VALIDATION OF 3D METRIC AND SUPERIMPOSITION TOOLS IN THREE SOFTWARE PACKAGES FOR THE MORPHOLOGICAL COMPARISON OF LASER SCANNED ANTERIOR DENTITION MODELS

Autores

  • Ademir Franco PUC-PR
  • Guy Willems Department of Oral Health Sciences – Forensic Dentistry, KU Leuven & Dentistry, University Hospitals Leuven, Leuven, Belgium.
  • Paulo Henrique Couto Souza Stomatology, School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil.
  • Sérgio Aparecido Ignácio Biostatistics, School of Health and Biosciences, Pontifícia Universidade Católica do Paraná, Curitiba, Brazil.
  • Patrick Thevissen Department of Oral Health Sciences – Forensic Dentistry, KU Leuven & Dentistry, University Hospitals Leuven, Leuven, Belgium.

DOI:

https://doi.org/10.21117/rbol.v3i2.2

Palavras-chave:

Forensic sciences, forensic dentistry, dentition, morphology, 3D imaging, software

Resumo

Introduction: Few studies succeeded on demonstrating that dentitions are unique. Methodological limitations may have influenced these outcomes. Objective: The present study aims to validate software packages for comparing human dentitions. Material and methods: A pool of 40 dental casts were laser scanned (XCAD 3D®, XCADCAM Technology®, São Paulo, Brazil) and implemented in Geomagic Studio® (GS) (3D Systems®, Rock Hill, USA), Cloud Compare® (CC) (Telecom Paris Tech® and EDF®, Paris, France), and Maestro 3D Ortho Studio® (MS) (AGE Solutions®, Pontedera, Italy) software packages to evaluate metric and superimposition tools. Results: Software performances did not significantly differ (p>0.05) considering cropping, landmarking and superimposition functions. GS was more precise for detecting identical models (p<0.05). Inter and intra examiner reproducibility reached optimal outcomes. Calibration was assured for software measuring tools and scanning process. Conclusion: Both GS and CC may be used for comparing 3D anterior dentitions. However, more practical and less operator-depending procedures are available in GS.

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Publicado

2016-06-29

Edição

v. 3 n. 2 (2016): RBOL

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Artigo original

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