The Use of Cone-Beam Computed Tomography in Furcation Defects Diagnosis

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1 / J. Misic2 / S. Jankovic,2 / N. Nikolic-Jakoba3

1PhD, School of Dental Medicine, Department of Periodontology, University of Belgrade, Dr Subotica 8, Belgrade,Serbia
2School of Dental Medicine, Department of Periodontology, University of Belgrade, Belgrade,Serbia
3School of Dental Medicine, Department of Periodontology, University of Belgrade Belgrade,Serbia

Summary

Background: The use of conebeam computed tomography (CBCT), as an additional diagnostic tool in daily dental practice, has expanded rapidly in recent years. Since CBCT allows assessment of dento-maxillofacial structures in three-dimensional manner, its use may be very tempting in alveolar bone furcation defects (FDs) diagnosis.

Aim: The aim of this study was to determine the impact of clinical experience and experience with CBCT on FD detection in patients with periodontitis.

Material and Methods: Fifteen patients with chronic generalized severe periodontitis were included in the study. In total, 168 furcation sites were analyzed on CBCT images by a previously trained senior year undergraduate student (O1) and a PhD student with three years of CBCT experience (O2), and compared to clinical findings (probing). CBCT images were analyzed on two separate occasions, within a 7-day interval. FDs were assessed both clinically and on CBCT images, using a dichotomous scale (present/absent). Intraobserver agreement for each observer was calculated by using Kappa coefficient (k). Interobserver agreement and agreement between CBCT and clinical findings for both observers were calculated.

Results: Kappa coefficient value for both observers indicated a high intraobserver agreement (k1=0.75; k2=0.94). Interobserver agreement of CBCT image analyses was present in 72.6% (73.0% in maxilla, 71.7% in mandible). Agreement between CBCT image analyses and clinical findings for O1 was 48.8% and 51.2% for O2.

Conclusion: It can be assumed that clinical experience and CBCT proficiency do not have an impact on FD detection on CBCT images, if an appropriate training was previously performed.

Keywords: CBCT; Furcation defect; Furcation involvement; Periodontitis

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Citation Information: Balkan Journal of Dental Medicine. Volume 20, Issue 3, Pages 143–148, ISSN (Online) 2335-0245, DOI: https://doi.org/10.1515/bjdm-2016-0023, November 2016

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