首页|Exploration and preliminary clinical investigation of an adhesive approach for primary tooth restoration

Exploration and preliminary clinical investigation of an adhesive approach for primary tooth restoration

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The current study aims to investigate a suitable adhesive for primary tooth enamel.Shear bond strength(SBS)of primary teeth and the length of resin protrusion were analyzed using one-way ANOVA with Bonferroni multiple comparison tests after etching with 35％H3PO4.SBS and marginal microleakage tests were conducted with Single Bond Universal(SBU)/Single Bond 2(SB2)adhesives with or without pre-etching using a nonparametric Kruskal-Wallis test.Clinical investigations were performed to validate the adhesive for primary teeth restoration using Chi-square tests.Results showed that the SBS and length of resin protrusion increased significantly with the etching time.Teeth in the SBU with 35％H3PO4 pre-etching groups had higher bond strength and lower marginal microleakage than those in the SB2 groups.Mixed fractures were more common in the 35％H3PO4 etched 30 s+SB2/SBU groups.Clinical investigations showed significant differences between the two groups in cumulative retention rates at the 6-,12-and 18-month follow-up evaluations,as well as in marginal adaptation,discoloration,and secondary caries at the 12-and 18-month follow-up assessments.Together,pre-etching primary teeth enamel for 30 s before SBU treatment improved clinical composite resin restoration,which can provide a suitable approach for restoration of primary teeth.

primary teethSingle Bond Universalshear bond strengthmarginal microleakagedentistryrestoration

Xiangqin Xu、Jiansheng Zhu、May Lei Mei、Huaying Wu、Kaipeng Xie、Shoulin Wang、Yarning Chen

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Comprehensive Outpatient Department of Stomatology,the Affiliated Hospital of Stomatology,Nanjing Medical University,Nanjing,Jiangsu 210029,China

Department of Stomatology,Women's Hospital of Nanjing Medical University,Nanjing Maternity and Child Health Care Hospital,Nanjing,Jiangsu 210004,China

School of Public Health,Nanjing Medical University,Nanjing,Jiangsu 211166,China

Department of Child Healthcare,Women's Hospital of Nanjing Medical University,Nanjing Maternity and Child Health Care Hospital,Nanjing,Jiangsu 210004,China

Faculty of Dentistry,University of Otago,Dunedin 628040,New Zealand

Department of Public Health,Women's Hospital of Nanjing Medical University,Nanjing Maternity and Child Health Care Hospital,Nanjing,Jiangsu 210004,China

Jiangsu Key Laboratory of Oral Diseases,Nanjing Medical University,Nanjing,Jiangsu 210029,China

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Technology Development Fund of Nanjing Medical UniversityTechnology Development Fund of Nanjing Medical University

NMUB2016115NMUB2020117

2023

生物医学研究杂志(英文版)
南京医科大学

生物医学研究杂志(英文版)

CSCD北大核心
影响因子：0.794
ISSN：1674-8301
年,卷(期)：2023.37(2)
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