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  • Enamel—A “metallic-like” deformable biocomposite ...

    2007-5-1 · Four dental-used metals: cast alloy, gold alloy, titanium and amalgam, were compared with enamel. Pure hydroxyapatite (HAP) was used as the ceramic analogue of enamel. A Berkovich and a spherical indenter were selected for nanoindentation tests. The stress–strain (H–a/R) curves and indentation creep behaviour were investigated and analyzed.

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  • Open Access Dentistry and oral journals with high

    Fluoride releasing nanoparticles: Fluoride releasing and enamel demineralization inhibition capacity of fluoridereleasing nano filled cement around orthodontic brackets has been evaluated using an artificial caries biofilm model. 4 groups: non-fluoride-releasing microfilled composite, fluoride-releasing microfilled composite, resin-modified glass ionomer cement (RMGI), and fluoride-releasing nanofilled composite …

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  • Repair of tooth enamel by a biomimetic mineralization ...

    The future of nanotechnology in orthodontics has potential to develop in a number of additional applications as well including shape-memory polymers, self-healing materials, self-cleaning materials, biometric adhesives, tooth movement using orthodontic nanobots, and nano-changes on the surfaces of temporary anchorage devices (TADs) to increase their retention but still allow them to be removed …

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  • Nanomaterials | Free Full-Text | Nanomaterials

    C 3 S phase (27-30 nano-meter) was synthesized by firing molded cubes of 3:1 CaO: SiO 2 molar ratio, using ultra pure limestone and quartz (99.6% SiO 2), in the presence of 0.5% boric acid at 1000º C for 2- hours [31]. The product was ground, remolded using carbon …

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  • Synthesis, Properties and Hydration Characteristics of ...

    2020-1-1 · Carbon nanotubes. Carbon nanotubes (CNTs) are cylindrical, hollow, and seamless shells made by rolling graphene sheets with SP 2 hybridization. Their diameter may vary from 0.7 to 50 nm with lengths in the range of 10s of microns. CNTs usually have a length-to …

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  • IOPscience

    Based on the dental literature, orthodontic treatment with fixed appliances may increase plaque accumulation and a heightened amount of Streptococcus mutans (S. mutans; SM) bacteria and lactobacilli, which are recognized as the primary pathogens in dental caries. The use of an orthodontic appliance contributes to formation of new surfaces exposed to the plaque development, thus …

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  • Cosmetic nanoformulations and their intended use ...

    2021-2-1 · IEC 60335-2-34 REDLINE Household and similar electrical appliances – Safety – Part 2-34: Particular requirements for motor-compressors Revision: 2021 edition • Published 03/01/2021. This part of IEC 60335 deals with the safety of sealed (hermetic and semi-hermetic type) motor-compressors, their protection and control systems, if any, which are intended for use in equipment for household ...

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  • Open Access Dentistry and oral journals with high

    Advances in Dentistry & Oral Health is an Open Access, International peer reviewed Journal published on behalf of the Juniper Publishers. Dentistry is the branch of medicine that is involved in the research, diagnosis, prevention and treatment of disorders, diseases and conditions related to dental …

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  • Corrosion and Tarnish of Dental Alloys

    Corrosion and Tarnish of Dental Alloys Revised by Spiro Megremis, American Dental Association ... usually consist of silver-tin-copper-zinc amal-gams, although this is rapidly changing with the continued improvement of polymer com-posites. Pure gold in the form of cohesive foil, mat, or powder is used only in very limited applications.

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  • Dental amalgam - ScienceDirect

    2019-1-1 · Dental amalgam as a metallic direct restorative material is the primary focus of this chapter. Dental amalgam is a popular biomaterial which has been used successfully in the dental industry for decades. It is composed of a mixture of metal alloy and liquid mercury. Amalgam is mainly used for dental …

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  • Synthesis, Properties and Hydration Characteristics of ...

    C 3 S phase (27-30 nano-meter) was synthesized by firing molded cubes of 3:1 CaO: SiO 2 molar ratio, using ultra pure limestone and quartz (99.6% SiO 2), in the presence of 0.5% boric acid at 1000º C for 2- hours [31]. The product was ground, remolded using carbon …

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  • PART 3 DANGEROUS GOODS LIST AND LIMITED

    2010-9-2 · (b) The entry in these Regulations specifically indicates that it applies only to the pure substance; or (c) The hazard class, physical state or packing group of the solution or mixture is different from that of the dangerous substance; or (d) There is significant change in the measures to …

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  • Mechanical properties of materials - Book chapter -

    ResearchGate is a network dedicated to science and research. Connect, collaborate and discover scientific publications, jobs and conferences. All for free.

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  • 130+ million publications organized by topic on

    The low friction of pure nanocrystalline tantalum could be obtained by the formation of a nano-grained surface layer with sizes ranging from 10 to 50 nm where grain-boundary sliding occurred. [ 142 ] The SPD treatment results in the significantly grain refinement within bulk materials.

