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Original Article

Reliability of software for tooth measurements with cone beam

2011, Volumen 41, Número 1
Gloria González Montoto, Martín Puente Rodríguez, Eliseo Plasencia, Luis Carlos Hernández, Luciano Galbán, Vicente Martínez
Odontóloga. Máster en Ortodoncia. Universidad de Oviedo. Oviedo, Asturias

Introduction. Until now the discrepancy between dental bone and Bolton index is studied by means of cast models. The objective of this work is to assess the validity and reliability of these measurements when performed on 3-D cone beam computed tomography (CBCT) reconstructions. Methods. CBCT and cast models were made of 26 subjects. The discrepancy between dental bone and Bolton index was measured on each of the supports for each subject. The data underwent statistical analysis to contrast the effectiveness of this technique. Results. No significant difference was found between the measurements obtained using the traditional method versus the 3-D reconstructions. Conclusions. These results corroborate the usefulness of CBCT reconstructions as a substitute for traditional casts in carrying out metric analyses of dentition. Studying CBCT models is faster and more reliable than the traditional method.  (Rev Esp Ortod. 2011;41(1):023-030)

Key words:
Bolton discrepancy. Cone beam.
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