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Electrical charging of bioceramics by corona discharge
Journal of Electrostatics ( IF 1.8 ) Pub Date : 2021-12-28 , DOI: 10.1016/j.elstat.2021.103664
P.R. Prezas 1 , Yu. Dekhtyar 2 , Hermnis Sorokins 2 , M.M. Costa 3 , M.J. Soares 1 , M.P.F. Graça 1
Affiliation  

Hydroxyapatite is applied as a coating on orthopedic and dental implants. It directly bonds with bone tissue, improving the implant integration. In vivo biological studies have shown that charged hydroxyapatite may take half the time to bond with bone tissue, compared to non-charged hydroxyapatite. However, there is a challenge: how to charge the coatings? Conventional thermoelectrical poling is not applicable. In this work, a solution is proposed: the corona triode charging. It is demonstrated the possibility of achieving a large and stable negative charge density on hydroxyapatite pellets. The corona discharge has a promising potential in orthopedics and oral implantology.



中文翻译:

通过电晕放电对生物陶瓷充电

羟基磷灰石用作矫形和牙科植入物的涂层。它直接与骨组织结合,提高了种植体的整合度。体内生物学研究表明,与不带电的羟基磷灰石相比,带电的羟基磷灰石与骨组织结合的时间可能缩短一半。然而,有一个挑战:如何为涂层充电?传统的热电极化不适用。在这项工作中,提出了一个解决方案:电晕三极管充电。证明了在羟基磷灰石颗粒上实现大而稳定的负电荷密度的可能性。电晕放电在骨科和口腔种植学中具有广阔的潜力。

更新日期:2021-12-29
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