Relevant bibliographies by topics / Dental casting. Dental Casting Technique

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  2. Dissertations / Theses
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Academic literature on the topic 'Dental casting. Dental Casting Technique'

Author: Grafiati
Published: 4 June 2021
Last updated: 3 February 2022

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Journal articles on the topic "Dental casting. Dental Casting Technique"

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Hinman, R. W., J. A. Tesk, R. P. Whitlock, E. E. Parry, and J. S. Durkowski. "A Technique for Characterizing Casting Behavior of Dental Alloys." Journal of Dental Research 64, no. 2 (February 1985): 134–38. http://dx.doi.org/10.1177/00220345850640020801.

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MORI, Toshiko, and Farzaneh AGHAJANI. "Gypsum-bonded Investment and Dental Precision Casting (II) Investment for the Quick Casting Technique." Dental Materials Journal 22, no. 4 (2003): 521–31. http://dx.doi.org/10.4012/dmj.22.521.

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MORI, Toshiko, and Farzaneh AGHAJANI. "Gypsum-bonded Investment and Dental Precision Casting (III) Composition of Investment for the Quick Casting Technique." Dental Materials Journal 23, no. 2 (2004): 230–32. http://dx.doi.org/10.4012/dmj.23.230.

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Asgar, K. "Casting Metals in Dentistry: Past - Present - Future." Advances in Dental Research 2, no. 1 (August 1988): 33–43. http://dx.doi.org/10.1177/08959374880020011701.

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This article deals mainly with the development of dental casting techniques and formulation of the different groups of alloys used in the fabrication of ceramo-metal restorations. It is recognized that in order for the quality of dental cast restorations to be improved, having alloys with the proper composition is not enough. Biocompatibility, good mechanical and physical properties, longevity of the restoration, compatibility with porcelain, and a simple manipulative technique are as important. Researchers have contributed to different aspects of dental castings and have made cast restorations what they are today. Unfortunately, much of the original basic research has been overlooked by present investigators, who have duplicated studies conducted in the past without realizing that the study had already been performed and the research had been published. The main reason for this is that abstracts of articles published prior to 1975 are not available through a library computer-search system. To obtain copies of articles published prior to 1975, one has to search the literature to know where they were published. This article provides references for much of the past work in this area. Also, dental libraries do not carry copies of U.S. patents. This places the majority of researchers located at dental schools at a disadvantage. They are not familiar with what the patents claim, what is taught, and why certain elements are added or eliminated from alloys and investment materials. This article also provides the numbers of many U.S. patents. By having the patent number, one can obtain the text of the patent from the U.S. Patent Office in Washington, DC. Since esthetics plays an important role in today's society, emphasis will be given only to alloys designed for fabrication of ceramo-metal restorations. Many ceramo-metal alloys are available today, and they are classified differently by different individuals. In this article, classification will be based on the major components of these alloys, as well as on a chronological introduction of one group leading to the development of the next group. Based on this, one can classify these alloys into six major groups. Chemical composition, properties, and the developers of these alloys, along with their U.S. patents, are given. Recently, two types of all-ceramic restorations have been introduced. The main advantage of the all-ceramic restoration is its superior esthetic quality compared with that of ceramo-metal restorations. Their main disadvantages are low strength and ductility. Their strength, however, is sufficient for single-unit restorations, but not for bridgework. The use of titanium for dental restorations has also been studied, and it has been found to be suitable. Future Studies - Future work should be devoted to the following: (1) the development of stronger and more ductile ceramic materials: (2) further study of the promising palladium alloys from the noble metal group and titanium alloys from the base metal group; (3) the development of easier and less-time-consuming techniques for the fabrication of dental appliances; (4) the development of a powder technique rather than a cast technique for future fabrication methods; and (5) the development of new laboratory equipment, e.g., a single sintering oven capable of sintering both ceramic and metallic particles, which would be accepted if the powder technique is developed.
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Pendergrass, Paula B., Cornelia A. Reeves, and Meyer W. Belovicz. "A Technique for Vaginal Casting Utilizing Vinyl Polysiloxane Dental Impression Material." Gynecologic and Obstetric Investigation 32, no. 2 (1991): 121–22. http://dx.doi.org/10.1159/000293010.

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Haselhuhn, Klaus, Juliana Marotti, Pedro Tortamano, Claudia Weiss, Lubna Suleiman, and Stefan Wolfart. "Assessment of the Stress Transmitted to Dental Implants Connected to Screw-Retained Bars Using Different Casting Techniques." Journal of Oral Implantology 40, no. 6 (December 1, 2014): 641–48. http://dx.doi.org/10.1563/aaid-joi-d-12-00029.

