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The accuracy of cone-beam computed tomography in assessing maxillary molar furcation involvement

By Jing Qiao, Shiying Wang, Jinyu Duan, Yong Zhang, Yun Qiu, Changzhou Sun and Denggao Liu


Aim: The aim of this study was to investigate the accuracy of cone-beam computed tomography (CBCT) in assessing maxillary molar furcation involvement (FI). Materials and MethodsFifteen patients with generalized chronic periodontitis after initial therapy were recruited. CBCT was performed in maxillary molars with probing pocket depths of 6mm and advanced FI, and CBCT images were analysed. Furcation surgery was performed in 20 maxillary molars. Lastly, intra-surgical FI assessments were compared with CBCT-based data. ResultsIntra-surgical findings confirmed 82.4% of the CBCT data, with a weighted kappa of 0.917. The agreement between both assessments was the highest in buccal furcation entrances, followed by distopalatal and mesiopalatal furcation entrances. Of the four parameters tested of detailed root anatomy and furcation morphology, the mean length of the root trunk and the width of the furcation entrance revealed by CBCT were consistent with their respective intra-surgical values (p>0.05). Horizontal bone loss and vertical bone loss were underestimated by CBCT relative to their respective intra-surgical classifications (p0.05). Conclusions: Cone-beam computed tomography images demonstrate a high accuracy in assessing the loss of periodontal tissue of the FI and root morphologies in maxillary molars.Dentistry, Oral Surgery & MedicineSCI(E)PubMed1ARTICLEChangzhousun66@126.com3269-2744

Topics: cone-beam computed tomography, diagnostic tools, furcation involvement, periodontal, treatment planning, IMAGES, DIAGNOSIS, RADIOLOGY, CT
Publisher: journal of clinical periodontology
Year: 2014
DOI identifier: 10.1111/jcpe.12150
OAI identifier: oai:localhost:20.500.11897/190040
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