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Development of treatment protocol with selective laser melted fixed partial dentures

Dzhendov D., Katreva I., Dikova T.

Archives of Materials Science and Engineering

2018

Vol. 90, nr 2

68--73

Purpose: of the present paper is to offer treatment protocol with fixed partial dentures, produced by selective laser melting, including clinical and laboratory parts. Design/methodology/approach: The treatment protocols with selective laser melted fixed partial dentures was developed on the basis of literature survey and our previous research about accuracy and mechanical properties of dental bridges, manufactured by additive technologies. Findings: The treatment protocol with fixed partial dentures, produced by selective laser melting, consisting of clinical and laboratory parts, was developed. The treatment procedures with FPD made by SLM were classified as semi-digital when working with extraoral scanner and fully-digital - with intraoral scanner. Research limitations/implications: The introduction of the proposed treatment protocol into the clinical and laboratory practice would lead to a systematic approach and working optimization for prosthodontists and dental technicians when using selective laser melting. Practical implications: Due to the elimination of multiple manual manipulations and technological operations, treatment protocols with FPD, produced by SLM, ensure higher accuracy and quality of the constructions and shorter time for their manufacturing compared to the conventional procedure. Originality/value: The developed clinical and laboratory protocols for the treatment and manufacturing of FPD through SLM clearly show the benefits of the new technology in dentistry and dental technician field.

Measurement of strains and stresses in fixed partial dentures

Colosi H., Constantiniuc M., Bejan M., Cretu A.

Acta of Bioengineering and Biomechanics

2000

Vol. 2, nr 2

51-57

The purpose of this study was to determine strain distribution in fixed partial dentures (FPD). The results of strain measurements in some specific regions of the FPD served as input data for an original computer-aided method of modelling and simulation of masticatory dynamics and strain distribution in FPD during mastication. The principal experimental findings show a proportional relation between the loads applied and the specific linear deformations of the surfaces of each FPD being analyzed.