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Experimental Study of Biomimetic Mineralization on the Surface of Piezoelectric Pulp-cap Film

机译：压电浆帽膜表面仿生矿化的实验研究

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摘要

To study the biomimetic mineralization behaviour of piezoelectric pulp-cap films, bioelectret chitosan films were prepared by polarization in an electric field and soaked in PBS with lysozyme for piezoelectricity attenuation testing. The results showed that comparing these with samples stored in an exsiccator, the films soaked in PBS had accelerated d33 loss. Calcium phosphate crystals nucleated and grew on the surfaces of samples soaked in supersaturated calcification solution at 37℃for 1, 6, 12 and 24 h. OCP and HA were found to co-precipitate on the surfaces within 24 h of immersion. This novel piezoelectric inorganic-organic pulp-cap has the potential to be applied in dental pulp capping.
机译：为了研究压电浆盖膜的仿生矿化行为，在电场中极化制备了生物电壳聚糖膜，然后将其浸入溶菌酶的PBS中进行压电衰减测试。结果表明，将其与储存在干燥器中的样品进行比较，浸泡在PBS中的薄膜加速了d33的损失。磷酸钙晶体在37℃，过饱和钙化溶液中浸泡1、6、12和24小时后，在样品表面成核并生长。发现OCP和HA在浸入24小时内会在表面共沉淀。这种新颖的压电无机-有机纸浆盖具有在牙髓封盖中应用的潜力。

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