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Passive fit of the prosthetic superstructure is important to avoid complications; however, evaluation of passive fit is not possible using conventional procedures. Thus, the aim of this study was to check and locate mechanical stress in bar restorations fabricated using two casting techniques. Fifteen patients received four implants in the interforaminal region of the mandible, and a bar was fabricated using either the cast-on abutment or lost-wax casting technique. The fit accuracy was checked according to the Sheffield's test criteria. Measurements were recorded on the master model with a gap-free, passive fit using foil strain gauges both before and after tightening the prosthetic screws. Data acquisition and processing was analyzed with computer software and submitted to statistical analysis (ANOVA). The greatest axial distortion was at position 42 with the cast-on abutment technique, with a mean distortion of 450 μm/m. The lowest axial distortion occurred at position 44 with the lost-wax casting technique, with a mean distortion of 100 μm/m. The minimal differences between the means of axial distortion do not indicate any significant differences between the techniques (P = 0.2076). Analysis of the sensor axial distortion in relation to the implant position produced a significant difference (P < 0.0001). Significantly higher measurements were recorded in the axial distortion analysis of the distal sensors of implants at the 34 and 44 regions than on the mesial positions at the 32 and 42 regions (P = 0.0481). The measuring technique recorded axial distortion in the implant-supported superstructures. Distortions were present at both casting techniques, with no significant difference between the sides.
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Myszka, D., and M. Skrodzki. "Comparison of Dental Prostheses Cast and Sintered by SLM from Co-Cr-Mo-W Alloy." Archives of Foundry Engineering 16, no. 4 (December 1, 2016): 201–7. http://dx.doi.org/10.1515/afe-2016-0110.

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Abstract The article presents the results of a comparative analysis of the metal substructure for dental prosthesis made from a Co-Cr-Mo-W alloy by two techniques, i.e. precision investment casting and selective laser melting (SLM). It was found that the roughness of the raw surface of the SLM sinter is higher than the roughness of the cast surface, which is compensated by the process of blast cleaning during metal preparation for the application of a layer of porcelain. Castings have a dendritic structure, while SLM sinters are characterized by a compact, fine-grain microstructure of the hardness higher by about 100 HV units. High performance and high costs of implementation the SLM technology are the cause to use it for the purpose of many dental manufacturers under outsourcing rules. The result is a reduction in manufacturing costs of the product associated with dental work time necessary to scan, designing and treatment of sinter compared with the time needed to develop a substructure in wax, absorption in the refractory mass, casting, sand blasting and finishing. As a result of market competition and low cost of materials, sinter costs decrease which brings the total costs related to the construction unit making using the traditional method of casting, at far less commitment of time and greater predictability and consistent sinter quality.
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Han, Xingting, Tomofumi Sawada, Christine Schille, Ernst Schweizer, Lutz Scheideler, Jürgen Geis-Gerstorfer, Frank Rupp, and Sebastian Spintzyk. "Comparative Analysis of Mechanical Properties and Metal-Ceramic Bond Strength of Co-Cr Dental Alloy Fabricated by Different Manufacturing Processes." Materials 11, no. 10 (September 22, 2018): 1801. http://dx.doi.org/10.3390/ma11101801.

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Cobalt-chromium (Co-Cr) alloy is a widely used base material for dental fixed prostheses. These restorations can be produced through casting technique, subtractive or additive manufacturing technologies. However, limited information is available regarding the influence of manufacturing techniques on the properties of Co-Cr alloy since most studies used different chemical compositions of Co-Cr alloy for different manufacturing methods. This study compares the mechanical properties, metal-ceramic bond strength, and microstructures of specimens produced by casting, milling, and selective laser melting (SLM) from one single Co-Cr alloy composition. The mechanical properties of the alloy were investigated by tensile and Vickers hardness tests, and metal-ceramic bond strength was determined by three-point bending. Scanning electron microscopy (SEM) with backscattered electron (BSE) images and optical microphotographs were used to analyze the surface microstructures. Compared with the casting and milling techniques, SLM Co-Cr alloy specimens indicated enhanced mechanical properties and comparable metal-ceramic bond strength. Besides, the microstructures of the SLM specimens showed finer grains with more second phase particles than the casting and milling specimens. The results of our study indicate that SLM might be superior to traditional techniques for the manufacturing of fixed dental restorations.
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Sharma, Abhishek, Karan Kapoor, Abhinav Chauhan, and Manisha Kanwar. "Evaluation of Various Dental Casting Alloys and Techniques-An Overview." Indian Journal of Contemporary Dentistry 2, no. 2 (2014): 67. http://dx.doi.org/10.5958/2320-5962.2014.00014.x.

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Sarna-Boś, Katarzyna, Agata Batyra, Justyna Oleszek-Listopad, Beata Piórkowska-Skrabucha, Janusz Borowicz, and Jolanta Szymańska. "A comparison of the traditional casting method and the galvanoforming technique in gold alloy prosthetic restorations." Current Issues in Pharmacy and Medical Sciences 28, no. 3 (September 1, 2015): 196–99. http://dx.doi.org/10.1515/cipms-2015-0071.

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Abstract Gold is a dental material with very good mechanical properties. It is also aesthetic and biocompatible with the tissues of the oral cavity even at 100% purity. Prosthetic restorations made of pure gold or its alloys can be practiced either through a normal casting, as well as through using the galvanoforming technique. The electrolytic method was first introduced into dentistry about 20 years ago and it allows for producing “pure” gold (which means 99.99% Au). The lack of additions of other metals improves the properties of dental prostheses, such as marginal tightness, esthetics, biocompatibility, and it helps in eliminating any allergic reactions. The literature review presented in this paper is a comparison of the traditional casting method with the newer galvanoforming technique.
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Dissertations / Theses on the topic "Dental casting. Dental Casting Technique"

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Allport, David M. "Evaluation of two reference planes to the horizon in the natural head position." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2565.

