybrid ceramic. However, lithium disilicate glass ceramic and leucite-reinforced glass ceramic blocks showed a statistically significant change in the marginal gap. For color measurement, Lava™ Ultimate demonstrated a significant decrease in (a*) value while the (L*) and (b*) values did not show a statistically significant change. Conclusion:Within the limitation of this study, it can be concluded that aging the nano-hybrid ceramic had a superior marginal fit and inferior color stability.

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“…Recent studies have used the aging process or dynamic loading of specimens to simulate clinical conditions and better predict their long‐term success . However, the substantial heterogeneity of data makes comparison of results difficult …”

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confidence: 99%

“…7,10,19,[21][22][23][24] However, the substantial heterogeneity of data makes comparison of results difficult. 25 The aim of this in vitro study was to evaluate the influence of static (no preloading) and thermomechanical cyclic loading on the load to fracture of metal-ceramic, monolithic zirconia, and 3 different veneered zirconia CAD/CAM systems for posterior FPDs. The null hypothesis was that there would be no differences in load to fracture between all the studied systems.…”

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confidence: 99%

Effect of Thermomechanical and Static Loading on the Load to Fracture of Metal‐Ceramic, Monolithic, and Veneered Zirconia Posterior Fixed Partial Dentures

López-Suárez

Tobar

Solá-Ruíz

et al. 2019

Journal of Prosthodontics

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Purpose To evaluate the influence of static (not preloaded) and thermomechanical loading on the load to fracture of metal‐ceramic, monolithic and veneered zirconia computer‐aided design/computer‐aided manufacturing (CAD/CAM) posterior fixed partial dentures (FPDs). Materials and Methods One hundred standardized specimens with 2 abutments screwed onto a platform were prepared from stainless steel to receive a posterior 3‐unit FPD with an intermediate pontic. Specimens were randomly divided into 5 groups (n = 20): Metal‐ceramic (control group), Lava Zirconia system, Vita In‐Ceram YZ, IPS e.max ZirCAD, and Lava Plus. Half of the specimens of each group (n = 10) underwent no preloading, and the other half were subjected to thermomechanical loading in a masticatory simulator, and then all FPDs were loaded until fracture using a universal testing machine at a 1 mm/min crosshead speed. The load to fracture of the veneering ceramic and the load to fracture of framework (total fracture) were recorded for each specimen. Data were statistically analyzed using 2‐way ANOVA, Tukey's HSD post‐hoc test, Student's t test, and Weibull statistics, α = 0.05. Results Significant differences were recorded between the metal‐ceramic and veneered zirconia groups for the veneering ceramic load (p < 0.001; f = 36.62; f = 57.76) in no preloading and thermomechanical loading subgroups, respectively, but no differences were observed between the static and thermomechanical loading conditions. No differences were observed among the veneered zirconia groups. For the total load to fracture, significant differences were observed according to the material (p < 0.001; f = 500.8), between the metal‐ceramic and Lava Plus group and the other zirconia groups in no preloading subgroup, and between metal‐ceramic and the other groups (p < 0.001; f = 303.33) in thermomechanical loading subgroup. For the type of preloading, significant differences were observed (p = 0.02; f = 5.24) between the Lava Plus group and the other groups. Thermomechanical loading significantly decreased the fracture load of the Lava Plus group (p = 0.005). The Weibull statistics corroborated the results. Conclusions Monolithic zirconia restorations provided the highest load to fracture values among the zirconia groups tested; however, the results indicate that they must be used in the oral environment with caution, because their load to fracture was influenced by the aging simulation.

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Effect of Cyclic Fatigue Tests on Aging and Their Translational Implications for Survival of All‐Ceramic Tooth‐Borne Single Crowns and Fixed Dental Prostheses

Cited by 53 publications

References 58 publications

Fracture strength of zirconia implant abutments on narrow diameter implants with internal and external implant abutment connections: A study on the titanium resin base concept

Fracture strength of zirconia implant abutments on narrow diameter implants with internal and external implant abutment connections: A study on the titanium resin base concept

Effect of artificially accelerated aging on margin fit and color stability of laminate veneers

Effect of Thermomechanical and Static Loading on the Load to Fracture of Metal‐Ceramic, Monolithic, and Veneered Zirconia Posterior Fixed Partial Dentures

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