Accuracy of digital and analogue cephalometric measurements assessed with the sandwich technique

American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics
Margherita SantoroThomas J Cangialosi

Abstract

The purpose of the study was to evaluate the accuracy of cephalometric measurements obtained with digital tracing software compared with equivalent hand-traced measurements. In the sandwich technique, a storage phosphor plate and a conventional radiographic film are placed in the same cassette and exposed simultaneously. The method eliminates positioning errors and potential differences associated with multiple radiographic exposures that affected previous studies. It was used to ensure the equivalence of the digital images to the hard copy radiographs. Cephalometric measurements instead of landmarks were the focus of this investigation in order to acquire data with direct clinical applications. The sample consisted of digital and analog radiographic images from 47 patients after orthodontic treatment. Nine cephalometric landmarks were identified and 13 measurements calculated by 1 operator, both manually and with digital tracing software. Measurement error was assessed for each method by duplicating measurements of 25 randomly selected radiographs and by using Pearson's correlation coefficient. A paired t test was used to detect differences between the manual and digital methods. An overall greater variability in the digital c...Continue Reading

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Citations

Jan 28, 2012·Journal of Huazhong University of Science and Technology. Medical Sciences = Hua Zhong Ke Ji Da Xue Xue Bao. Yi Xue Ying De Wen Ban = Huazhong Keji Daxue Xuebao. Yixue Yingdewen Ban·Lili ChenHuaifei Hu
Feb 25, 2009·European Journal of Orthodontics·Erkan CelikT Ufuk Toygar Memikoglu
Apr 4, 2009·European Journal of Orthodontics·Julia Naoumova, Rolf Lindman
Apr 8, 2009·European Journal of Orthodontics·Omur Polat-OzsoyT Ufuk Toygar Memikoglu
Jun 18, 2010·European Journal of Orthodontics·Georgios Tsorovas, Agneta Linder-Aronson Karsten
Apr 20, 2011·European Journal of Orthodontics·Mustafa ErkanBaris Demirel
Sep 16, 2009·Journal of Biomedicine & Biotechnology·Rosalia LeonardiFrancesco Maiorana
Jun 7, 2013·Journal of Applied Oral Science : Revista FOB·Ricardo de Lima NavarroRenato Rodrigues de Almeida
Oct 29, 2013·The Angle Orthodontist·Cecilia Goracci, Marco Ferrari
Nov 9, 2010·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Janalt DamstraYijin Ren
Nov 4, 2008·International Journal of Oral and Maxillofacial Surgery·M D VosF Bierenbroodspot
Jun 10, 2008·American Journal of Orthodontics and Dentofacial Orthopedics : Official Publication of the American Association of Orthodontists, Its Constituent Societies, and the American Board of Orthodontics·Sang-Hun YuSeung-Hak Baek
Oct 28, 2008·Orthodontics & Craniofacial Research·H ArponenJ Waltimo-Sirén
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May 6, 2009·The Angle Orthodontist·S S HujaF M Beck
Jan 30, 2015·Dental press journal of orthodontics·Olavo Cesar Lyra PortoCarlos Estrela

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