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Thesis (M.S.)--West Virginia University, 2002.
Title from document title page. Document formatted into pages; contains vii, 35 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 29-30).
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Papazoglou, Efstratios. "On porcelain bonding, oxidation, mechanical properties and high-temperature distortion of high-palladium dental casting alloys." The Ohio State University, 1999. http://catalog.hathitrust.org/api/volumes/oclc/47770015.html.

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Thesis (Ph. D.)--Ohio State University, 1999.
Advisor: William A. Brantley, Oral Biology Program. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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Mullen, S. Russell. "Accuracy of performing space analysis using emodels[TM] and plaster models." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3302.

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Thesis (M.S.)--West Virginia University, 2004.
Title from document title page. Document formatted into pages; contains vii, 56 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 36-39).
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Davis, Byron A. "Anatomical measurements of orthodontic and edentulous casts to determine the width of the maxillary anterior teeth." Morgantown, W. Va. : [West Virginia University Libraries], 2005. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3977.

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Thesis (M.S.)--West Virginia University, 2005.
Title from document title page. Document formatted into pages; contains vii, 40 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 32-35).
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Nogueira, Fabiane. "Efeito de um revestimento com processamento rápido para fundição de titânio na camada de reação, porosidade interna, fluidez, rugosidade superficial e adaptação marginal de Copings /." Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/98027.

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Orientador: Gelson Luis Adabo
Banca: Renata Garcia Fonseca
Banca: Ricardo Faria Ribeiro
Resumo: A aplicação do titânio e ligas de titânio para implantes dentários e próteses têm crescido nos últimos anos devido às suas excelentes propriedades físicas e mecânicas. No entanto, o titânio tem alto ponto de fusão (1668ºC) e sob elevadas temperaturas, reage com elementos do ar atmosférico (oxigênio, nitrogênio, hidrogênio) e com componentes de diversos revestimentos. As reações entre o metal fundido e alguns elementos de revestimentos, principalmente fosfatados ou à base de sílica, resultam na formação de uma zona de contaminação superficial denominada "α-case". Para minimizar este problema, revestimentos contendo óxidos menos reativos, tais como Al2O3, MgO, ZrO2 e CaO, têm sido desenvolvidos. Os revestimentos especiais para fundição de titânio à base de sílica, de MgO, alumina e espinélio apresentam um tempo de processamento bastante longo (8 a 10 horas). Recentemente, foi desenvolvido um revestimento à base espinélio com processamento acelerado (Trinell - Dentaurum, Ispringen, Germany) que permite a utilização de uma técnica de secagem em forno de microondas e temperatura de aquecimento inicial do forno de 400 ºC, diminuindo o tempo de processamento para cerca de 5 horas. No entanto, não existem estudos que comprovem a eficiência deste novo revestimento. O propósito deste estudo foi avaliar o efeito do novo material Trinell (TR) na camada de reação, porosidade interna, fluidez, rugosidade superficial e adaptação marginal de estruturas fundidas em titânio, quando comparado a dois revestimentos convencionais para fundição de titânio: um revestimento fosfatado, Rematitan Plus (RP) - controle negativo e outro à base de espinélio Rematitan Ultra (RU) - controle positivo. A camada de reação foi avaliada por meio de ensaio dureza Vickers; a medida da porosidade interna foi determinada por exame radiográfico; a rugosidade superficial... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: The use of titanium and titanium alloys in dental implant and prosthesis has increased in the past few years because of their excellent physical and mechanical properties. However, titanium has a high melting point (1668 ºC) and inherent reactivity with elements of atmospheric air (oxygen, nitrogen, hydrogen) and with components of several investment materials under high temperatures. The reactions between molten metal and some of the elements of phosphate-bonded and other silica-based investment materials result in the development of a surface contamination zone called "α-case". To minimize this problem, new investment materials containing less reactive oxides, such as Al2O3, MgO, ZrO2 and CaO have been developed. The commercial silica-, MgO-, Al2O3 - and spinel-based investments especially formulated to titanium casting demand a processing time in a range of 8 to 10 hours. Recently, a new short-cycle spinel-based investment (Trinell - Dentaurum, Ispringen, Germany) was developed. It has a reduced processing time - 5 hours in the furnace- because of an investment drying technique into microwaves oven followed by an initial heating in furnace at 400 °C. However, there are not studies which verify the efficiency of this new investment. The aim of this study was to evaluate the reaction layer, the internal porosity, the surface roughness, the castability and the marginal misfit of titanium castings performed with the new material, Trinell (TR), in comparison to two conventional investments for titanium castings: phosphate-bonded Rematitan Plus (RP) - negative control, and the spinel-based Rematitan Ultra (RU) - positive control. The reaction layer was evaluated by Vickers hardness; the measure of the internal porosity was determined by radiographic test; the surface roughness was measured with a surface-test analyzer, the castability was determined by the percentage of completely... (Complete abstract click electronic access below)
Mestre
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Mezger, Peter Richard. "Corrosion behaviour of dental casting alloys some palladium-containing alloy developments : een wetenschappelijke proeve op het gebied van de geneeskunde en tandheelkunde /." Nijmegen : Katholieke Universiteit te Nijmegen, 1989. http://catalog.hathitrust.org/api/volumes/oclc/38087336.html.

