Biomimetic Mineralizing Agents Recover the Micro Tensile Bond Strength of Demineralized Dentin

Materials
Luiz Filipe Barbosa-MartinsRegina Maria Puppin-Rontanti

Abstract

Biomimetic remineralization is an approach that mimics natural biomineralization, and improves adhesive procedures. The aim of this paper was to investigate the influence of Dentin Caries-like Lesions (DCLL)-Producing Model on microtensile bond strength (μTBS) of etch and rinse adhesive systems and investigate the effect of remineralizing agents such as Sodium Fluoride (NaF), MI Paste™ (MP) and Curodont™ Repair (CR) on caries-affected dentin (n = 6). Nine groups were established: (1) Sound dentin; (2) Demineralized dentin/Chemical DCLL: (3) Demineralized dentin/Biological DCLL; (4) Chemical/DCLL + NaF; (5) Chemical/DCLL + MP; (6) Chemical/DCLL + CR; (7) Biological/DCLL + NaF; (8) Biological/DCLL + MP; (9) Biological/DCLL + CR. Then all dentin blocks were subjected to a bonding procedure with Adper™ Single Bond 2 adhesive system/Filtek Z350XT 4 mm high block, following this they were immersed in deionized water/24 h and then sectioned with ≅ 1 mm² beams. The μTBS test was conducted at 1 mm/min/500 N loading. Failure sites were evaluated by SEM (scanning electron microscopy (150×). μTBS data were submitted to factorial ANOVA and Tukey's test (p < 0.05). The highest values were found when demineralized dentin was treated with MP a...Continue Reading

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Citations

Sep 3, 2020·Journal of Orofacial Orthopedics = Fortschritte Der Kieferorthopädie : Organ/official Journal Deutsche Gesellschaft Für Kieferorthopädie·Thomas KnaupAnahita Jablonski-Momeni
Feb 21, 2021·Dental Materials : Official Publication of the Academy of Dental Materials·Kelly Maria MoreiraRegina Maria Puppin-Rontani

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Methods Mentioned

BETA
light microscopy

Software Mentioned

R Foundation for Statistical Computing
R
R for Statistical

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