评估锥束计算机断层扫描上的种植体周围骨缺损以及在全景图像上检测这些缺损的诊断准确性。

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Imaging Science in Dentistry Pub Date : 2024-06-01 Epub Date: 2024-04-02 DOI:10.5624/isd.20230258
Takayuki Oshima, Rieko Asaumi, Shin Ogura, Taisuke Kawai
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引用次数: 0

摘要

目的:本研究旨在确定锥束计算机断层扫描(CBCT)图像上种植体周围骨缺损的典型部位和模式,并评估全景图像上已确定骨缺损的可探测性:研究对象包括 114 名患者,共使用了 367 个种植夹具。CBCT 图像用于评估每个种植体夹具的中侧、远侧、颊侧和舌侧周围是否存在骨缺损。根据缺损部位的数量,种植体周围骨缺损的表现分为 3 种模式:1 个部位、2 或 3 个部位以及周缘骨缺损。两名观察者独立评估全景图像上是否存在骨缺损。结果:在研究的 367 个种植体中,167 个(45.5%)至少有一个部位被证实存在骨缺损。最常见的缺损类型是周缘性缺损,167 个植入体中有 107 个(64.1%)受到影响。种植体最常植入下颌臼齿区。上颌前磨牙和下颌臼齿区的骨缺损发生率最高。下颌前磨牙区域的卡帕值最高:结论:观察到的典型骨缺损模式是种植体周围的环形缺损。臼齿区的检测率普遍高于前牙区。然而,使用全景成像检测部分骨缺损的能力较差。
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Evaluation of peri-implant bone defects on cone-beam computed tomography and the diagnostic accuracy of detecting these defects on panoramic images.

Purpose: This study was conducted to identify the typical sites and patterns of peri-implant bone defects on cone-beam computed tomography (CBCT) images, as well as to evaluate the detectability of the identified bone defects on panoramic images.

Materials and methods: The study population included 114 patients with a total of 367 implant fixtures. CBCT images were used to assess the presence or absence of bone defects around each implant fixture at the mesial, distal, buccal, and lingual sites. Based on the number of defect sites, the presentations of the peri-implant bone defects were categorized into 3 patterns: 1 site, 2 or 3 sites, and circumferential bone defects. Two observers independently evaluated the presence or absence of bone defects on panoramic images. The bone defect detection rate on these images was evaluated using receiver operating characteristic analysis.

Results: Of the 367 implants studied, 167 (45.5%) had at least 1 site with a confirmed bone defect. The most common type of defect was circumferential, affecting 107 of the 167 implants (64.1%). Implants were most frequently placed in the mandibular molar region. The prevalence of bone defects was greatest in the maxillary premolar and mandibular molar regions. The highest kappa value was associated with the mandibular premolar region.

Conclusion: The typical bone defect pattern observed was a circumferential defect surrounding the implant. The detection rate was generally higher in the molar region than in the anterior region. However, the capacity to detect partial bone defects using panoramic imaging was determined to be poor.

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来源期刊
Imaging Science in Dentistry
Imaging Science in Dentistry DENTISTRY, ORAL SURGERY & MEDICINE-
CiteScore
2.90
自引率
11.10%
发文量
42
期刊最新文献
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