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  • Recent Progress on Wear‐Resistant Materials: Designs ...

    Dissertations & Theses from 2019. Krishnan, Ankita (2019) Understanding Autism Spectrum Disorder Through a Cultural Lens: Perspectives, Stigma, and Cultural Values among Asians . Suzuki, Takakuni (2019) Quantifying the Relations among Neurophysiological Responses, Dimensional Psychopathology, and Personality Traits . Dissertations & Theses from 2018. Abdel-Salam, Ahmed Nabil (2018) …

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  • Theses and Dissertations Available from ProQuest |

    The movement from point A to Point B represents a(n) decrease in the quantity supplied. If the cost of flour increases from 3 to 5 a bag, you could predict the supply curve for bagels to: shift to the left. In the first few months of 2012, the price of gasoline increased by approximately 15%. Because of this increase, we would expect the ...

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  • Articles - International Journal of Advanced Materials ...

    Dental erosion due to chemical effect and the effect of oral environments has also been considered. In addition to these, overview of wear modes and wear locations has also been covered. According to results obtained by the authors and from the literature, the main progress in the area of dental tribology on natural dental enamel is reviewed ...

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  • Mechanical properties of nanomaterials: A review

    2020-3-24 · The addition of nano-ZrO 2 and micro-WC to cermet reduces its wear rate and surface friction coefficient [].Under the same conditions, the mechanical properties of nanocomposites with micro-TiB 2 and Al 2 O 3 as the main body and nano-ZrO 2 as the second phase are higher than those of pure ZrO 2 nanomaterials [].. A number of nano-reinforcing phases are added to the matrix to obtain ...

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  • Nanohydroxyapatite-, Gelatin-, and Acrylic Acid-Based ...

    2021-3-18 · The aim of this study was to prepare a novel dental restorative material (NDRM) and to understand its cell viability behavior. The hydroxyapatite (HA) nanopowder was synthesized using a wet chemical precipitation method using calcium hydroxide and orthophosphoric acid as precursors. The as-prepared HA nanopowder was annealed at different temperatures to get a pure compound with a …

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  • Bargain Dental Supply – Discounted Dental Supplies

    The M20A-IS Motor offers efficient, powerful and constant torque with operational speeds up to 20,000 RPM. Its innovative fluid dynamics generate about twice as much torque compared to a conventional low speed motor in the 5,000–10,000 RPM range. SKU: BEY-M20A-IS. 329.80 – 625.65.

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  • GE Additive Education Program | GE Additive

    2019-3-26 · GE Additive Education Program. Jessica Hughes, a teacher at Hyde Park School in Cincinnati, has been part of the AEP since it launched in 2017 and is a passionate STEM advocate. Jessica is on a mission through her ‘Girls 3D Print Club’ to encourage as many female students as possible to get hands on with 3D printing technology.

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  • Crystallographic texture and mineral concentration ...

    2018-9-27 · Previous studies on dental enamel reported the presence of two orientation populations using synchrotron X-ray diffraction 19,20 and lab source …

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  • The Ayurvedic Approach to Oral Health – Paavani

    2021-3-5 · The Journal of Contemporary Dental Practice confirmed what Ayurveda has known for thousands of years, that turmeric is a powerful ally to counterbalance signs and symptoms of plaque build up and gingivitis. Other Western scientific studies have also proved that turmeric also helps to reduce pain associated with toothache or any dental pain.

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  • EurekAlert! Science News Releases

    EurekAlert! is an online science news service featuring health, medicine, science and technology news from leading research institutions and universities. Sponsored by AAAS, the science society.

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  • Recent Progress on Wear‐Resistant Materials: Designs ...

    The low friction of pure nanocrystalline tantalum could be obtained by the formation of a nano-grained surface layer with sizes ranging from 10 to 50 nm where grain-boundary sliding occurred. [ 142 ] The SPD treatment results in the significantly grain refinement within bulk materials.

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  • Ancient genomes reveal structural shifts after the

    2021-5-10 · Using ancient DNA sequences from the Italian Peninsula, Saupe et al. explore the genetic history of the Italian Peninsula through the Chalcolithic/Bronze Age transition. The time transect shows Steppe-related ancestry arrived in Central Italy by 1600 BCE and possibly precipitated shifts in kinship patterns, but not phenotypes.

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  • Ralph Steinman & John Leonora's research into

    Compare 'Copper, iron, manganese and other trace elements can halt/reduce tooth decay in rats' below. Pharmacological agents. After injecting bradykinin (a sympathetic compound) intraperitoneally into the experimental rats, Dr. Steinman observed centripetal (inward) movement of fluid in their teeth. In fact, the administration of bradykinin ...

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  • Nanohydroxyapatite-, Gelatin-, and Acrylic Acid-Based ...

