Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws

Purpose: Due to the extensive use of cone-beam computed tomography (CBCT) in dentistry, especially in measuring thicknesses of hard and soft tissues, and the fact that CBCT has low contrast resolution, the aim of this study was to evaluate the accuracy of CBCT in measuring soft tissue thickness. Mat...

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Main Authors: Ehsan Moudi, Sina Haghanifar, Maryam Johari, Hemmat Gholinia, Mohammad Kazemi Ghanbarabadi
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2019-01-01
Series:Journal of Indian Society of Periodontology
Subjects:
Online Access:http://www.jisponline.com/article.asp?issn=0972-124X;year=2019;volume=23;issue=4;spage=334;epage=338;aulast=Moudi
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author Ehsan Moudi
Sina Haghanifar
Maryam Johari
Hemmat Gholinia
Mohammad Kazemi Ghanbarabadi
author_facet Ehsan Moudi
Sina Haghanifar
Maryam Johari
Hemmat Gholinia
Mohammad Kazemi Ghanbarabadi
author_sort Ehsan Moudi
collection DOAJ
description Purpose: Due to the extensive use of cone-beam computed tomography (CBCT) in dentistry, especially in measuring thicknesses of hard and soft tissues, and the fact that CBCT has low contrast resolution, the aim of this study was to evaluate the accuracy of CBCT in measuring soft tissue thickness. Materials and Methods: In this cross-sectional study, pink baseplate wax as a soft tissue simulation was overlaid in different areas of the jaws on the dry human skull, and the probe was used to determine the thicknesses of 1, 2, 3, and 5 mm. These thicknesses were then measured accurately with a digital caliper by one person four times at interval of a week. The skull was scanned using two CBCT scanners, and the different thicknesses of wax were measured by two observers four times with a week interval. The CBCT measurements were compared with digital caliper measurements as a reference. Results: Statistical analysis showed no significant difference between CBCT and digital caliper measurements for thickness < 2 mm (P > 0.05). Conclusions: Statistically, the difference between digital caliper and CBCT measurements was < 0.1 mm, but this difference is not clinically important. The accuracy of CBCT in measuring soft tissue thickness was 0.1 mm.
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spelling doaj.art-efe16f0c9cae4301ad37c217065a8e0c2022-12-22T02:42:52ZengWolters Kluwer Medknow PublicationsJournal of Indian Society of Periodontology0972-124X2019-01-0123433433810.4103/jisp.jisp_675_18Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jawsEhsan MoudiSina HaghanifarMaryam JohariHemmat GholiniaMohammad Kazemi GhanbarabadiPurpose: Due to the extensive use of cone-beam computed tomography (CBCT) in dentistry, especially in measuring thicknesses of hard and soft tissues, and the fact that CBCT has low contrast resolution, the aim of this study was to evaluate the accuracy of CBCT in measuring soft tissue thickness. Materials and Methods: In this cross-sectional study, pink baseplate wax as a soft tissue simulation was overlaid in different areas of the jaws on the dry human skull, and the probe was used to determine the thicknesses of 1, 2, 3, and 5 mm. These thicknesses were then measured accurately with a digital caliper by one person four times at interval of a week. The skull was scanned using two CBCT scanners, and the different thicknesses of wax were measured by two observers four times with a week interval. The CBCT measurements were compared with digital caliper measurements as a reference. Results: Statistical analysis showed no significant difference between CBCT and digital caliper measurements for thickness < 2 mm (P > 0.05). Conclusions: Statistically, the difference between digital caliper and CBCT measurements was < 0.1 mm, but this difference is not clinically important. The accuracy of CBCT in measuring soft tissue thickness was 0.1 mm.http://www.jisponline.com/article.asp?issn=0972-124X;year=2019;volume=23;issue=4;spage=334;epage=338;aulast=MoudiCone-beam computed tomographymeasurement accuracysoft tissue
spellingShingle Ehsan Moudi
Sina Haghanifar
Maryam Johari
Hemmat Gholinia
Mohammad Kazemi Ghanbarabadi
Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
Journal of Indian Society of Periodontology
Cone-beam computed tomography
measurement accuracy
soft tissue
title Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
title_full Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
title_fullStr Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
title_full_unstemmed Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
title_short Evaluation of the cone-beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
title_sort evaluation of the cone beam computed tomography accuracy in measuring soft tissue thickness in different areas of the jaws
topic Cone-beam computed tomography
measurement accuracy
soft tissue
url http://www.jisponline.com/article.asp?issn=0972-124X;year=2019;volume=23;issue=4;spage=334;epage=338;aulast=Moudi
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AT maryamjohari evaluationoftheconebeamcomputedtomographyaccuracyinmeasuringsofttissuethicknessindifferentareasofthejaws
AT hemmatgholinia evaluationoftheconebeamcomputedtomographyaccuracyinmeasuringsofttissuethicknessindifferentareasofthejaws
AT mohammadkazemighanbarabadi evaluationoftheconebeamcomputedtomographyaccuracyinmeasuringsofttissuethicknessindifferentareasofthejaws