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Cid, Galano Marcos. "Linear expansion of dental stone after its final set and beyond two hours." Morgantown, W. Va. : [West Virginia University Libraries], 2003. http://etd.wvu.edu/templates/showETD.cfm?recnum=2935.

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Thesis (M.S.)--West Virginia University, 2003.
Title from document title page. Document formatted into pages; contains viii, 43 p. : ill. Vita. Includes abstract. Includes bibliographical references (p. 41-42).
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Odo, Caroline Hanada 1987. "Photoelastic analysis of stress distribution around external hexagon and morse taper implants in different immediate loading systems = Análise fotoelástica da distribuição de tensões ao redor de implantes hexágono externo e cone Morse em diferentes sistemas de carga imediata." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/288288.

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Orientador: Mauro Antônio de Arruda Nóbilo
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Dentre diversos fatores que determinam o sucesso da osseointegração e da reabilitação protética, a biomecânica se destaca como fator fundamental. Utilizando a técnica da fotoelasticidade, o objetivo neste estudo foi avaliar as tensões geradas ao redor de implantes cone morse e hexágono externo osseointegrados após carregamento distal em diferentes técnicas de carga imediata: barra distal, fundição e solda a Laser. Três infraestruturas similares (uma para cada técnica) foram confeccionadas, sobre uma matriz metálica simulando um arco mandibular edêntulo. Cinco implantes foram dispostos de maneira a simular a distribuição clínica para protocolo inferior convencional. Análogos de mini pilares foram fixados na matriz metálica e após procedimento de transferência e obtenção de modelo em gesso especial, foram confeccionadas as infraestruturas protéticas. Estas foram utilizadas em novo procedimento de transferência e posteriormente, instaladas em modelo fotoelástico confeccionado com resina epóxi flexível (GIV, Polipox Indústria e Comércio Ltda - São Paulo - SP - Brasil). Foi realizado um carregamento pontual de 4,9N na região de primeiro molar inferior direito e, posteriormente primeiro molar inferior esquerdo. Foram avaliados cinco pontos pré-determinados ao longo do implante e as imagens foram analisadas no programa Fringes® de maneira qualitativa e quantitativa através da verificação das ordens de franjas ao redor dos implantes osseointegrados. A média dos valores foi submetida à análise de variância para dados com dois fatores de estudo, seguidos pelo teste de Tukey para comparação entre as médias. Os resultados não apresentaram diferença significativa entre as infraestruturas, porém apresentou diferença significativa entre os tipos de conexões. A partir dos resultados obtidos conclui-se que não há diferença na distribuição de tensão entre as técnicas de obtenção de infraestruturas, porém quando observados os tipos de conexão, o implante Cone Morse apresentou melhores resultados em relação à distribuição de tensão
Abstract: The objective of this study was to evaluate the stresses generated around morse taper and external hexagon osseointegrated implants after distal loading in different immediate loading techniques: distal bar, casting and laser welding. Three similar infrastructures (one for each technique) were fabricated on a metal matrix simulating an edentulous mandible arch. Five implants were arranged to simulate the clinical distribution of conventional lower protocol. Analogs of the implants were fixed in a metal matrix and a transfer procedure was made. After obtaining a special plaster model, the prosthetic infrastructures were fabricated. These were used on a new transfer procedure and subsequently installed in a photoelastic model made with flexible epoxy resin (GIV Polipox Industry and Commerce Ltd - São Paulo - SP - Brazil). A load application of 4.9N was performed at the region of lower right first molar and subsequently lower left first molar. Five predetermined points along the implant were evaluated and the images were analyzed in Fringes ® program in qualitative and quantitative way by checking the orders of the fringes around the dental implants. The mean values were statistically analyzed using a 2-Way analysis of variance and Tukey test. The results showed no significant difference between the infrastructure obtaining techniques, but significant difference was seen between the types of connection. From the results obtained it is concluded that the Morse taper implant showed better results in terms of stress distribution
Mestrado
Protese Dental
Mestra em Clínica Odontológica
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Nogueira, Fabiane [UNESP]. "Efeito de um revestimento com processamento rápido para fundição de titânio na camada de reação, porosidade interna, fluidez, rugosidade superficial e adaptação marginal de Copings." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/98027.

