Development of a carrier device for dental-dedicated magnetic resonance imaging.

IF 2.1 Q3 DENTISTRY, ORAL SURGERY & MEDICINE
Imaging Science in Dentistry Pub Date : 2025-06-01 Epub Date: 2025-04-10 DOI:10.5624/isd.20240254
Matheus Sampaio-Oliveira, Matheus L Oliveira, Rubens Spin-Neto
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引用次数: 0

Abstract

Purpose: The aim of this study was to develop and evaluate a carrier device for dental-dedicated magnetic resonance imaging (ddMRI).

Materials and methods: The carrier device comprised 5 glass test tubes, which were vertically positioned within a glass beaker and filled with air, distilled water, 1.5% agar, nickel nitrate [Ni(NO3)2] in 1.5% agar, or 1000 g·L-1 dipotassium phosphate (K2HPO4). The beaker was filled with distilled water, a 0.3 g·L-1 Ni(NO3)2 aqueous solution, or a 1000 g·L-1 K2HPO4 aqueous solution. The device was scanned using a proton density turbo-spin-echo pulse sequence on a ddMRI system equipped with a dental-dedicated radiofrequency surface coil. Triplicate scans were performed for each combination of tube fillings and beaker solutions, yielding a total of 45 image volumes. Quantitative image metrics were then assessed.

Results: The developed carrier device, composed of carrier vials filled with 1.5% agar surrounded by a 1000 g·L-1 K2HPO4 aqueous solution, was identified as the best option for ddMRI quality assessments.

Conclusion: The proposed carrier device represents a promising method for embedding dental materials and other specimens, thereby facilitating the evaluation of their behaviour in ddMRI.

口腔专用磁共振成像载体装置的研制。
目的:研究一种用于口腔专用磁共振成像(ddMRI)的载体装置。材料与方法:载体装置包括5根玻璃试管,垂直放置于玻璃烧杯内,分别充入空气、蒸馏水、1.5%琼脂、1.5%琼脂中的硝酸镍[Ni(NO3)2]或1000 g·L-1磷酸二钾(K2HPO4)。烧杯内装蒸馏水、0.3 g·L-1 Ni(NO3)2水溶液或1000 g·L-1 K2HPO4水溶液。该装置在配备牙科专用射频表面线圈的ddMRI系统上使用质子密度涡轮自旋回波脉冲序列进行扫描。对每种管填充和烧杯溶液的组合进行三次扫描,共产生45个图像体积。然后评估定量图像指标。结果:所开发的载体装置由装满1.5%琼脂的载体瓶组成,周围环绕1000 g·L-1 K2HPO4水溶液,被认为是ddMRI质量评估的最佳选择。结论:所提出的载体装置代表了一种很有前途的方法来包埋牙科材料和其他标本,从而便于在ddMRI中评估其行为。
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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
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