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The evaluation of the accuracy of shape imaging of prosthetic abutment

Ryniewicz W. I., Ryniewicz A. M., Wiśniewska G.

Acta of Bioengineering and Biomechanics

2016

Vol. 18, no. 2

43--50

Purpose: The aim of the study was the in vitro evaluation of the accuracy of shape imaging of abutment teeth using different impression compounds. Methods: To compare the accuracy of the shape of the numerically imaged real prosthetic abutments with the tested models of abutments obtained with the replica technique, the Geomagic Qualify program was applied. Making use of the licensed program Statistica, statistical analysis of the results obtained was conducted. Results: In the research procedures, analyses were conducted for 10 abutment premolars and 10 abutment molars. The tests allowed us to state that the dimensional accuracy of the models of prosthetic abutments obtained with the application of elastic compounds tested ensures comparable shape imaging. Conclusions: The objective method developed and applied here is suitable for controlling the imaging of the abutment teeth. The Geomagic Qualify program that was used during the research is a reliable tool of 3D analysis for the estimation of procedure of abutment tooth preparation and indication of an error of shape of prepared occlusal surface, lateral surface of abutment and errors of shaping the chamfer zone.

Modelowanie koron i ocena dokładności odwzorowania kształtu filarów protetycznych

Ryniewicz W., Ryniewicz A. M., Bojko Ł.

Przegląd Elektrotechniczny

2014

R. 90, nr 5

146--149

Celem opracowania była ocena in vitro dokładności odwzorowania pola protetycznego z zastosowaniem różnych mas wyciskowych. Dla porównania dokładności kształtu odwzorowanych numerycznie rzeczywistych filarów protetycznych z modelami filarów testowych uzyskanych techniką replik zastosowano program Geomagic Qualify. Badania pozwoliły stwierdzić, że dokładność wymiarowa modeli filarów protetycznych uzyskanych z wykorzystaniem badanych mas elastycznych, zapewnia odwzorowanie kształtu dla procedur modelowania i wykonawstwa koron.

The aim of the study was to evaluate in vitro the accuracy of the prosthetic field mapping using different impression materials. For comparison, the accuracy of the shape of the mapped numerically the real prosthetic abutments with models of the test abutments obtained a replica technique used program Geomagic Qualify. The study revealed that dimensional accuracy of the models prosthetic abutments obtained with the using of surveyed the elastic masses, provides mapping the shape for the modeling procedures and execution of crowns.