Fatigue performance of distinct CAD/CAM dental ceramics

Guilardi, Luís Felipe; Machado, Pablo Soares; Werner, A.; N, de Jager; Pereira, G.K.R.; Kleverlaan, Cornelis J.; Rippe, Marília Pivetta; Valandro, Luiz Felipe

doi:10.1016/j.jmbbm.2019.103540

Cited by 20 publications

(4 citation statements)

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“…Simulation in this part includes Finite Element Analysis (FEA) [69], simulation of acoustics performance of the product [70,71] simulation of composites structures behavior and the progressive degradation [72,73] and fluid dynamics simulation [74] can be distinguished. One of process simulation challenges is the development of Computer Aided Manufacturing (CAM) to automate a manufacturing process [75].…”

Section: E41 Product and Processes: Product And Processes Simulatiomentioning

confidence: 99%

Mapping Industry 4.0 Enabling Technologies into United Nations Sustainability Development Goals

et al. 2021

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The emerging of the fourth industrial revolution, also known as Industry 4.0 (I4.0), from the advancement in several technologies is viewed not only to promote economic growth, but also to enable a greener future. The 2030 Agenda of the United Nations for sustainable development sets out clear goals for the industry to foster the economy, while preserving social well-being and ecological validity. However, the influence of I4.0 technologies on the achievement of the Sustainable Development Goals (SDG) has not been conclusively or systematically investigated. By understanding the link between the I4.0 technologies and the SDGs, researchers can better support policymakers to consider the technological advancement in updating and harmonizing policies and strategies in different sectors (i.e., education, industry, and governmental) with the SDGs. To address this gap, academic experts in this paper have investigated the influence of I4.0 technologies on the sustainability targets identified by the UN. Key I4.0 element technologies have been classified to enable a quantitative mapping with the 17 SDGs. The results indicate that the majority of the I4.0 technologies can contribute positively to achieving the UN agenda. It was also found that the effects of the technologies on individual goals varies between direct and strong, and indirect and weak influences. The main insights and lessons learned from the mapping are provided to support future policy.

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Section: E41 Product and Processes: Product And Processes Simulatiomentioning

confidence: 99%

Mapping Industry 4.0 Enabling Technologies into United Nations Sustainability Development Goals

et al. 2021

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“…Once the final restorations arrived from the laboratory, a final try-in was performed to evaluate occlusion, esthetics (shape, color, Guilardi et al 7 The results of their study indicate that the CAD/CAM milling statistically reduced the fatigue failure load and the number of cycles for failure in all the ceramic materials.…”

Section: Discussionmentioning

confidence: 99%

The Impact of Computer-aided Design/Computer-aided Manufacturing Technology on Improving the Esthetics of Our Patients: A Case Report

Hariri,

El Yamani

2023

CODS - Journal of Dentistry

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The objective of this article is to showcase the positive impact of the CAD/CAM technique on improving esthetics through a case report involving the restoration of three fractured maxillary incisors (central incisors and left lateral incisors). Fundamentals of Computer-aided Design and ManufacturingThanks to numerous technological advances in the field of dentistry, we can differentiate a set of so-called CAD/CAM techniques. This dental technology, derived from computer science, enables the production of dental prostheses. Within distinguish CAD/CAM, two entities can be identified, often combined but distinct: IntroductIonDigital technology is ubiquitous in today's world, encompassing the internet, digital devices, smart devices, and artificial intelligence. Its expansion in the 1970s gave rise to multiple dental practice management software programs that facilitate the organization of medical records.Computer-aided design/computer-aided manufacturing (CAD/CAM) applied to dentistry is not a recent development, it was designed in 1973 1 and is based on two distinct phases:• Computer-aided design (CAD) involves creating a threedimensional digital model of the future prosthetic reconstruction. • Computer-aided manufacturing (CAM) serves as the connection between CAD and the material-shaping machine, enabling the realization of the prosthetic project.Computer-aided design/computer-aided manufacturing (CAD/CAM) has significantly improved the quality of fixed prostheses. 2 A study conducted in 2014 3 demonstrated that the marginal adaptation of prostheses manufactured using the CAD/ CAM technique (48 ± 25 μm) is more precise than that of prostheses fabricated through traditional techniques (74 ± 47 μm). Presently, there are three types of CAD/CAM, direct, semi-direct, and indirect. All three involve four steps. 4• Digitization.• Creation of the virtual model.• Computer-aided design (CAD).• Computer-aided manufacturing (CAM).

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“…Segundo Guilardi et al 18 são características inerentes do processamento da porcelana feldspática a partir da tecnologia CAD/CAM sofrer falhas no seu processo de pré-sinterização apresentando poros e durante a usinagem a sua microestrutura apresentar bolhas, trincas e restos de pó vítreo. Pode Outros dois fatores encontrados no estudo de Ender et al 22 possivelmente explicam as diferenças encontradas nesse estudo com o escâner Omnicam relacionadas as faces mesiais, as quais apresentaram os maiores valores (>120 μm) de discrepância marginal em ambos os preparos (convencional e ultrafino).…”

Section: Discussionunclassified

Adaptação Marginal De Coroas Cad-Cam De Porcelana Feldspática Com Preparo Convencional E Ultrafino

Araújo¹,

Sanches²,

Metzker³

et al. 2022

RFO

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Objetivo: avaliar a influência da espessura do preparo na adaptação marginal de coroas de porcelana feldspática fabricadas pela tecnologia CAD/CAM e identificar a(s) face(s) que apresenta(m) maior discrepância marginal em cada preparo. Metodologia: Dois molares inferiores humanos foram preparados para coroa total: preparo convencional (PC) – chanfro: 1,0 mm, redução oclusal: 2 mm e axial: 1,5 mm; preparo ultrafino (PUF) – chanfro arredondado: 0,5 mm, redução oclusal e axial: 0,7 mm. Os preparos foram escaneados com escâner intraoral e os dados processados no software Cerec InLab foram transmitidos à fresadora. Sobre os dois tipos de preparo foram confeccionadas coroas de porcelana feldspática (Cerec Blocs) (n=10). As coroas foram adaptadas ao dente preparado e analisadas em lupa estereoscópica com aumento de 45x. As imagens obtidas foram transferidas para o programa Corel Draw para leitura da discrepância marginal. O teste estatístico utilizado para avaliar os tipos de preparo foi t de Student e para as faces foram ANOVA e Bonferroni (p<0.05). Resultados: Os menores valores de discrepância marginal foram encontrados no grupo PC (73,25 ± 18,19) que diferiu estatisticamente do grupo PUF (110,40 ± 28,64). As faces mesiais de ambos os grupos apresentaram maiores valores de discrepância marginal (PC=132,01 ± 50,93 e PUF=173,01 ± 73,63), respectivamente, com diferença estatisticamente significante em relação às demais faces. Conclusão: As coroas de porcelana feldspática com PC apresentaram melhor adaptação marginal comparadas às coroas com PUF. As faces dentárias apresentaram valores de discrepância marginal dentro do parâmetro utilizado (≤120 μm), exceto a face mesial, em ambos os preparos.

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Fatigue performance of distinct CAD/CAM dental ceramics

Cited by 20 publications

References 35 publications

Mapping Industry 4.0 Enabling Technologies into United Nations Sustainability Development Goals

Mapping Industry 4.0 Enabling Technologies into United Nations Sustainability Development Goals

The Impact of Computer-aided Design/Computer-aided Manufacturing Technology on Improving the Esthetics of Our Patients: A Case Report

Adaptação Marginal De Coroas Cad-Cam De Porcelana Feldspática Com Preparo Convencional E Ultrafino

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