Intra Oral X Ray Imaging Sensor Using Rare Earth Nanocrystalline Materials and X Ray Shielding Using Bismuth Ferrite BiFeO3 Nanoparticles

Abstract

Dental imaging is an essential component of contemporary dentistry that newlineoffers critical diagnostic and treatment information for oral and craniofacial disorders. newlineAdvanced methodologies, such as cone beam computed tomography (CBCT) and digital newlineradiography, are crucial for improving diagnostic accuracy while minimizing radiation newlineexposure. Advancements in low dose X ray detection utilizing materials such as rare earth newlinebased compounds offer intriguing avenues for minimizing exposure while maintaining newlineimage quality. The role of bismuth ferrite based nanoparticles as lead free X ray shielding newlinematerials for dental radiography and thyroid protection was investigated. newlineThe low dose X ray sensing behavior of nanocrystalline Praseodymium oxide newline(PrOand#8322;) synthesized via combustion route was investigated. The synthesized nanoparticles newlineannealed at different temperatures generated a grain size ranging from 3.5 nm to 44 nm. newlineExperiments were conducted to determine the effect of grain size on the X ray sensing newlinebehavior by coating PrOand#8322; nanoparticles onto silicon photodiodes. The experimental newlineresults demonstrated that smaller grain size exhibited superior sensitivity, with the 8.3 nm newlinegrain size achieving the highest sensitivity of 52 and#956;C/mGy/cm³ at a 7.97 mGy dose. newlineAdvanced techniques like X ray diffraction, high resolution transmission electron newlinemicroscopy, photoluminescence spectroscopy and X ray photoelectron spectroscopy were newlinealso used to characterize the synthesized nanomaterials. Synthesized nanocrystalline PrOand#8322; newlineis a promising material for low-dose X ray sensors in medical imaging, particularly for newlineintraoral dental X rays newline