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01-07-2013 | Original Article

Accuracy of peri-implant bone thickness and validity of assessing bone augmentation material using cone beam computed tomography

Authors: Dongyun Wang, Andreas Künzel, Vladimir Golubovic, Ilya Mihatovic, Gordon John, Zhuofan Chen, Jürgen Becker, Frank Schwarz

Published in: Clinical Oral Investigations | Issue 6/2013

Abstract

Objectives

The aim of this study was to evaluate the accuracy of measuring bone thickness surrounding dental implants and the reliability of assessing existence and completion of osseous integration of augmentation material using a cone beam computed tomography (CBCT) system.

Materials and methods

In jaws of foxhounds, artificial defects were regenerated by guided bone regeneration and then dental implants were placed. After putting down the dogs, the jaws were separated from the bodies and exposed in a CBCT system. The bone thickness was measured on both buccal and oral sides of the implants at different levels. Every examiner evaluated existence and integration of bone augmentation materials (BAM) and the completeness of marginal implant covering. The same measurements and evaluations were performed at digital images of the corresponding histological sections.

Results

The mean and the standard deviation of the differences between radiological and histological measurements of peri-implant bone thickness were −0.22 mm and 0.77 mm, respectively. Sensitivity and specificity were 0.77 and 0.60 for existence of BAM, 0.59 and 0.74 for completed integration, and 0.39 and 0.71 for full covering of the implant surface.

Conclusions

The present study indicates that the PaX Duo3D® CBCT system allows measurements of peri-implant bone thickness at an accuracy of half a millimeter, and—within limits—assessing the existence and integration of BAM. It is not possible to evaluate whether the implant is covered completely by hard tissue.

Clinical relevance

Peri-implant bone thickness is a key factor for obtaining initial implant stability. The accuracy of its measurement has clinical impact. Radiological assessment of existence and integration of BAM would be of great benefit to the evaluation of augmentation procedures.

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Title: Accuracy of peri-implant bone thickness and validity of assessing bone augmentation material using cone beam computed tomography
Authors: Dongyun Wang
Andreas Künzel
Vladimir Golubovic
Ilya Mihatovic
Gordon John
Zhuofan Chen
Jürgen Becker
Frank Schwarz
Publication date: 01-07-2013
Publisher: Springer-Verlag
Published in: Clinical Oral Investigations / Issue 6/2013
Print ISSN: 1432-6981
Electronic ISSN: 1436-3771
DOI: https://doi.org/10.1007/s00784-012-0841-y

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Accuracy of peri-implant bone thickness and validity of assessing bone augmentation material using cone beam computed tomography

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Objectives

Materials and methods

Results

Conclusions

Clinical relevance

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