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Clinical Oral Investigations

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18.05.2019 | Original Article

Ex vivo comparison of CBCT and digital periapical radiographs for the quantitative assessment of periodontal defects

verfasst von: Maurice Ruetters, D. Hagenfeld, N. ElSayed, N. Zimmermann, H. Gehrig, T-S. Kim

Erschienen in: Clinical Oral Investigations | Ausgabe 1/2020

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Abstract

Objectives

Accurate imaging is essential for effective treatment planning in periodontology. The aim of this ex vivo study was to investigate the accuracy of cone beam computed tomography (CBCT) and digital periapical radiographs (PA) in imaging periodontal defects. Hypotheses are: 1. That CBCT is a more accurate method than PA concerning vertical measurements of periodontal bone defects2. That CBCT itself is an accurate method to describe vertical periodontal bone loss

Material and methods

In this study, 117 periodontal defects from 10 human cadavers were investigated radiographically by CBCT and PA by one calibrated observer. Afterwards the vertical bone loss was measured with a periodontal probe by the same calibrated observer. Differences between radiographic and clinical measurements were calculated and analyzed. Bland-Altmann plots including 95% limits of agreement were calculated.

Results

The 95% limits of agreement ranged from 3.29 to −3.27 mm between clinical measurements and measurements in PAs, and from 2.13 to −1.97 mm in CBCTs. The mean difference between clinical and radiographic measurements was 0.0009 mm for PA and 0.0835 mm for CBCT.

Conclusions

When comparing the clinical measurements, CBCT had a higher agreement and less deviations than PAs, and CBCT seems to be an accurate method to describe vertical periodontal bone loss.

Clinical relevance

Accurate description of defects is helpful for accurate treatment planning.

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Titel: Ex vivo comparison of CBCT and digital periapical radiographs for the quantitative assessment of periodontal defects
verfasst von: Maurice Ruetters
D. Hagenfeld
N. ElSayed
N. Zimmermann
H. Gehrig
T-S. Kim
Publikationsdatum: 18.05.2019
Verlag: Springer Berlin Heidelberg
Erschienen in: Clinical Oral Investigations / Ausgabe 1/2020
Print ISSN: 1432-6981
Elektronische ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-019-02933-w

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Ex vivo comparison of CBCT and digital periapical radiographs for the quantitative assessment of periodontal defects

Abstract

Objectives

Material and methods

Results

Conclusions

Clinical relevance

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Abstract

Objectives

Material and methods

Results

Conclusions

Clinical relevance

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