Mechanical properties of ceria-calcia stabilized zirconia ceramics with alumina additions

Tovar-Vargas, D.; Roitero, E.; Anglada, M.; Jiménez‐Piqué, E.; Reverón, Helen

doi:10.1016/j.jeurceramsoc.2021.05.006

Cited by 23 publications

(15 citation statements)

References 50 publications

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“…As already mentioned in the present study, the intraoral use of zirconia as a restorative material is also associated with, apart from possible fractures, complications such as chemical aging and the wear of antagonist teeth. Chemical aging is also known as low temperature degradation; water can destabilize the meta-stable tetragonal zirconia grains (transition from the T phase to the M phase at room temperature, in the absence of any mechanical stress), so that the volume increase associated with phase change can cause local stresses and microcracks near the surface [54]. This, in turn, generates internal stress, which contributes to the progression of micro-fissures in the materials, causing particle detachment with an overall negative impact on material strength [23].…”

Section: Discussionmentioning

confidence: 99%

Bending Fracture of Different Zirconia-Based Bioceramics for Dental Applications: A Comparative Study

et al. 2021

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The fabrication of fixed dental prostheses using aesthetic materials has become routine in today’s dentistry. In the present study, three-unit full zirconia fixed prosthetic restorations obtained by computer-aided design/computer-aided manufacturing (CAD/CAM) technology were tested by bending trials. The prostheses were intended to replace the first mandibular left molar and were manufactured from four different types of zirconia bioceramics (KatanaTM Zirconia HTML and KatanaTM Zirconia STML/Kuraray Noritake Dental Inc.; NOVAZir® Fusion float® ml/NOVADENT/Dentaltechnik; and 3D PRO Zirconia/Bloomden Bioceramics). In total, sixteen samples were manufactured—four samples per zirconia material. Additionally, the morphology, grain size area distribution, and elemental composition were analyzed in parallelepiped samples made from the selected types of zirconia in three different areas, noted as the upper, middle, and lower areas. The scanning electron microscope (SEM) analysis highlighted that the grain size area varies with respect to the researched area and the type of material. Defects such as microcracks and pores were also noted to a smaller extent. In terms of grain size area, it was observed that most of the particles in all samples were under 0.5 μm2, while the chemical composition of the investigated materials did not vary significantly. The results obtained after performing the bending tests showed that a zirconia material with fewer structural defects and an increased percentage of grain size area under 0.5 µm2, ranging from ~44% in the upper area to ~74% in the lower area, exhibited enhanced mechanical behavior. Overall, the resulting values of all investigated parameters confirm that the tested materials are suitable for clinical use.

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Section: Discussionmentioning

confidence: 99%

Bending Fracture of Different Zirconia-Based Bioceramics for Dental Applications: A Comparative Study

et al. 2021

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“…Left: Images show the Ce‐based composites’ Vickers hardness. Right: The image shows the hydrothermal transformation area of the different Ce‐based composites 111 …”

Section: Ceramic Biomaterials In Dental Implantsmentioning

confidence: 99%

“…All these composites are also aging-resistant (Figure 2). 111,112 Chacun et al evaluated the preclinical study of Ceria-TZP-doped composite dental material in dogs. They implanted 24 ceramic and 24 titanium tooth screws with F I G U R E 3 Left shows titanium (A) and ceramic composite (B) implantation.…”

Section: Ceria-doped Zirconiamentioning

confidence: 99%

Advancement in ceramic biomaterials for dental implants

Upadhyay,

Pradhan,

Yenurkar

et al. 2024

Int J Applied Ceramic Tech

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There has been enormous research on diagnostic and therapeutic dental methods due to the growing recognition of oral wellness. Numerous studies in this area have resulted in dental biomaterials, including polymers, metals, and acrylic resins, essential to restore teeth affected by illnesses or accidents. Compared to other biomaterials, such as metals or polymers, ceramics offer distinct features. Materials like zirconia and alumina demonstrate their high intrinsic strength, making them appropriate for biomedical applications like dental implants or artificial joints. Additionally, they have outstanding biocompatibility, which lowers the possibility of adverse effects or inflammation. Some ceramics, like hydroxyapatite (HA) and bioactive glasses, even encourage tissue integration and regeneration. Moreover, because of their adaptability, they can be precisely shaped and composed to emphasize specific characteristics. Yttria‐stabilized tetragonal zirconia offers outstanding mechanical properties and biocompatibility but faces concerns over long‐term durability due to low‐temperature degradation. To address this, researchers have developed non‐oxidic ceramics like silicon nitride and advanced oxide‐based materials like alumina‐zirconia composites, aiming to enhance the durability and reliability of biomedical applications. In this review, we highlighted the recent advancements in ceramic dental implants; examples and applications of different ceramics‐based materials, including zirconia, alumina, HA, and beta calcium phosphate, are provided in detail.

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“…Due to the lack of transformation toughening in c-ZrO2 and the fact that c-ZrO2 is prone to accumulate stabilizing cations [46,57], the formation of c-ZrO2 complicated an accurate control of the stabilizer content in the t-ZrO2 phase and limited the mechanical properties and transformability of the ceramics [46,58].…”

Section: Influence Of Dopant-cation Radius On Phase Composition and Z...mentioning

confidence: 99%

Tough and damage-tolerant monolithic zirconia ceramics with transformation-induced plasticity by grain-boundary segregation

Tunca

Meerbeek

et al. 2023

Journal of the European Ceramic Society

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Mechanical properties of ceria-calcia stabilized zirconia ceramics with alumina additions

Cited by 23 publications

References 50 publications

Bending Fracture of Different Zirconia-Based Bioceramics for Dental Applications: A Comparative Study

Bending Fracture of Different Zirconia-Based Bioceramics for Dental Applications: A Comparative Study

Advancement in ceramic biomaterials for dental implants

Tough and damage-tolerant monolithic zirconia ceramics with transformation-induced plasticity by grain-boundary segregation

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