Low-Dose Cone-Beam Computed Tomography in Swedish Pediatric Patients With Alveolar Clefts Following Alveolar Bone Grafting—A Clinical Study

IF 1.7 Q3 DENTISTRY, ORAL SURGERY & MEDICINE Clinical and Experimental Dental Research Pub Date : 2024-11-04 DOI:10.1002/cre2.70021

António Vicente, Josefine Cederhag, Nilofar Rashidi, Anna-Paulina Wiedel, Magnus Becker, Susanne Brogårdh-Roth, Xie-Qi Shi, Kristina Hellén-Halme

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Abstract

Objectives

The aim of this study was to investigate whether a low-dose cone-beam computed tomography (CBCT) protocol provides diagnostically acceptable image quality for assessing bone healing after alveolar bone grafting.

Material and Methods

The study cohort comprised 11 patients (aged 7–14 years) with orofacial clefts who had undergone alveolar bone grafting at Skåne University Hospital in Malmö, Sweden. During the postsurgical follow-up at 6 months, each patient was assessed twice: once with a standard-dose CBCT protocol and once with a low-dose CBCT protocol, which in total corresponds to one CBCT examination made with the exposure settings recommended by the manufacturer. Among others, the assessed parameters included subjective image quality, as well as bone graft height, thickness, and integration.

Results

No significant differences were found between the standard- and low-dose protocols for most parameters (p > 0.05). Exceptions included subjective image quality (one observer, p = 0.05) and confidence levels during the assessment (three observers, p = 0.01, 0.01, 0.02).

Conclusions

The low-dose protocol yielded adequate image quality for postoperative CBCT healing assessment in patients who have undergone alveolar bone grafting. However, the confidence level of observers during the assessment with the low-dose protocol was reduced. This study is registered on ClinicalTrials.gov (NCT06395077).

Clinical Trial Registration

This study is registered on ClinicalTrials.gov (NCT06395077).

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瑞典牙槽骨移植术后牙槽骨裂隙儿科患者的低剂量锥形束计算机断层扫描--临床研究

研究目的本研究旨在探讨低剂量锥束计算机断层扫描（CBCT）方案能否为评估牙槽骨移植术后的骨愈合提供诊断上可接受的图像质量：研究对象包括在瑞典马尔默斯科纳大学医院接受牙槽骨移植手术的11名口面部裂患者（7-14岁）。在手术后 6 个月的随访期间，每位患者都接受了两次评估：一次是标准剂量 CBCT 方案，另一次是低剂量 CBCT 方案。评估参数包括主观图像质量以及植骨高度、厚度和整合度：结果：标准剂量和低剂量方案在大多数参数上无明显差异（P>0.05）。例外情况包括主观图像质量（一名观察者，p = 0.05）和评估过程中的信心水平（三名观察者，p = 0.01、0.01、0.02）：低剂量方案为接受牙槽骨移植术的患者术后 CBCT 愈合评估提供了足够的图像质量。结论：低剂量方案可为接受牙槽骨移植术的患者术后 CBCT 愈合评估提供足够的图像质量，但在使用低剂量方案进行评估时，观察者的信心水平有所下降。本研究已在 ClinicalTrials.gov (NCT06395077).Clinical trial registration 上注册：本研究已在 ClinicalTrials.gov (NCT06395077) 上注册。

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来源期刊

Clinical and Experimental Dental Research DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

3.30

自引率

5.60%

发文量

165

审稿时长

26 weeks

期刊介绍： Clinical and Experimental Dental Research aims to provide open access peer-reviewed publications of high scientific quality representing original clinical, diagnostic or experimental work within all disciplines and fields of oral medicine and dentistry. The scope of Clinical and Experimental Dental Research comprises original research material on the anatomy, physiology and pathology of oro-facial, oro-pharyngeal and maxillofacial tissues, and functions and dysfunctions within the stomatognathic system, and the epidemiology, aetiology, prevention, diagnosis, prognosis and therapy of diseases and conditions that have an effect on the homeostasis of the mouth, jaws, and closely associated structures, as well as the healing and regeneration and the clinical aspects of replacement of hard and soft tissues with biomaterials, and the rehabilitation of stomatognathic functions. Studies that bring new knowledge on how to advance health on the individual or public health levels, including interactions between oral and general health and ill-health are welcome.