Accuracy of Rapid Prototyping Biomodels Plotted by Three Dimensional Printing Technique: Ex Vivo Study

Abstract

The rapid prototyping biomodels manufacturing is a recent technology with great importance in oral and maxillofacial surgery. It provides a better surgical planning, decrease of anesthesia time and great functional and esthetic results. The aim of this experimental study was to evaluate the accuracy of rapid prototyping biomodels built by three-dimensional printing (3DP) technique, since this is one of the least expensive methods available. Linear measurements of standardized bone defects and anatomic distances were compared using a digital caliper of high precision in nine dry mandibles (gold standard) and their respective biomodels. The Bland-Altman test was used for statistical analysis (5% level of significance). The results showed strong concordance between the dry mandibles and their respective biomodels, with discrepancies smaller than 2 mmin most cases (97.4%). We can conclude that the biomodels built by 3DP technique can be used for surgical planning in Dentistry.

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Safira, L. , Bastos, L. , Beal, V. , Azevedo, R. , Francischone, C. and Sarmento, V. (2013) Accuracy of Rapid Prototyping Biomodels Plotted by Three Dimensional Printing Technique: Ex Vivo Study. Advances in Computed Tomography, 2, 41-45. doi: 10.4236/act.2013.22008.

Conflicts of Interest

The authors declare no conflicts of interest.

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