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Production of Dental Materials by Computer-Aided Manufacturing Technologies

Amit Kumar Verma

Abstract


The aim of the present paper is to make a review of the modern trends in the development of the technologies for production of dental materials. An understanding of the currently available bonding strategies to CA/CAM materials can help the clinician to select the most indicated system for each category of materials. Three are the main trends in production technologies in dentistry last 30 years: digitalization, simulation and implementation of additive technologies. The simulation occurred first and due to the computers development, it underwent fast progress from the mathematical calculations and analytical analysis to the 3D modeling and visualization. Thus, computer aided engineering (CAE) was developed, allowing dental constructions with optimal design to be produced by optimal technological regimes. The first Computer Aided Design (CAD) – Computer Aided Manufacturing (CAM) systems were created in 1970s as a result of the digitalization. In this mode of operation at first virtual 3D model is generated by CAD, which then is used for production of the real construction by CAM. In the late 1980sthe new approach to the production of constructions appeared – by addition of material layer by layer. The additive technologies were developed. They characterize with building of one layer at a time from a powder or liquid that is bonded by means of melting, fusing or polymerization. Stereo lithography, fused deposition modeling, selective electron beam melting, laser powder forming and inkjet printing are the methods, mostly used in dentistry. Due to the great variety of the additive manufacturing processes various materials can be used for production of different dental constructions for application in many fields of dentistry. The simulation, digitalization and implementation of additive technologies in dentistry led to fast development of the technologies for production of dental constructions last decade. As a result, many of manual operations were eliminated, the constructions’ accuracy increased and the production time and costs decreased.

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DOI: https://doi.org/10.37628/jcam.v3i1.349

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