Accuracy of Linear Measurements of Dental Models Scanned Through 3D Scanner and ConeBeam Computed Tomography in Comparison with Plaster Models

Título

Description

Introducción y objetivo: La planificación quirúrgica virtual para la simulación de cirugías ortognatica utiliza datos clínicos, pruebas de imagen, modelos de yeso y fotos clínicas. Hay dos formas de realizar el escaneo de los modelos de yeso: escaneo con la tomografía computarizada de haz cónico (CBHC) o escáner 3D. El propósito de este estudio fue evaluar la precisión y el grado de alteración de las imágenes del modelo de yeso obtenidas a través del escáner 3D y la CBHC. Materiales y métodos: El grupo control fue la medida realizada en 40 modelos de yeso con el calibrador Mitutoyo. Los mismos 40 modelos fueron escaneados a través de un escáner 3D y CBHC para comparar el grado de distorsión. Los modelos fueron evaluados en el software Dolphin. Se realizaron seis medidas en los arcos superior e inferior: distancia intermolar; distancia intercanina; segmento A; segmento B; Distancia mesiodistal y cervico-incisal del incisivo central del lado derecho. Resultados: No hubo diferencia estadísticamente significativa para los modelos superiores e inferiores. Sin embargo, la CBHC tuvo un grado de distorsión de 2.34%, mientras que el escáner 3D presentó un grado de distorsión de 2.37% comparando el grado de distorsión de ambos métodos con el calibrador digital. Conclusión: Solo las distancias de los segmentos A y B del modelo superior no fueron compatibles en ambos métodos de escaneo con las medidas del calibrador digital. Sin embargo, considerando todas las mediciones, el escáner 3D y la CBCT son confiables para realizar medidas lineales en modelos digitales, son suficientemente adecuados para el diagnóstico inicial y son clínicamente aceptables en las prácticas clínica odontológica.

Relation

Grupo de Ciencias Odontológicas Unicoc

Creator

Sigua Rodriguez, Eder Alberto

da Silva-Dantas, Léuri Antunes

Yamashita, Amanda Lury

Chicarelli, Mariliani

Vessoni-Iwaki, Lilian Cristina

Iwaki Filho, Liogi

Mediator

Centro de Investigación Colegio Odontológico - CICO

Date Issued

2019-11-26

Abstract

Introduction and objective: Virtual surgical planning uses clinical data, image testing, plaster models of dental arches and clinical photos to simulate an orthognathic. There are two ways to perform the scanning of plaster models: scanning for cone-beam computed tomography (CBCT) or 3D scanner. The purpose of this study was to assess the accuracy and the degree of magnification of plaster model images obtained through 3D scanner and CBCT. Materials and methods: The control group was the measurement performed on 40 plaster models by Mitutoyo caliper. The same 40 models were scanned through 3D scanner and CBCT in order to compare the degree of distortion. The models were tested on the Dolphin software. Six measurements were performed in upper and lower arches: intermolar distance; intercanine distance; segment A; segment B; mesiodistal and cervicoincisal distance of the right-side central incisor. Results: There was no statistically significant difference for upper and lower models. However, CBCT had the degree of distortion of 2.34%, while the 3D scanner presented the degree of distortion of 2.37% comparing the degree of distortion of both methods with the digital caliper. Conclusions: It can be concluded that only the distances of segments A and B of the upper model were not compatible in both scanning methods with the measurements of digital caliper. However, considering all of the measurements, 3D scanner and CBCT are trustworthy to perform linear measurements on digital models and are sufficiently adequate for initial diagnosis and and are clinically acceptable in clinical dental practices.

Extent

10. pp

Format

application/pdf

doi

https://doi.org/10.21615/cesodon.32.2.1

issn

0120-971X

2215-9185

Lenguaje

Inglés

Publisher

Universidad CES

page end

16

issue

2

page start

8

Fuente

CES Odontología

Repositorio Institucional Unicoc - RI-Unicoc

volume

32

Is Part Of

CES Odontología, ISSN: 0120-971X; ISSNe; 2215-9185, Vol. 32, No. 2, (Julio - Diciembre 2019), pp. 8-16

uri

https://revistas.ces.edu.co/index.php/odontologia/article/view/5346

Access Rights

openAccess

Bibliographic Citation

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Subject

Cone beam Computed Tomography (CBCT)

Orthognathic surgery

Dental arch

Tomografía computarizada de haz cónico (CBCT)

Cirugía ortognática

Arco dental

Alternative Title

Exactitud de las mediciones lineales de modelos dentales digitalizados a través de escáner 3D y tomografía computarizada de haz cónico en comparación con modelos de yeso

Tipo

Artículo

current project

Grupo de Ciencias Odontológicas Unicoc

number of pages

10. pp

Identifier

https://revistas.ces.edu.co/index.php/odontologia/article/view/5346

Elemento