10.1007/s40204-019-00126-y

Synthesis of plate-like β-tricalcium phosphate nanoparticles and their efficiency in remineralization of incipient enamel caries

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  • Roghayyeh Marefat Seyedlar1,
  • Mohammadbagher Rezvani2,
  • Samira Barari2,
  • Mohammad Imani1,
  • Azizollah Nodehi1,
  • Mohammad Atai*1,
  1. Iran Polymer and Petrochemical Institute (IPPI), Tehran, 1497713115, IR
  2. Surgery Department, Shahed University, Faculty of Dentistry, Tehran, IR
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Published in Issue 2019-12-07

How to Cite

Seyedlar, R. M., Rezvani, M., Barari, S., Imani, M., Nodehi, A., & Atai, M. (2019). Synthesis of plate-like β-tricalcium phosphate nanoparticles and their efficiency in remineralization of incipient enamel caries. Progress in Biomaterials, 8(4 (December 2019). https://doi.org/10.1007/s40204-019-00126-y
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Abstract

Abstract The purpose of this study was to synthesize nano-sized β-tricalcium phosphate (nano-TCP) particles and determine its concentration-dependent properties on incipient enamel caries lesions. Nano-TCP was synthesized as a wet chemical through a method using low concentration of precursors and low addition rate of calcium nitrate tetrahydrate as a second phase. Morphology and phase composition of the particles were analyzed by SEM, XRD, and EDXA techniques. Incipient enamel lesions were created in human premolars with an acidic buffer. The teeth were then incubated in aqueous dispersions of nano-TCP as remineralization solutions. Sodium fluoride solution and deionized water were used as positive and negative control groups, respectively. The quality and thickness of the remineralized layer on enamel were investigated using SEM. The data were statistically analyzed by analysis of variance (ANOVA) and post hoc Tukey’s test. The synthesized nano-TCP mostly consisted of porous platelet-like crystals of 50–100 nm thickness and pore diameters of 100–300 nm. SEM observation showed that a homogenous layer was formed on the surface of the enamels remineralized in nano-TCP solutions. The thickness of the mineralized layer was dependent on the incubation time and nano-TCP concentration.

Keywords

  • Nanoparticle,
  • β-Tricalcium phosphate,
  • Platelet morphology,
  • Incipient enamel caries lesions,
  • Remineralization
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