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A aplicação do titânio e ligas de titânio para implantes dentários e próteses têm crescido nos últimos anos devido às suas excelentes propriedades físicas e mecânicas. No entanto, o titânio tem alto ponto de fusão (1668ºC) e sob elevadas temperaturas, reage com elementos do ar atmosférico (oxigênio, nitrogênio, hidrogênio) e com componentes de diversos revestimentos. As reações entre o metal fundido e alguns elementos de revestimentos, principalmente fosfatados ou à base de sílica, resultam na formação de uma zona de contaminação superficial denominada “α-case”. Para minimizar este problema, revestimentos contendo óxidos menos reativos, tais como Al2O3, MgO, ZrO2 e CaO, têm sido desenvolvidos. Os revestimentos especiais para fundição de titânio à base de sílica, de MgO, alumina e espinélio apresentam um tempo de processamento bastante longo (8 a 10 horas). Recentemente, foi desenvolvido um revestimento à base espinélio com processamento acelerado (Trinell - Dentaurum, Ispringen, Germany) que permite a utilização de uma técnica de secagem em forno de microondas e temperatura de aquecimento inicial do forno de 400 ºC, diminuindo o tempo de processamento para cerca de 5 horas. No entanto, não existem estudos que comprovem a eficiência deste novo revestimento. O propósito deste estudo foi avaliar o efeito do novo material Trinell (TR) na camada de reação, porosidade interna, fluidez, rugosidade superficial e adaptação marginal de estruturas fundidas em titânio, quando comparado a dois revestimentos convencionais para fundição de titânio: um revestimento fosfatado, Rematitan Plus (RP) - controle negativo e outro à base de espinélio Rematitan Ultra (RU) - controle positivo. A camada de reação foi avaliada por meio de ensaio dureza Vickers; a medida da porosidade interna foi determinada por exame radiográfico; a rugosidade superficial...
The use of titanium and titanium alloys in dental implant and prosthesis has increased in the past few years because of their excellent physical and mechanical properties. However, titanium has a high melting point (1668 ºC) and inherent reactivity with elements of atmospheric air (oxygen, nitrogen, hydrogen) and with components of several investment materials under high temperatures. The reactions between molten metal and some of the elements of phosphate-bonded and other silica-based investment materials result in the development of a surface contamination zone called “α-case”. To minimize this problem, new investment materials containing less reactive oxides, such as Al2O3, MgO, ZrO2 and CaO have been developed. The commercial silica-, MgO-, Al2O3 - and spinel-based investments especially formulated to titanium casting demand a processing time in a range of 8 to 10 hours. Recently, a new short-cycle spinel-based investment (Trinell - Dentaurum, Ispringen, Germany) was developed. It has a reduced processing time - 5 hours in the furnace- because of an investment drying technique into microwaves oven followed by an initial heating in furnace at 400 °C. However, there are not studies which verify the efficiency of this new investment. The aim of this study was to evaluate the reaction layer, the internal porosity, the surface roughness, the castability and the marginal misfit of titanium castings performed with the new material, Trinell (TR), in comparison to two conventional investments for titanium castings: phosphate-bonded Rematitan Plus (RP) - negative control, and the spinel-based Rematitan Ultra (RU) - positive control. The reaction layer was evaluated by Vickers hardness; the measure of the internal porosity was determined by radiographic test; the surface roughness was measured with a surface-test analyzer, the castability was determined by the percentage of completely... (Complete abstract click electronic access below)
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Pieralini, Anelise Rodolfo Ferreira [UNESP]. "O efeito da técnica de inclusão para fundição de titânio CP na fluidez, rusogidade, camada de reação e desajuste marginal." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/105486.

