In vitro evaluation of composite containing DMAHDM and calcium phosphate nanoparticles on recurrent caries inhibition at bovine enamel-restoration margins

Jan 10, 2021 by in Dental Materials Comments Off on In vitro evaluation of composite containing DMAHDM and calcium phosphate nanoparticles on recurrent caries inhibition at bovine enamel-restoration margins

Abstract Objective Recurrent caries is a primary reason for restoration failure caused by biofilm acids. The objectives of this study were to: (1) develop a novel multifunctional composite with antibacterial…

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Nano-calcium phosphate and dimethylaminohexadecyl methacrylate adhesive for dentin remineralization in a biofilm-challenged environment

Jan 10, 2021 by in Dental Materials Comments Off on Nano-calcium phosphate and dimethylaminohexadecyl methacrylate adhesive for dentin remineralization in a biofilm-challenged environment

Abstract Objective Dentin remineralization at the bonded interface would protect it from external risk factors, therefore, would enhance the longevity of restoration and combat secondary caries. Dental biofilm, as one…

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Removal of water binding proteins from dentin increases the adhesion strength of low-hydrophilicity dental resins

Jan 10, 2021 by in Dental Materials Comments Off on Removal of water binding proteins from dentin increases the adhesion strength of low-hydrophilicity dental resins

Highlights • Proteoglycans are tightly bound to collagen acting as a barrier for infiltration of dental resin monomers. • Trypsin digestion removed PGs resulting in altered water balance and surface…

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Development of dual-cured resin cements with long working time, high conversion in absence of light and reduced polymerization stress

Jan 10, 2021 by in Dental Materials Comments Off on Development of dual-cured resin cements with long working time, high conversion in absence of light and reduced polymerization stress

Highlights • The addition of thiourethane to dual-cured cements reduces their working time. • Low concentrations of redox initiators were required in cements with thiourethane. • High conversion was observed…

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Viscosity and thermal kinetics of 10 preheated restorative resin composites and effect of ultrasound energy on film thickness

Jan 10, 2021 by in Dental Materials Comments Off on Viscosity and thermal kinetics of 10 preheated restorative resin composites and effect of ultrasound energy on film thickness

Abstract Objective This study investigated viscosity and thermal kinetics of 10 selected preheated restorative resin composites and the effect of ultrasound energy on film thickness. Methods A range of different…

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Highly translucent dental resin composites through refractive index adaption using zirconium dioxide nanoparticles and organic functionalization

Jan 10, 2021 by in Dental Materials Comments Off on Highly translucent dental resin composites through refractive index adaption using zirconium dioxide nanoparticles and organic functionalization

Highlights • Refractive index changes via nanoparticle incorporation or organic functionalization. • Refractive index adaption leads to highly translucent composites. • Specimen thickness has great influence on translucency. • ORMOCER®-based…

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Osseointegration and biosafety of graphene oxide wrapped porous CF/PEEK composites as implantable materials: The role of surface structure and chemistry

Jan 10, 2021 by in Dental Materials Comments Off on Osseointegration and biosafety of graphene oxide wrapped porous CF/PEEK composites as implantable materials: The role of surface structure and chemistry

Graphical abstract Highlights • Pore size and GO wrinkle degree were elevated with the growing content of CF. • Porous layer provided an accessible channel for nutrients transport for cell…

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Bis(4-methyl phenyl)iodonium as an alternative component to diphenyliodonium in camphorquinone-based ternary initiating systems

Jan 10, 2021 by in Dental Materials Comments Off on Bis(4-methyl phenyl)iodonium as an alternative component to diphenyliodonium in camphorquinone-based ternary initiating systems

Highlights • BPI can be used in ternary activation systems substituting DPI salt. • Use of iodonium salts increase the polymerization shrinkage of resins. • Ternary systems containing BPI improve…

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Characterizing surface viscoelastic integrity of ultra-fast photo-polymerized composites: Methods development

Jan 10, 2021 by in Dental Materials Comments Off on Characterizing surface viscoelastic integrity of ultra-fast photo-polymerized composites: Methods development

Highlights • The rapidly developing surface integrity of ultra-fast (3 s) photo-cure composites can be probed “immediately” by a new macroscopic indentation-creep methodology. • PowerCure system and materials demonstrated an…

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Effect of print orientation and duration of ultraviolet curing on the dimensional accuracy of a 3-dimensionally printed orthodontic clear aligner design

Jan 9, 2021 by in Orthodontics Comments Off on Effect of print orientation and duration of ultraviolet curing on the dimensional accuracy of a 3-dimensionally printed orthodontic clear aligner design

Introduction This study aimed to investigate the effect of print orientation and ultraviolet (UV) light curing duration on the dimensional accuracy of a clear aligner design fabricated directly using 3-dimensional…

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Treatment in a patient with congenital loss of both mandibular lateral incisors and severely retroclined maxillary central incisors

Jan 9, 2021 by in Orthodontics Comments Off on Treatment in a patient with congenital loss of both mandibular lateral incisors and severely retroclined maxillary central incisors

This case report describes the treatment of a patient with congenital loss of both mandibular lateral incisors and severely retroclined maxillary incisors. The treatment included bilateral extraction of the maxillary…

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Computer-aided heuristics in orthodontics

Jan 9, 2021 by in Orthodontics Comments Off on Computer-aided heuristics in orthodontics

Introduction During the decision-making process, physicians rely on heuristics that consist of simple, useful procedures for solving problems, intuitive shortcuts that produce reliable decisions based on limited information. In clinical…

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Self-perception of facial esthetics by patients with different profiles compared with assessments of orthodontists and lay people

Jan 9, 2021 by in Orthodontics Comments Off on Self-perception of facial esthetics by patients with different profiles compared with assessments of orthodontists and lay people

Introduction This study evaluated the perception of facial esthetics of patients with different profiles as assessed by orthodontists, lay people, and patients. Methods The sample comprised 120 patients (81 females,…

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