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Effects of pastes containing ion-releasing particles on dentin remineralization

机译：含离子释放颗粒的糊剂对牙本质再矿化的影响

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摘要

We investigated the effects of the weekly application of pastes containing a surface reaction-type pre-reacted glass-ionomer (S-PRG) filler on dentin remineralization. Human dentin blocks were demineralized and polished using pastes containing S-PRG filler (0, 5, and 30%), and then immersed in remineralizing solution for 1 month. Nanoindentation testing was carried out during the immersion period, and the dentin surfaces were examined using scanning electron microscopy. A nano-hydroxyapatite-containing paste was used for comparison. Immersion in demineralization solution had a marked negative effect on the mechanical properties in all specimens. The mechanical properties of specimens polished with S-PRG filler-containing pastes recovered significantly after immersion in remineralization solution for 1 month compared with the other specimens. After remineralization, the open dentinal tubules were filled with a remineralization layer in specimens polished with S-PRG filler-containing and nano-hydroxyapatite-containing pastes. S-PRG filler-containing pastes can aid dentin remineralization.
机译：我们调查了含有表面反应型预反应玻璃离聚物（S-PRG）填料的糊剂每周施用对牙本质再矿化的影响。使用包含S-PRG填料（0％，5％和30％）的糊剂对人牙本质块进行脱矿质和抛光，然后将其浸入矿化溶液中1个月。在浸没期间进行纳米压痕测试，并使用扫描电子显微镜检查牙本质表面。使用含纳米羟基磷灰石的糊状物进行比较。浸入脱盐溶液中对所有样品的机械性能均具有明显的负面影响。与其他样品相比，将其浸入矿化溶液中1个月后，用含S-PRG填料的浆料抛光的样品的机械性能得到了显着恢复。再矿化后，在用含S-PRG填料和含纳米羟基磷灰石的糊剂抛光的标本中，开放的牙本质小管充满再矿化层。含S-PRG填料的糊剂可以帮助牙本质再矿化。

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