Accuracy of intraoral ultrasound to evaluate alveolar bone level: an ex vivo study in human cadavers

IF 1.6 3区 医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Claudiu Corbea, Lawrence H. Le, Neelambar R. Kaipatur, Mengxun Li, Kim Cuong Nguyen, Giseon Heo, Carlos Alberto Figueredo, Paul W. Major, Fabiana T. Almeida
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引用次数: 0

Abstract

Objectives

This study aimed to evaluate the reliability and accuracy of an intraoral ultrasound (US) device to evaluate alveolar bone by comparing it between different raters and to microCT (µCT) measurements.

Methods

38 teeth distributed across three human cadavers were prepared by placing two notches on the facial enamel surface. The maxillary and mandibular teeth were imaged with a custom-designed intraoral 20 MHz ultrasound and µCT with 0.03 mm voxel size. µCT was considered the reference standard for this study. For each sample, the distance from the inferior border of the most apical notch to the tip of the alveolar bone crest on the facial aspect of the teeth was measured from the US and µCT images. Intraclass correlation coefficient (ICC) and standard deviation were calculated.

Results

The intra-examiner and inter-examiner reliability for both the µCT and US alveolar bone measurements were found to be excellent (intra-examiner ICC was 0.998 for µCT and 0.997 for US, inter-examiner ICC was 0.996 for µCT and between 0.947 and 0.950 for US). The accuracy of the US was found to be good compared to µCT (ICC between 0.885 and 0.894).

Conclusion

The study demonstrated that intraoral ultrasound is highly reliable and accurate compared to the µCT reference standard for evaluating facial alveolar bone height.

Abstract Image

口内超声波评估牙槽骨水平的准确性:人体尸体活体研究
本研究旨在通过比较不同评分者之间的评分结果和显微 CT(µCT)测量结果,评估口内超声(US)设备评估牙槽骨的可靠性和准确性。使用定制设计的口内 20 MHz 超声波和体素尺寸为 0.03 mm 的 µCT 对上颌和下颌牙齿进行成像。µCT 被视为本研究的参考标准。对于每个样本,都要从 US 和 µCT 图像中测量牙齿面部最顶端凹槽下缘到牙槽骨嵴尖的距离。结果发现,µCT 和 US 牙槽骨测量的检查者内部和检查者之间的可靠性都非常好(µCT 的检查者内部 ICC 为 0.998,US 为 0.997;µCT 的检查者之间 ICC 为 0.996,US 为 0.947 至 0.950)。结论:该研究表明,与 µCT 参考标准相比,口内超声在评估面部牙槽骨高度方面具有高度可靠性和准确性。
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来源期刊
Oral Radiology
Oral Radiology DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
4.20
自引率
13.60%
发文量
87
审稿时长
>12 weeks
期刊介绍: As the official English-language journal of the Japanese Society for Oral and Maxillofacial Radiology and the Asian Academy of Oral and Maxillofacial Radiology, Oral Radiology is intended to be a forum for international collaboration in head and neck diagnostic imaging and all related fields. Oral Radiology features cutting-edge research papers, review articles, case reports, and technical notes from both the clinical and experimental fields. As membership in the Society is not a prerequisite, contributions are welcome from researchers and clinicians worldwide.
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