Effect of Four Manufacturing Techniques (Casting, Laser Directed Energy Deposition, Milling and Selective Laser Melting) on Microstructural, Mechanical and Electrochemical Properties of Co-Cr Dental Alloys, Before and After PFM Firing Process

Guizán, Óscar Barro; Arias-González, F.; Lusquiños, F.; Comesaña, R.; Val, J. del; Riveiro, A.; Badaoui, A.; Gómez-Baño, Félix; Pou, J.

doi:10.3390/met10101291

Cited by 17 publications

(10 citation statements)

References 56 publications

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“…Although the chemical compositions of the Co-Cr alloys in the four groups were slightly different, as shown in Table 1, it was assumed that there was no effect on the mechanical properties [37].…”

Section: Discussionmentioning

confidence: 99%

Effects of hollow structures added by selective laser sintering on the mechanical properties of Co-Cr alloy

et al. 2022

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The inner lattice structures were added to the stem of an artificial femoral joint to obtain optimal mechanical properties similar to those of cortical bone in orthopedics. Consequently, the elastic modulus was successfully reduced to one-fifth of that of conventional implants [15]. SLS technology enables the addition of inner structures, unlike conventional processes, leading to localized changes in mechanical properties.

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Section: Discussionmentioning

confidence: 99%

Effects of hollow structures added by selective laser sintering on the mechanical properties of Co-Cr alloy

et al. 2022

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“…These studies indicate very low strength properties of this sintered material, indicating the maintenance of far-reaching caution in the use of this material in prosthetics and implantology, including dentistry [329] Unfortunately, this obvious information is unknown in many centers trying to apply additive manufacturing technology in medicine and dentistry. Hence, there will be publications [327,328] in which it is generalized that the properties of additive manufacturing or conventionally cast materials do not differ from each other. It seems to indicate that about 60% of the possibilities provided by the material used and the additive manufacturing process are used in such a technological process.…”

Section: Examples Of Application Of Various Biomaterials In Medicine and Dentistrymentioning

confidence: 99%

Effect of Biomedical Materials in the Implementation of a Long and Healthy Life Policy

Dobrzański¹,

Dobrzańska-Danikiewicz

Dobrzański³

2021

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This paper is divided into seven main parts. Its purpose is to review the literature to demonstrate the importance of developing bioengineering and global production of biomaterials to care for the level of healthcare in the world. First, the general description of health as a universal human value and assumptions of a long and healthy life policy is presented. The ethical aspects of the mission of medical doctors and dentists were emphasized. The coronavirus, COVID-19, pandemic has had a significant impact on health issues, determining the world’s health situation. The scope of the diseases is given, and specific methods of their prevention are discussed. The next part focuses on bioengineering issues, mainly medical engineering and dental engineering, and the need for doctors to use technical solutions supporting medicine and dentistry, taking into account the current stage Industry 4.0 of the industrial revolution. The concept of Dentistry 4.0 was generally presented, and a general Bioengineering 4.0 approach was suggested. The basics of production management and the quality loop of the product life cycle were analyzed. The general classification of medical devices and biomedical materials necessary for their production was presented. The paper contains an analysis of the synthesis and characterization of biomedical materials supporting medicine and dentistry, emphasizing additive manufacturing methods. Numerous examples of clinical applications supported considerations regarding biomedical materials. The economic conditions for implementing various biomedical materials groups were supported by forecasts for developing global markets for biomaterials, regenerative medicine, and tissue engineering. In the seventh part, recapitulation and final remarks against the background of historical retrospection, it was emphasized that the technological processes of production and processing of biomedical materials and the systematic increase in their global production are a determinant of the implementation of a long and healthy policy.

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“…In the name of patients' well-understood interests, it is necessary to point out substantive irregularities of such articles in order to eliminate them from conceptual circulation in the dentist community. Several such negative examples can be given, e.g., about doubts about the introduction of computerization in dentistry and dental engineering [254], as well as in the dissemination of the information that both casting and additive manufacturing result in identical product properties [332,442], which it is obviously contrary to the objective truth. This may eliminate or weaken dentists' interest in modern technologies in defiance of patients' health interests.…”

Section: Ethical Context Of the Treatment Of Oral Diseasesmentioning

confidence: 99%

The Concept of Sustainable Development of Modern Dentistry

Dobrzański¹,

Dobrzański²,

Dobrzańska-Danikiewicz

et al. 2020

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This paper concerns the assessment of the current state of dentistry in the world and the prospects of its sustainable development. A traditional Chinese censer was adopted as the pattern, with a strong and stable support on three legs. The dominant diseases of the oral cavity are caries and periodontal diseases, with the inevitable consequence of toothlessness. From the caries 3.5–5 billion people suffer. Moreover, each of these diseases has a wide influence on the development of systemic complications. The territorial range of these diseases and their significant differentiation in severity in different countries and their impact on disability-adjusted life years index are presented (DALY). Edentulousness has a significant impact on the oral health-related quality of life (OHRQoL). The etiology of these diseases is presented, as well as the preventive and therapeutic strategies undertaken as a result of modifying the Deming circle through the fives’ rules idea. The state of development of Dentistry 4.0 is an element of the current stage of the industrial revolution Industry 4.0 and the great achievements of modern dental engineering. Dental treatment examples from the authors’ own clinical practice are given. The systemic safety of a huge number of dentists in the world is discussed, in place of the passive strategy of using more and more advanced personal protective equipment (PPE), introducing our own strategy for the active prevention of the spread of pathogenic microorganisms, including SARS-CoV-2. The ethical aspects of dentists’ activity towards their own patients and the ethical obligations of the dentist community towards society are discussed in detail. This paper is a polemic arguing against the view presented by a group of eminent specialists in the middle of last year in The Lancet. It is impossible to disagree with these views when it comes to waiting for egalitarianism in dental care, increasing the scope of prevention and eliminating discrimination in this area on the basis of scarcity and poverty. The views on the discrimination of dentistry in relation to other branches of medicine are far more debatable. Therefore, relevant world statistics for other branches of medicine are presented. The authors of this paper do not agree with the thesis that interventional dental treatment can be replaced with properly implemented prophylaxis. The final remarks, therefore, present a discussion of the prospects for the development of dentistry based on three pillars, analogous to the traditional Chinese censer obtaining a stable balance thanks to its three legs. The Dentistry Sustainable Development (DSD) > 2020 model, consisting of Global Dental Prevention (GDP), Advanced Interventionist Dentistry 4.0 (AID 4.0), and Dentistry Safety System (DSS), is presented.

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Effect of Four Manufacturing Techniques (Casting, Laser Directed Energy Deposition, Milling and Selective Laser Melting) on Microstructural, Mechanical and Electrochemical Properties of Co-Cr Dental Alloys, Before and After PFM Firing Process

Cited by 17 publications

References 56 publications

Effects of hollow structures added by selective laser sintering on the mechanical properties of Co-Cr alloy

Effects of hollow structures added by selective laser sintering on the mechanical properties of Co-Cr alloy

Effect of Biomedical Materials in the Implementation of a Long and Healthy Life Policy

The Concept of Sustainable Development of Modern Dentistry

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