    2021-3-18 · The aim of this study was to prepare a novel dental restorative material (NDRM) and to understand its cell viability behavior. The hydroxyapatite (HA) nanopowder was synthesized using a wet chemical precipitation method using calcium hydroxide and orthophosphoric acid as precursors. The as-prepared HA nanopowder was annealed at different temperatures to get a pure compound with a …

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  • Properties of −O–Cu–O– Bridged Copper Phosphate

    2021-3-12 · P–O–H polycondensation −O–Cu–O– ion-bonded bridges were formed in copper phosphate thermal insulation materials by mixing Al(OH)3 dissolved in H3PO4 with CuO filler and Al2O3, SiC, ZrC, and Cr2O3 as curing accelerators, alone or in combination. The effects of different additive combinations on the curing behavior and thermal stability of the copper phosphate thermal insulation ...

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  • Five Effective Ayurvedic Dental Care Methods - Gaia

    2019-5-1 · Micro and Nano Structural Analysis of Dental Ceramic and Luting Resin Interface and the Effect of Water Exposure on Integrity of Cement Interface Ravikumar Ramakrishnaiah, Samer M. Alaqeel, Abdulaziz A. Alkheraif, Darshan D. Divakar, Mohamed Elsharawy, Jukka P. Matinlinna, and Pekka K. Vallittu J. Biomater. Tissue Eng. 8, 136–143 (2018)

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  • Salechamps.com | online shopping.

    Start studying Restorative Dentistry. Learn vocabulary, terms, and more with flashcards, games, and other study tools.

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  • American Scientific Publishers

    Start studying Dental Materials. Learn vocabulary, terms, and more with flashcards, games, and other study tools. ... ____ ____ is a plastic deformation involves a movement of the edge dislocation along a ____ ____ until the dislocation reaches the edge of the crystal. ... small quantities of copper in higher concentration of silver.

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  • Bargain Dental Supply – Discounted Dental Supplies

    The M20A-IS Motor offers efficient, powerful and constant torque with operational speeds up to 20,000 RPM. Its innovative fluid dynamics generate about twice as much torque compared to a conventional low speed motor in the 5,000–10,000 RPM range. SKU: BEY-M20A-IS. 329.80 – 625.65.

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  • Fluoride in Drinking Water and Nanotechnological ...

    Arising awareness of health hazards due to long-term exposure of fluoride has led researchers to seek for more innovative strategies to eliminate excess fluoride in drinking water. Fluoride-bearing chemicals in both natural and anthropogenic sources contaminate drinking water, which mainly cause for human fluoride ingestion. Hence, developing sustainable approaches toward alleviation is essential.

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  • Piezo-catalysis for nondestructive tooth whitening ...

    2020-3-12 · The scanning electron microscope images of an identical tooth a before whitening treatment, b after piezo-catalysis whitening in BTO turbid liquid for 3 h, and c after further whitening by 30% H 2 ...

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  • Evolution of the Laser-Induced Spallation Technique

    The evolution of laser spallation begins with the generation of shock waves produced by laser vaporization of metal surfaces, which was presented for the first time in 1960 by Askaryon and Morez [].Their study on generation of high-amplitude stress waves in materials by impinging a high energy and pulsed laser beam on an unconfined surface was confirmed by White [], Bell and Landt ...

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  • Sci-Hub: removing barriers in the way of science

    The Sci-Hub project supports Open Access movement in science. Research should be published in open access, i.e. be free to read. The Open Access is a new and advanced form of scientific communication, which is going to replace outdated subscription models.

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  • Definition of Common Dental Terms - BCBST

    2007-12-18 · 121 PPO Group Administrator Reference Manual DentalBlue Network Definition of Common Dental Terms ABUTMENT - A tooth or root that retains or supports a fixed bridge or a removable prosthesis. ACID ETCH - The etching of a tooth with a mild acid to aid in the retention of composite filling material. ACRYLIC - Plastic materials used in the fabrication of dentures and crowns …

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  • Prof. Valery V. Tuchin Profile

    Profile Summary. Professor Valery V. Tuchin holds the Optics and Biophotonics Chair and is a Director of Research-Educational Institute of Optics and Biophotonics at Saratov State University, Head of Laboratory on Laser Diagnostics of Technical and Living Systems, Inst. …

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  • Dental decay and flavoured water - Medical Xpress

    2019-7-19 · Dental decay and flavoured water. A laboratory study published in the International Journal of Environment and Health looks at the effects of flavoured mineral water drinks and sugar substitutes ...

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  • IPOs - Latest & Upcoming IPOs - Taking a Company

    2021-6-29 · The latest information on initial public offerings (IPOs), including latest IPOs, expected IPOs, recent filings, and IPO performance from Nasdaq.

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  • The Most Complete Free Material Safety Data Sheet

    Looking for MSDS information regarding the chemicals in a commercial product or a material safety data sheet (MSDS)? Here is THE most complete MSDS list on the Internet, and it's free! By federal law, manufacturers must supply this info in an MSDS which we provide here, FREE!

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