Débora Costa Ruiz, Christiano de Oliveira-Santos, Marcela Tarosso Réa, Thaisa Pinheiro Silva, Gustavo Machado Santaella, William C Scarfe, Deborah Queiroz Freitas
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Spatial and contrast resolutions and percentage of radiographic contrast were evaluated. Then, radiographic images of an acrylic block were obtained under the same conditions and brightness, noise, and uniformity were assessed. Values were compared between the devices and the digital systems with Analysis of Variance (P < 0.05).</p><p><strong>Results: </strong>There were no differences in spatial and contrast resolutions between dental X-ray units and detectors. Handheld dental X-ray units provide significantly higher radiographic contrast (P < 0.001) and lower brightness, noise, and uniformity (P < 0.001) regardless of the digital system used.</p><p><strong>Conclusions: </strong>Compared to a wall-mounted dental X-ray unit, the handheld device provides higher radiographic contrast and lower brightness, noise, and uniformity regardless of the digital system used.</p>","PeriodicalId":56103,"journal":{"name":"Oral Radiology","volume":" ","pages":""},"PeriodicalIF":1.6000,"publicationDate":"2025-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Comparison of image quality between intraoral radiographic images using wall-mounted and handheld dental X-ray units.\",\"authors\":\"Débora Costa Ruiz, Christiano de Oliveira-Santos, Marcela Tarosso Réa, Thaisa Pinheiro Silva, Gustavo Machado Santaella, William C Scarfe, Deborah Queiroz Freitas\",\"doi\":\"10.1007/s11282-025-00837-y\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Objective: </strong>To compare the quality of intraoral radiographic images of two types of dental detectors using wall-mounted and handheld dental X-ray units.</p><p><strong>Methods: </strong>Six intraoral dental radiographic images of a Dental Digital Quality Assurance radiographic phantom (Dental Imaging Consultants LLC, San Antonio, TX) were acquired with two types of dental receptors: photostimulable phosphor (PSP) receptor (CS 7600 digital system, Carestream Dental, Rochester, New York, United States) under two conditions, filtered and unfiltered; and a complementary metal oxide semiconductor (CMOS) sensor (RGV 6200, Carestream Dental, Rochester, New York, United States) using handheld (Nomad Pro 2; Kavo Kerr, Biberach, Germany) and wall-mounted (Midmark Preva DC Intraoral X-ray, Midmark Corporation, Illinois, United States) dental X-ray units. 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引用次数: 0
摘要
目的：比较壁挂式和手持式口腔x线机两种口腔探测器的口腔内x线图像质量。方法：获得6张牙科数字质量保证放射成像假体（dental Imaging Consultants LLC, San Antonio， TX）的口腔内放射成像图像，两种类型的牙科受体：光刺激荧光体（PSP）受体（CS 7600数字系统，Carestream dental, Rochester, New York, usa）在两种条件下，过滤和未过滤；和互补金属氧化物半导体（CMOS）传感器（RGV 6200, Carestream Dental, Rochester, New York, usa）使用手持(Nomad Pro 2；Kavo Kerr, Biberach，德国)和壁挂式（Midmark Preva DC口内x光机，Midmark Corporation，伊利诺伊州，美国）牙科x光机。评估空间和对比度分辨率以及放射成像对比度百分比。然后，在相同的条件下获得丙烯酸块的射线图像，并评估亮度，噪声和均匀性。用方差分析（Analysis of Variance， P）对设备和数字系统的数值进行比较。结果：口腔x线单元和检测器在空间分辨率和对比度分辨率上没有差异。结论：与壁挂式牙科x光机相比，无论使用何种数字系统，手持式设备都能提供更高的x光对比度和更低的亮度、噪音和均匀性。
Comparison of image quality between intraoral radiographic images using wall-mounted and handheld dental X-ray units.
Objective: To compare the quality of intraoral radiographic images of two types of dental detectors using wall-mounted and handheld dental X-ray units.
Methods: Six intraoral dental radiographic images of a Dental Digital Quality Assurance radiographic phantom (Dental Imaging Consultants LLC, San Antonio, TX) were acquired with two types of dental receptors: photostimulable phosphor (PSP) receptor (CS 7600 digital system, Carestream Dental, Rochester, New York, United States) under two conditions, filtered and unfiltered; and a complementary metal oxide semiconductor (CMOS) sensor (RGV 6200, Carestream Dental, Rochester, New York, United States) using handheld (Nomad Pro 2; Kavo Kerr, Biberach, Germany) and wall-mounted (Midmark Preva DC Intraoral X-ray, Midmark Corporation, Illinois, United States) dental X-ray units. Spatial and contrast resolutions and percentage of radiographic contrast were evaluated. Then, radiographic images of an acrylic block were obtained under the same conditions and brightness, noise, and uniformity were assessed. Values were compared between the devices and the digital systems with Analysis of Variance (P < 0.05).
Results: There were no differences in spatial and contrast resolutions between dental X-ray units and detectors. Handheld dental X-ray units provide significantly higher radiographic contrast (P < 0.001) and lower brightness, noise, and uniformity (P < 0.001) regardless of the digital system used.
Conclusions: Compared to a wall-mounted dental X-ray unit, the handheld device provides higher radiographic contrast and lower brightness, noise, and uniformity regardless of the digital system used.
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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