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Multispectral X-ray imaging to distinguish among dental materials

Imaging Science in Dentistry 2017년 47권 4호 p.247 ~ 254
Peter Ann Christin, Peter Ann Christin, Schnaubelt Matthias, Gente Michael, Schnaubelt Matthias, Gente Michael,
소속 상세정보
 ( Peter Ann Christin ) - Philipps-University School of Dentistry Department of Prosthodontics and Orofacial Function
 ( Schnaubelt Matthias ) - Philipps-University School of Dentistry Department of Prosthodontics and Orofacial Function
 ( Gente Michael ) - Philipps-University School of Dentistry Department of Prosthodontics and Orofacial Function
 ( Schnaubelt Matthias ) - Philipps-University School of Dentistry Department of Prosthodontics and Orofacial Function
 ( Gente Michael ) - Philipps-University School of Dentistry Department of Prosthodontics and Orofacial Function

Abstract


Purpose: Dual-energy X-ray imaging is widely used today in various areas of medicine and in other applications. However, no similar technique exists for dental applications. In this study, we propose a dual-energy technique for dental diagnoses based on voltage-switching.

Materials and Methods: The method presented in this study allowed different groups of materials to be classified based on atomic number, thereby enabling two-dimensional images to be colorized. Computer simulations showed the feasibility of this approach. Using a number of different samples with typical biologic and synthetic dental materials, the technique was applied to radiographs acquired with a commercially available dental X-ray unit.

Results: This technique provided a novel visual representation of the intraoral environment in three colors, and is of diagnostic value when compared to state-of-the-art grayscale images, since the oral cavity often contains multiple permanent foreign materials.

Conclusion: This work developed a technique for two-dimensional dual-energy imaging in the context of dental applications and showed its feasibility with a commercial dental X-ray unit in simulation and experimental studies.

키워드

Color; Radiographic Image Enhancement; Absorptiometry; Photon; Dental Materials

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