Is it possible to apply a paralleling technique to different ethnicities in Hong Kong?

IF 1.6 3区医学 Q3 DENTISTRY, ORAL SURGERY & MEDICINE

Oral Radiology Pub Date : 2025-07-17 DOI:10.1007/s11282-025-00842-1

Miharu Taguchi, Hiroshi Watanabe, Ami Kuribayashi, Andy Wai Kan Yeung, Ray Tanaka

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引用次数: 0

Abstract

Objectives: This study aimed to evaluate the applicability of a paralleling technique in dental patients in Hong Kong via cone-beam computed tomography (CBCT) images.

Methods: We analyzed CBCT images of 28 patients who underwent CBCT examination at Prince Philip Dental Hospital between March 2016 and July 2021. Overall, 136 teeth were studied. We created an 8 mm-thick reconstructed maximum intensity projection image to show each subject tooth, traced them with the surrounding structures, such as the hard palate and the buccal skin surface of the maxilla, and measured various parameters for determining the tooth length and palatal height. We also considered the applicability of the parallel technique.

Results: We successfully measured the parameters with excellent intra- and inter-observer reliability indices. The results revealed that the applicability of this technique was not feasible. These results were similar to those of a previous study. Only two periapical radiographs showed distorted shapes and inconsistent root lengths.

Conclusions: Using CBCT image analysis, this study clarified that the paralleling technique is not applicable even for patients in Hong Kong. Clinicians should note that the paralleling technique is not strictly a paralleling method and may lead to image distortion.

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是否有可能将这种平行的技术应用于香港不同的种族？

目的：本研究旨在评估锥形束计算机断层扫描（CBCT）平行成像技术在香港牙科患者中的适用性。方法：我们分析了2016年3月至2021年7月在菲利普牙科医院接受CBCT检查的28例患者的CBCT图像。总共研究了136颗牙齿。我们制作了8 mm厚的重建最大强度投影图像来显示每颗受试者牙齿，并将其与周围结构（如硬腭和上颌骨颊皮肤表面）进行了追踪，并测量了用于确定牙齿长度和腭高的各种参数。我们还考虑了并行技术的适用性。结果：我们成功地测量了具有良好的观察者内部和观察者之间的信度指标的参数。结果表明，该技术的适用性是不可行的。这些结果与之前的研究结果相似。只有两张根尖周围x线片显示形状扭曲和根长度不一致。结论：通过对CBCT图像的分析，本研究明确了并行技术即使在香港患者中也不适用。临床医生应注意，平行技术不是严格的平行方法，可能导致图像失真。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Oral Radiology DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.20

自引率

13.60%

发文量

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.