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Esse estudo avaliou o efeito da tecnica de inclusao de revestimentos fosfatados nafluidez, rugosidade de superficie, camada de reacao (α-case) e adaptacao marginal de copings fundidos em Ti cp. Os padroes foram incluidos de forma convencional ou pela tecnica de inclusao experimental, na qual os padroes foram cobertos comRematitan Ultra – RU previamente a inclusao. Os revestimentos fosfatados estudados foram: Rematitan Plus (RP), Rema Exakt (RE), Castorit Super C (CA) e o revestimento a base de espinelio Rematitan Ultra (RU) foi o grupo controle. Sete grupos experimentais foram constituidos: G1: RU (controle); G2: RP; G3: RP e RU; G4: RE; G5: RE e RU; G6: CA; G7: CA e RU. Para fluidez foram feitos corpos-de-prova quadrados (15 mm X 15 mm X 0.3 mm) e a area (mm2) foi medida por um sistema analisador de imagens (n=8). Para a rugosidade de superficie as medidas (Ra) foram feitas em rugosimetro Mitutoyo (Mitutoyo SJ 400, Kanagawa, Japan) em corpos-de-prova quadrados (12 mm x 12 mm x 2 mm) n =8. A camada de reacao foi analisada por dureza Vickers, micro-analise por energia dispersiva (EDX), microscopia optica e a composicao dos revestimentos. Para dureza Vickers as medidas foram feitas em corpos-de-prova cilindricos (obtidos a partir dos sprues fundidos nos copos-de-prova para o teste de fluidez) em profundidades de 25, 50, 100, 150, 200 e 300Wm da superficie para o centro, em durometro Micromet 2100 (Buehler, Lake Bluff, Illinois, EUA) n= 8. Para a micro-analise por energia dispersiva (EDX) um equipamento EDX LINK ANALYTICAL, modelo QX 2000, com microscopio eletronico LEO (Zeiss - Germany) e detector OXFORD (Oxford Instrumentos de nano-analises Halifax Alta Rotacao WycombeBucks-HP12 3SE, UK) foram feitas em tres areas da camada de reacao (25 Wm, 75Wm e 150 Wm). Para a microscopia optica, as amostras foram polidas e limpas com solucao acida de Kroll por 20 segundos e observadas em Microscopio...
This study evaluated the effect investing technique with phosphate-bonded investment on the castability, surface of roughness, reaction layer (α-case) and marginal coping fit of CP titanium. For all analysis the specimen were coated with Rematitan Ultra - RU (experimental technique), previously to the inclusion (conventional technique) and invested into the phosphate-bonded investments: Rematitan Plus (RP), Rema Exakt (RE), Castorit Super C (CA). The seven groups studied were: G1: RU (control), G2: RP; G3: RP and RU; G4: RE; G5: RE and RU; G6: CA; G7: CA and RU. For castability, square patterns (15 mm X 15 mm X 0.3 mm) were made. The castability area (mm2) was measured by an image analysis system (n=8). The surface roughness was measured (Ra) with a rugosimeter Mitutoyo (Mitutoyo SJ 400, Kanagawa, Japan) in square resin patterns (12 mm x 12 mm x 2 mm) n =8. The reaction layer was analyzed by Vicker’s hardness, Energy Dispersive X-ray microanalysis (EDX), optical microscopy and the investments composition were studied by X ray diffraction (XRD). The Vicker’s hardness measurements were made sprue of castability test in cross – section at depths of 25, 50, 100, 150, 200 and 300Wm from the surface to the interior, using a durometer Micromet 2100 (Buehler, Lake Bluff, Illinois, EUA) n= 8. For Energy Dispersive X-ray microanalysis (EDX) was used an equipment EDX Link Analytical, model QX 2000, with Microscopy Electronic LEO (Zeiss - Germany) with detector Oxford (Oxford Instruments-Nano Analysis Halifax Road High WycombeBucks-HP12 3SE, UK) in three areas of reaction layer (25 Wm, 75Wm e 150 Wm). For the optical microscopy the samples were polished, cleaned and acid etched with the Kroll solution for 20 seconds and observed in an optical microscope Quimis (200 X) attached to an image analyzer Leika Qwin. For the study of the investments composition, samples with... (Complete abstract click electronic access below)
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Books on the topic "Dental casting. Dental Casting Technique"

1

Gladwin, Marcia A. Clinical aspects of dental materials: Theory, practice, and cases. 3rd ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.

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Gladwin, Marcia A. Clinical aspects of dental materials: Theory, practice, and cases. 3rd ed. Philadelphia: Wolters Kluwer Health/Lippincott Williams & Wilkins, 2009.

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D, Bagby Michael, ed. Clinical aspects of dental materials: Theory, practice, and cases. 4th ed. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins Health, 2011.

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Bagby, Michael, and Marcia A Gladwin RDH Ed.D. Clinical Aspects of Dental Materials: Theory, Practice, and Cases. Lippincott Williams and Wilkins, 2017.

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Clinical Aspects of Dental Materials: Theory, Practice, and Cases (Clinical Aspects of Dental Materials). 3rd ed. Lippincott Williams & Wilkins, 2008.

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Clinical Aspects of Dental Materials. Lippincott Williams & Wilkins, 2000.

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Clinical Aspects of Dental Materials: Theory Practice and Cases (Clinical Aspects of Dental Materials). 2nd ed. Lippincott Williams & Wilkins, 2004.

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Parker, Philip M. The 2007-2012 World Outlook for Dental Laboratory Benches, Blow Pipes, Casting Machines, Flasks, Furnaces, Lathes, Polishing Units, Presses, and Other Equipment. ICON Group International, Inc., 2006.

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The 2006-2011 World Outlook for Dental Laboratory Benches, Blow Pipes, Casting Machines, Flasks, Furnaces, Lathes, Polishing Units, Presses, and Other Equipment. Icon Group International, Inc., 2005.

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Parker, Philip M. The 2007-2012 Outlook for Dental Laboratory Benches, Blow Pipes, Casting Machines, Flasks, Furnaces, Lathes, Polishing Units, Presses, and Other Equipment in Japan. ICON Group International, Inc., 2006.

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Book chapters on the topic "Dental casting. Dental Casting Technique"

1

Kim, Sun Jae, Yeong Mu Ko, and Han Cheol Choe. "Pitting Corrosion of TiN Coated Dental Cast Alloy with Casting Methods." In THERMEC 2006 Supplement, 164–68. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-429-4.164.

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Niinomi, Mitsuo, Toshikazu Akahori, Tsutomu Takeuchi, and Shigeki Katsura. "Dental Precision Casting of Ti-29Nb-13Ta-4.6Zr Using Calcia Mold." In Materials Science Forum, 2303–8. Stafa: Trans Tech Publications Ltd., 2005. http://dx.doi.org/10.4028/0-87849-960-1.2303.

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Uriciuc, W. A. "Research about Precision Casting of Removable-Fixed Ensemble Applied in Dental Prosthodontics." In IFMBE Proceedings, 379–82. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-04292-8_83.

