1 research outputs found
Magnetic Hydroxyapatite-Coated Iron–Chromium Microspheres for Dental Surface Polishing and Plaque Removal
This
research aimed to engineer magnetic hydroxyapatite-coated
iron–chromium (HAp–FeCr) microspheres to enhance dental
surface polishing and plaque elimination. Utilizing a tailored sol–gel
approach, the HAp–FeCr microspheres were synthesized and exhaustively
characterized via scanning electron microscopy, energy-dispersive
X-ray spectroscopy, ζ-potential, X-ray diffractometry, and X-ray
photoelectron spectroscopy methodologies. Key findings showcased that
these microspheres retained their magnetic properties post-HAp coating,
as evidenced by the magnetization curves. An innovative magnetic polishing
system was developed, incorporating these microspheres and a 2000
rpm magnet. Comparative evaluations between traditional air-powder
polishing and the proposed magnetic technique demonstrated the latter’s
superiority. Notably, the magnetic polishing led to a substantial
reduction in dental plaque on the tooth surface, decreasing bacterial
adhesion and early biofilm formation by Streptococcus
gordonii and Lactobacillus acidophilus, where the most pronounced effects were observed in samples with
elevated HAp content. A significant 60% reduction in dental plaque
was achieved with the magnetic method relative to air-powder polishing.
Furthermore, the HAp–FeCr microspheres’ biocompatibility
was verified through cytotoxicity tests and animal studies. In essence,
the magnetic HAp–FeCr microspheres present a novel and efficient
strategy for dental treatments, holding immense potential for improving
oral health