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Biomimetic remineralization of artificial caries dentin lesion using Ca/P-PILP

机译：使用CA / P Pilp的人工龋齿牙本质病变的仿生倒容

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摘要

Objective. To assess the ultrastructural change of demineralized dentin collagen during calcium phosphate polymer-induced liquid precursor (Ca/P-PILP) mediated remineralization process and to evaluate the biomimetic remineralization potential of high concentration Ca/P-PILP at demineralized artificial caries dentin lesion, additionally to investigate the bond interfacial integrity as well as the bonding strength of the biomimetic re mineralized artificial caries dentin lesion.Methods. Demineralized dentin collagen of 5 mu m thick was biomimetically remineralized with low, medium concentration Ca/P-PILP for 10 days and high concentration Ca/P-PILP for 10,15, 20 days. Artificial caries dentin lesion at a thickness of 150 +/- 50 mu m was biomimetically remineralized with high concentration Ca/P-PILP for 20 days. The biomimetic remineralization of demineralized dentin collagen was observed by scanning electron microscopy (SEM). The biomimetic remineralization intensity and depth of artificial caries dentin lesion was assessed by Electron Probe Micro Analyzer (EPMA). The bonding interfacial integrity between remineralized artificial caries dentin and composite resin was observed by Sweptsource optical coherence tomography (SS-OCT) and the bonding strength of remineralized artificial caries dentin was evaluated by micro -tensile bond strength analysis (mu TBS).Results. Solely PAA-PASP solution and solely saturated Ca/P solution can't achieve dentin collagen remineralization. Increased concentration of Ca/P-PILP and prolonged remineralization time can enhance the biomimetic remineralization intensity of demineralized dentin collagen. After treating with high concentration Ca/P-PILP, a 150 +/- 50 mu m thick layer ofdemineralized artificial caries dentin lesion was not fully remineralized, and the biomimetic remineralization intensity reached up to 88.0%. Furthermore, a better bonding interfacial integrity with less microgap and increased bond strength at both baseline level and aging level were observed when artificial caries dentin lesion was biomimetically remineralized with high concentration Ca/P-PILP.Significance. Biomimetic remineralization of demineralized caries dentin lesion promotes its clinical properties for resin composited adhesive restoration. (C) 2020 The Academy of Dental Materials. Published by Elsevier Inc. All rights reserved.
机译：客观的。评估磷酸钙聚合物诱导的液体前体（CA / P-PILP）介导的再矿化过程中脱耳化牙本质胶原的超微结构变化，并评价脱矿质人工龋齿牙本质病变的高浓度Ca / p-pilp的仿生倒立电位探讨债券界面完整性以及仿生矿化人工龋齿牙本质病变的粘合强度。方法。用低，中浓度Ca / p-pilp为10天和高浓度Ca / p-pilp的5μm厚的脱蛋白胶原蛋白为5μm厚的胶原蛋白为生物地再归化10,15,20天。厚度为150 +/-50μm的人为龋齿牙本质病变用高浓度Ca / p-pilp生物地重新归化20天。通过扫描电子显微镜（SEM）观察脱耳化牙本质胶原蛋白的仿真骨再矿化。通过电子探针微分析仪（EPMA）评估人造龋齿病变的仿真再矿化强度和深度。通过席位光学相干断层扫描（SS-OCT）观察到再矿化人造龋齿和复合树脂之间的粘合界面完整性，通过微抗凝键强度分析（MU TBS）评估了再矿化人工龋齿牙本质的粘接强度。结果。单独的Paa-Pasp溶液和完全饱和的Ca / P溶液无法实现牙本质胶原蛋白再矿化。增加的Ca / p-pilp和延长的再矿化时间浓度增加可以提高脱矿质牙本质胶原蛋白的仿真再矿化强度。用高浓度Ca / p-pilp处理后，少量的人造龋齿牙本质病变的150 +/-50μm厚层未完全再归化，仿生再矿化强度达到88.0％。此外，当人造龋齿牙本质病变用高浓度Ca / p-pilp的人进行生物成分地重新归化时，观察到具有较少微拍和增加基线水平和老化水平的粘合强度的更好的粘合互补完整性。脱矿质龋齿牙本质病变的仿生倒容促进其用于树脂的临床特性，用于树脂的粘合剂恢复。 （c）2020牙科材料学院。由elsevier Inc.出版的所有权利保留。

著录项

  • 来源
    《Dental materials》 |2020年第11期|1397-1406|共10页
  • 作者

    Chen Ruitian; Jin Runze; Li Xin; Fang Xiaolin; Yuan Ding; Chen Zhuo; Yao Shasha; Tang Ruikang; Chen Zhi;

  • 作者单位

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China;

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China;

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China|KU Leuven Univ Leuven BIOMAT Dept Oral Hlth Sci Leuven Belgium|Univ Hosp Leuven Dent Leuven Belgium;

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China;

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China;

    Zhejiang Univ Affiliated Stomatol Hosp Dept Endodont Sch Med Hangzhou Peoples R China|Zhejiang Univ Key Lab Oral Biomed Res Zhejiang Prov Sch Stomatol Hangzhou Peoples R China;

    Zhejiang Univ Dept Chem Ctr Biomat & Biopathways Hangzhou Zhejiang Peoples R China;

    Zhejiang Univ Dept Chem Ctr Biomat & Biopathways Hangzhou Zhejiang Peoples R China;

    Wuhan Univ Sch & Hosp Stomatol State Key Lab Breeding Base Basic Sci Stomatol Hu Wuhan Peoples R China|Wuhan Univ Sch & Hosp Stomatol Key Lab Oral Biomed Minist Educ Wuhan Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Artificial caries dentin lesion; Biomimetic remineralization; Calcium phosphate; polymer-induced liquid precursor; Amorphous calcium phosphate; Bonding interfacial integrity; Micro-tensile bond strength;

    机译：人工龋齿牙本质病变;仿真骨液;磷酸钙;聚合物诱导的液体前体;无定形磷酸钙;粘合界面完整性;微拉伸粘合强度;

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