Assessment of reproducibility in the identification of anatomical landmarks obtained from lateral cephalogram of dry skulls with and without metal handles

Authors

  • Nádia Assein Arús Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
  • Mariana Boessio Vizzotto Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
  • Priscila Fernanda da Silveira Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
  • Leticia Ruhland Correa Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
  • Heraldo Luis Dias da Silveira Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul
  • Heloísa Emília Dias da Silveira Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

DOI:

https://doi.org/10.22456/2177-0018.28019

Keywords:

reproducibility, cephalometry, anatomical points, imaging diagnosis

Abstract

Objectives: This study evaluated cephalometric measurements from lateral chephalograms of dry skulls with and without metal points on anatomical landmarks. Materials and methods: Ten dry skulls were used for the acquisition of twenty radiographs divided into two groups: ten radiographs with metal points on anatomical landmarks (gold standard) and ten without the identifiers. A specialist in oral radiology, trained and calibrated, carried out the cephalometric analysis in both groups. Comparisons were performed using paired t-test and Bland & Altman coefficient of repeatability. Results: The results of repeatability coefficient showed statistically differences in some cephalometric measurements performed in cephalograms without the metal markers. Conclusion: An examiner, even if calibrated, is subject to errors in cephalometric measurements. Therefore, the intra-examiner calibration may not reflect certainty of accuracy but the repetition of errors.

Downloads

Download data is not yet available.

Author Biographies

Nádia Assein Arús, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Mariana Boessio Vizzotto, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Priscila Fernanda da Silveira, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Leticia Ruhland Correa, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Heraldo Luis Dias da Silveira, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Heloísa Emília Dias da Silveira, Faculdade de Odontologia da Universidade Federal do Rio Grande do Sul

Departamento de Cirurgia e Ortopedia - Radiologia - UFRGS

Downloads

Published

2011-03-04

How to Cite

Arús, N. A., Vizzotto, M. B., da Silveira, P. F., Correa, L. R., da Silveira, H. L. D., & da Silveira, H. E. D. (2011). Assessment of reproducibility in the identification of anatomical landmarks obtained from lateral cephalogram of dry skulls with and without metal handles. Revista Da Faculdade De Odontologia De Porto Alegre, 52(1/3), 15–17. https://doi.org/10.22456/2177-0018.28019

Issue

Vol. 52 No. 1/3 (2011)

Section

Original articles

License

All articles published in this journal adhere to Creative Commons License Attributions 4.0 (CC BY 4.0), and its use must be ruled by its licensed means. Authors are allowed to agree to additional and separate contracts for the non-exclusive distribution of the article published in this journal, such as publishing in an institutional repository, as long as the article has a recognition of authorship and first publication in this journal.