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Gurau, Irena, Gheorghe Gurau, and Carmela Gurau. "Copper Based Shape Memory Alloy a Modern Opportunity to Change Classic Casting Dental Alloys." In TMS2013 Supplemental Proceedings, 999–1006. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118663547.ch123.

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Zibowicz, Anna, Anna Woźniak, Bogusław Zibowicz, Grzegorz Chladek, Paulina Boryło, and Witold Walke. "The Study of Electrochemical Properties of Surface Modified Casting Alloys Used in Dental Prosthetics." In Innovations in Biomedical Engineering, 311–26. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-52180-6_33.

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Bergström, Lennart, and Boon Sing Ng. "Direct Gel-Casting of Zirconia for Dental Application: Gelation Kinetics and Pyrolysis of Organic Additives." In Bioceramics 18, 441–44. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-992-x.441.

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Wu, M., I. Wagner, P. R. Sahm, M. Augthun, H. Spiekermann, and J. Schädlich-Stubenrauch. "Dental Prostheses Produced by Integration of Laser Digitizing, Numerical Simulation, Rapid Prototyping into Investment Casting Process." In Materials for Medical Engineering, 102–8. Weinheim, FRG: Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527606149.ch13.

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Mitchell, David A., Laura Mitchell, and Lorna McCaul. "Dental materials." In Oxford Handbook of Clinical Dentistry, 626–65. Oxford University Press, 2014. http://dx.doi.org/10.1093/med/9780199679850.003.0015.

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Contents. Properties of dental materials. Amalgam. Composite resins—constituents and properties. Composite resins—practical points. Enamel and dentine bonding. Dentine-adhesive systems (dentine bonding agents). Glass ionomers. Other glass ionomer/composite-based products. Cements. Impression materials. Impression techniques. Casting alloys. Wrought alloys. Dental ceramics. CAD/CAM. Denture materials—acrylic resins. Denture materials—rebasing. Safety of dental materials.
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"Dental materials." In Oxford Handbook of Clinical Dentistry, edited by Bethany Rushworth and Anastasios Kanatas, 647–85. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780198832171.003.0016.

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This chapter investigates the materials used in dentistry today. This includes the properties of dental materials, amalgam, and composite resins. Enamel and dentine bonding are discussed, along with dentine-adhesive systems, glass ionomers and composite-based products, and cements. Impression materials and techniques are considered, along with casting alloys, wrought alloys, dental ceramics, and computer-aided design (CAD) and computer-aided manufacture (CAM). The chapter concludes with a look at denture materials, from acrylic resins to rebasing, and the safety of dental materials.
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Manappallil, John. "Casting Procedures." In Basic Dental Materials, 255. Jaypee Brothers Medical Publishers (P) Ltd., 2010. http://dx.doi.org/10.5005/jp/books/11146_18.

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Conference papers on the topic "Dental casting. Dental Casting Technique"

1

Padole, Pramod, Rashmi Uddanwadiker, and Harshwardhan Arya. "Linear Finite Element Analysis of a 3-Dimensional Tooth and Its Prototype Model." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95225.

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Dentist, follow root canal therapy to treat teeth with pulpal involvement due to dental caries or as a result of trauma. In order to restore fractured and broken down teeth internal reinforcement is required in the form of a post-core restoration. The post extends into the root canal space and provides retention for the core, which subsequently helps to provide a foundation for the crown restoration. For the treatment procedure, post, core and crown are casted by an indirect procedure by taking the measurements from patient’s tooth in the form of impressions. These impressions are then converted into solid gypsum casts and then wax patterns are developed in order to facilitate casting by the lost wax technique. The final shape of the core and crown and success of the treatment entirely depends upon the skill of the dental technician and involves a number of variables in impressioning, cast poring and wax pattern fabrication. The treatment can be further simplified by making a prototype model of the post, core and the crown by taking the dimensions from the patient’s tooth. This paper presents four prototype models prepared from the solid model of the original tooth and three restored tooth.
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Shanmuga Sundaram, Karibeeran, Gurusami Kiliyappan, and Senthil Kumaran Selvadurai. "The Influence of Laser Irradiation Parameters on Tribological Behaviour of Commercially Pure Titanium for Dental Prostheses." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66524.

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Laser shock peening (LSP) is one of the innovative technique that produces a compressive residual stress on the surface of metallic materials, thereby significantly increasing its fatigue life in applications where failure is caused by surface-initiated cracks. The specimens were treated with laser shock waves with different processing parameters, and characterization studies were made on treated specimens. The purpose of the present study was to investigate the influence of Nd:YAG laser on commercially pure titanium (CP-Ti) used in prosthetic dental restorations. The treatment influenced change in microstructure, micro hardness, surface roughness, and wear resistance characteristics. Though CP-Ti is considered as an excellent material for dental applications due to its outstanding biocompatibility, it is not suitable when high mastication forces are applied. In the present study, pulsed Nd:YAG laser surface treatment technique was adopted to improve the wear resistance of CP-Ti. The wear test pin specimens of CP-Ti were investment cast with centrifugal titanium casting machine. The wear properties of specimens were evaluated after LSP on a “pin-on-disc” wear testing tribometer, as per ASTM G99-05 standards. The results of the wear experiment showed that the treated laser surface has higher wear resistance, micro hardness, and surface roughness compared to as-cast samples. The improvement of wear resistance may be attributed due to grain refinement imparted by LSP processes. The microstructure, wear surfaces, wear debris, and morphology of the specimen were analyzed by using optical electron microscope, scanning electron microscope, and X-ray diffraction (XRD). The data were compared using ANOVA and post-hoc Tukey tests. The characteristic change resulted in increase in wear resistance and decrease in wear rate. Hence, it is evident that the more reliable and removable partial denture metal frameworks for dental prostheses may find its applications.
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Cheng-Yi Yang, Yu-Sheng Lo, and Chien-Tsai Liu. "Developing an interactive dental casting educational game." In 2010 3rd IEEE International Conference on Computer Science and Information Technology (ICCSIT 2010). IEEE, 2010. http://dx.doi.org/10.1109/iccsit.2010.5564029.

