DOI:

10.37988/1811-153X_2021_1_131

Results of the study of digital images of the bases of complete removable prostheses made using 3D printing and traditional technologies

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Authors

  • Yu.A. Vokulova 1, PhD in Medical Sciences, prosthodontist, head of the Dentistry division
    ORCID: 0000-0001-5220-2032
  • E.N. Zhulev 2, PhD in Medical Sciences, full professor of the Prosthodontics and orthodontics Department
    ORCID: 0000-0001-9539-3350
  • 1 Russian Federal customs service Dental clinic no. 2, 603098, Nizhny Novgorod, Russia
  • 2 Privolzhsky Research Medical University, 603005, Nizhniy Novgorod, Russia

Abstract

The aim is to study the dimensional accuracy of the bases of complete removable prostheses made using digital and traditional technologies.
Materials and methods.
Bases of complete removable prostheses were made using an intraoral laser scanner iTero Cadent (USA) and a 3D printer Asiga Max UV (Australia). Digital images of the bases of complete removable prostheses were studied using the MeshLab computer program. The nonparametric Mann—Whitney U-test was used for statistical analysis of the obtained data.
Results.
Based on the data obtained, it was found that the bases of complete removable prostheses made using modern digital technologies have greater dimensional accuracy (average median distance 0.0771±0.0158 mm) compared to the bases of complete removable prostheses made using the traditional method (average median distance 0.1357±0.0277 mm) with a significance level of p<0.05 (U=0, p=0.002).
Conclusion.
Scanning the toothless upper jaw in an experiment with an intraoral laser scanner makes it possible to produce complete removable prostheses with high dimensional accuracy using the 3D printer from the bioinert photopolymer material NextDent Base.

Key words:

digital technologies in dentistry, digital impressions, ExoCAD, intraoral scanner, 3D printing, complete removable prostheses

For Citation

[1]
Vokulova Yu.A., Zhulev E.N. Results of the study of digital images of the bases of complete removable prostheses made using 3D printing and traditional technologies. Clinical Dentistry (Russia).  2021; 1 (97): 131—135. DOI: 10.37988/1811-153X_2021_1_131

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Received

November 12, 2020

Published on

March 1, 2021