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Difference between manual and digital measurements of dental arches of orthodontic patients.

Abstract：

:The objective of this study was to compare the differences between the measurements performed manually to those obtained using a digital model scanner of patients with orthodontic treatment.A cross-sectional study was performed in a sample of 30 study models from patients with permanent dentition who attended a university clinic between January 2010 and December 2015. For the digital measurement, a Maestro 3D Ortho Studio scanner (Italy) was used and Mitutoyo electronic Vernier calipers (Kawasaki, Japan) were used for manual measurement. The outcome variables were the measurements for maxillary intercanine width, mandibular intercanine width, maxillary intermolar width, mandibular intermolar width, overjet, overbite, maxillary arch perimeter, mandibular arch perimeter, and palate height. The independent variables, besides age and sex, were a series of arc characteristics. The Student t test, paired Student t test, and Pearson correlation in SPSS version 19 were used for the analysis.Of the models, 60% were from women. Two of nine measurements for pre-treatment and 6 of 9 measurements for post-treatment showed a difference. The variables that were different between the manual and digital measurements in the pre-treatment were maxillary intermolar width and palate height (P < .05). Post-treatment, differences were found in mandibular intercanine width, palate height, overjet, overbite, and maxillary and mandibular arch perimeter (P < .05).The models measured manually and digitally showed certain similarities for both vertical and transverse measurements. There are many advantages offered to the orthodontist, such as easy storage; savings in time and space; facilitating the reproducibility of information; and conferring the security of not deteriorating over time. Its main disadvantage is the cost.

journal_name

Medicine (Baltimore)

journal_title

Medicine

authors

Jiménez-Gayosso SI,Lara-Carrillo E,López-González S,Medina-Solís CE,Scougall-Vilchis RJ,Hernández-Martínez CT,Colomé-Ruiz GE,Escoffié-Ramirez M

doi

10.1097/MD.0000000000010887

subject

Has Abstract

pub_date

2018-06-01 00:00:00

pages

e10887

issue

eissn

0025-7974

issn

1536-5964

pii

00005792-201806010-00038

journal_volume

pub_type

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Difference between manual and digital measurements of dental arches of orthodontic patients.