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Yang, Cheng-Yi, Yu-Sheng Lo, and Chien-Tsai Liu. "Using Haptic Technology to Design Computer Assisted Learning Systems for Dental Casting Training—In the Case of Melting Palladium Silver Alloy with a Dental Lost-wax Casting Blow Torch." In 2009 International Conference on Education Technology and Computer. IEEE, 2009. http://dx.doi.org/10.1109/icetc.2009.68.

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Leu, Ming C., and Parthiban Delli. "Digital Manufacturing of Implant Based Dental Restorations." In ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2008. http://dx.doi.org/10.1115/esda2008-59242.

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Traditional methods of producing dental bars for overdentures involve tedious and time-consuming operations that demand substantial human labor and demanding skills. Though there exist several CAD/CAM systems that have been developed for various dental restorations like bridges, crowns, etc., there exists no commercial CAD/CAM system at present for design and fabrication of dental restorations for missing multiple teeth. In the research described in the present paper, CAD models of dental bars for implant-retained dental restorations were used as input for three types of fabrication processes: rapid prototyping followed by investment casting, CNC milling, and direct digital manufacturing. Details of material and process combinations and results of comparing these three types of processes, including an analysis on dimensional accuracy, are discussed.
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Faure, S. P., L. Mercier, P. Didier, R. Roux, J. F. Coulon, S. Garel, J. Trenit, H. Buard, and F. Razan. "Laser Sintering Process Analysis: Application to Chromium-Cobalt Alloys for Dental Prosthesis Production." In ASME 2012 11th Biennial Conference on Engineering Systems Design and Analysis. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/esda2012-82108.

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Rapid prototyping is an effective way to build prototypes. This process, now called AM (Additive Manufacturing), is suited to realize functional single part or for small batch production. Evolution of AM is now in the way of serial production. In the field of medical applications and more precisely dentistry, AM is a way of increasing numbers of elements produced compared to classic production by lost wax casting. To increase production quality, it is necessary to have a high monitoring and control of process and properties of production. In the case of AM using (DMLS: Direct Metal Laser Sintering), a lot of parameters can have an influence on the elements production quality such as powders quality, laser behavior or sintering time… The goal of this work is to study the serial production quality using a DMLS system (Phenix System PM100). This system is used in production of cobalt-chromium elements for dental applications. The study was done on a period of 6 months with recording results of almost 120 productions and was focused on a quantity of around 7000 dental elements produced. In a first part, number of elements per production, room temperature and hygrometry, powder reloading, maintenance, production stops and new operators are recorded. Material properties of some elements produced such as dimensional properties, density, porosity and crystallographic phases are monitored. Materials analysis has led to ensure the elements quality produced by the Phenix system and results are discussed in this work. In a second part, we focused on the production analysis with the recorded data. Analysis leads to define 2 ratios: production ratio RP defined as [Elements Number]/ [Productions Number] and the efficiency production PE defined as the ratio RP/[Stopped production number]. By calculating RP and PE values with collected data on the Phenix system, a PM 100 efficiency production modeling has been established. The PM 100 production modeling can help to understand that increasing the production ratio RP value leads to have efficiency production PE high variation. On another hand, collecting production parameters leads to increase production efficiency.
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Liu, Michael, and Mathew Kuttolamadom. "Characterization of Co-Cr-Mo Alloys Manufacturing via Directed Energy Deposition." In ASME 2021 16th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/msec2021-64111.

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Abstract In this study, Co-Cr-Mo samples that were fabricated via directed energy deposition (DED) at various laser powers and powder feed rates were characterized to ascertain their microstructure and mechanical properties. Co-Cr-Mo is a common alloy for total hip and knee replacements, dental, and support structures due to its biocompatibility, hardness and abrasion resistance, making them a preferred alloy for metal-on-metal (MOM) contact. This study was undertaken to understand the pertinent process parameters that would generate structurally viable bulk structures. High-resolution microscopy and spectroscopy revealed the presence of networked and jagged carbides with varying amounts of Mo. Further, XRD confirmed the presence of the γ and ε phases. Micro- and nano-scale characterization of the alloy fabricated at different process conditions showed material properties in line with those made via traditional processing approaches such as casting. Altogether, this investigation provided an understanding of the effect of additive manufacturing process parameters on the microstructure and properties of Co-Cr-Mo.
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