Modern partial dentures - part 1: novel manufacturing techniques

Barraclough, Olivia; Gray, David; Ali, Zulfiqar; Nattress, Brian

doi:10.1038/s41415-021-3070-4

Cited by 14 publications

(13 citation statements)

References 24 publications

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“…Progress in bracket design software and processing equipment has allowed for custom-designed denture parts, which can be produced using high-precision computer numerical controlled milling or 3D printing systems. 18,19 Merging impression trays and arch tracers to create a single STL file and 3D print the desired components streamlines the clinical and laboratory processes. 20 In addition, compared with the Massad Jaw Recorder starter kit and Gnathometer CAD, the present customized arch tracer was equipped with a hand shank, which can fit the facebow and support jaw relation transferring.…”

Section: Discussionmentioning

confidence: 99%

“…Progress in bracket design software and processing equipment has allowed for custom‐designed denture parts, which can be produced using high‐precision computer numerical controlled milling or 3D printing systems 18,19 . Merging impression trays and arch tracers to create a single STL file and 3D print the desired components streamlines the clinical and laboratory processes 20 .…”

Section: Discussionmentioning

confidence: 99%

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Recording jaw relation of a pediatric patient with ectodermal dysplasia and complete anodontia using a digital mini arch tracer: A case report

Sun

Tan

Zhang

et al. 2022

Journal of Prosthodontics

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Children with ectodermal dysplasia and complete anodontia experience difficulties in oral rehabilitation because of the small arch size. A case of a 7‐year‐old boy, whose arch size (length and width) was 30‐40% smaller than that of a male adult and who presented with difficulties in jaw relation recording using commercially available devices is described. A digital workflow involving a mini arch tracer was introduced. Primary impressions were made using three‐dimensionally (3D) printed mini trays produced based on the patient's computed tomography images, and digital primary casts were obtained based on the scanned and reversed primary impressions. The final custom impression trays with mini tracing plates were designed based on the primary casts. In addition, the hand shank, retention plate, and retainers were placed on the designed custom trays and 3D‐printed to produce an individual arch tracer system. In addition, two height‐checking buckles were designed to help adjust the height of a tracing screw. Finally, the jaw relation of the patient was recorded and transferred, and a set of complete dentures were delivered, satisfying both the patient and his family.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Recording jaw relation of a pediatric patient with ectodermal dysplasia and complete anodontia using a digital mini arch tracer: A case report

Sun

Tan

Zhang

et al. 2022

Journal of Prosthodontics

View full text Add to dashboard Cite

show abstract

“…[2,10]. Allow for customized prostheses without the need for considerable manual pre-or post-processing [50]. Powder bed fusion SLS Metal It allows reducing the time.…”

Section: Methodsmentioning

confidence: 99%

“…Selective laser melting (SLM) is elemental metal, or alloy powder deposition technique is closely followed by an additive CAM continuous layering build-up procedure using laser melting, a finished shape is produced control by a computer [50]. The basic component of the SLM device is (leveling system, unmelted powder bed, and printed part), (see Fig.…”

Section: Selective Laser Melting (Slm)mentioning

confidence: 99%

Methods of Additive Manufacturing for Dental Co-Cr Alloys: Systematic Review

Alwan

Kanaan

2022

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Additive manufacturing is a popular method of producing items directly from digital models through a layer-by-layer material build-up process. To evaluate the Current State of Knowledge on Dental Co-Cr Alloy Additive Manufacturing Techniques. Innovative additive printing technologies have made it possible to produce intricate dental components customized for each patient. This study investigated the manufacturing method (build orientation and process parameters), post-processing techniques, and metallic powders utilized in dental applications (stress relieving, surface finishing). The databases PubMed, Science Direct, Mendeley, and Google Scholar were used to carry out an electronic search. A manual search of pertinent article citations was also carried out; inclination angle, stress relieving, heat treatment, cobalt-chromium, selective laser melting, selective laser sintering, and powder bed fusion, dentistry were some of the keywords utilized. Although this publication tries to contain the most recent study from the previous eleven years (2010–2021), and to explain the materials powders and metal used in dental applications. A cutting-edge technique called additive manufacturing uses a layer-by-layer approach to material build-up to produce things directly from digital models. It is missing a tool, a manufacturing process that produces fully thick metallic components quickly and with good precision. Qualities of additive aspects of production such component design flexibility, part complexity, light- weighting, component consolidation, and functional design are generating specific interest in the additive fabrication of metal for use in automotive, marine, oil & gas, and aerospace industries during powder bed fusion, each layer of the powder bed is only partially fused employing a laser or electron beam as an energy source, the recent and most promising additive manufacturing technologies utilized to produce intricate, low-volume, tiny metallic parts. By using computer-aided design (CAD) technology, recent developments in digital dentistry have changed dental offices and dental laboratories, by utilizing 3D printing because precise metal framework fitting and technique faster.

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“…The building layer is formed by the instant solidification consequence of fully melted particles [2]. Among the appropriate alloy powders for this system is the cobalt chrome Co-Cr alloy, for which the feasibility of SLM production of metal prosthesis frames enhances precision that exceeds that of traditional casting production [3]. Whilst as discerned, the SLM tends to involve roughness as a result of the disparity of the layering process, which renders subdued opportunities for surface quality for products concomitantly confronted with a difficult post-process of finishing the surface [4 -6].…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Ultrasonic Machine for Surface Finishing of 3D-Printed Cobalt-Chromium Alloy by Selective Laser Melting Technology

Ahmad¹,

Hummudi²

2022

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The selective laser melting (SLM) system reaches the status of a contender with the traditional casting of dental alloys, with the essential drawback that it is conducive to roughness, making surfaces difficult to finish by the conventional method. Ultrasonic machines (USM) are instrumentally sensible for processes involving metal surface adjustments. This study aims to assess the surface roughness for SLM by using USM instead of conventional finishing. The discs of cobalt chromium alloy were printed by SLM (n = 20) and evenly divided into two groups: one for finishing in compliance with the manufacturer's standard procedure, and the other for employing USM. The specimens were evaluated using the Surface Roughness Test, and the data was analyzed using the t-test. Highly significant differences were found at P < 0.01. Furthermore, the mean value accounted for a low level of readings (Ra) in the USM group, which amounted to 1.707, and with regard to the control group, it was 4.539. Ultrasonic finishing processes promote the competence of the finishing procedure and improve the surface quality for dental cobalt chromium alloys that are printed by SLM technology.

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Modern partial dentures - part 1: novel manufacturing techniques

Cited by 14 publications

References 24 publications

Recording jaw relation of a pediatric patient with ectodermal dysplasia and complete anodontia using a digital mini arch tracer: A case report

Recording jaw relation of a pediatric patient with ectodermal dysplasia and complete anodontia using a digital mini arch tracer: A case report

Methods of Additive Manufacturing for Dental Co-Cr Alloys: Systematic Review

Assessment of the Ultrasonic Machine for Surface Finishing of 3D-Printed Cobalt-Chromium Alloy by Selective Laser Melting Technology

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