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  • Nano-Cracks in the Enamel of a Human Tooth

    2005-12-21 · Nano-Cracks in the Enamel of a Human Tooth H. Seeber, P. Scheier and K. Sattler* ... erupted, extracted third molar of a young man was investigated with an atomic force microscope. For the first time it was possible to observe tiny cracks between ... The pain of dental problems has found its way into literature and art for more than

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  • Chirana

    The nano-scale mechanisms that are responsible for the recovery deformation, specifically the reorientation and rearrangement of mineral fragments and the inter- and intra-prismatic sliding between constituents that are closely related to the viscoelasticity of organic matrix, are examined and analyzed with respect to the structure of tooth enamel.

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  • Hydration-induced nano- to micro-scale self-recovery

    Objectives: Vibrations of dental handpieces may contribute to symptoms of hand-arm vibration syndrome in dental personnel and iatrogenic enamel cracking in teeth. However, methods for measuring dental handpiece vibrations have previously been limited and information about vibration characteristics is …

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  • Adhesion of Hydroxyapatite Nanoparticles to Dental ...

    2020-7-7 · The aim of the study was to assess the efficacy of three methods of enamel remineralization on initial approximal caries: (1) a nano-hydroxyapatite gel, (2) gaseous ozone therapy, (3) combination ...

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  • Vibration characteristics of dental high-speed turbines ...

    2015-10-1 · 4. Discussion. The weight loss data indicated that both fluoride and the nHA were effective in inhibiting enamel demineralization. Fluoride is widely documented as preventing caries , , , and fluorapatite is known to have a lower solubility product and be much more resistant to acid dissolution than hydroxyapatite , .The formation of a fluoridated apatite was confirmed by the 19 F MAS-NMR.

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  • Effect of nano-hydroxyapatite and ozone on

    Ideal translucency, wide shade selection, and Kerr’s Point 4 filler system provides excellent blending, making dental restorations undetectable. Optimal handling, non-slumping. Superb ease of placement. Long-lasting polishability. Maintains lifelike luster over time. Herculite gold standard technology. Proven 25+ years of experience.

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  • The ability of a nano hydroxyapatite toothpaste and

    2019-4-29 · Materials and methods Coronal sections of sound enamel and dentine were machined to 50-μm thickness using a FEI-Helios Plasma (FIB). The specimen was irradiated for 30 s with 2.94-μm Er:YAG laser radiation in a moist environment, using a sapphire dental probe tip, with the tip positioned 2 mm away from the sample surface.

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  • Consumables - DentaCarts | Dental market

    Dental Rotors and Turbines, Brescia. 555 likes · 4 talking about this. Dental Handpiece Spare Parts. dental rotors, dental turbines, dental cartridges, head gears, push buttons, intermediate shaft,...

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  • Nano-Cracks in the Enamel of a Human Tooth

    2005-12-21 · Nano-Cracks in the Enamel of a Human Tooth H. Seeber, P. Scheier and K. Sattler* ... erupted, extracted third molar of a young man was investigated with an atomic force microscope. For the first time it was possible to observe tiny cracks between ... The pain of dental problems has found its way into literature and art for more than

    Get Price
  • Chirana

    The turbine is connected to dental unit via universal turbine hose 4-ISO MIDWEST. Application: This turbine is designed for standard application in dental surgery - especially for grinding of enamel, drilling of cavities, grinding of crowns etc. Optimal operating speed is recommended from 150.000 to 250.000 rpm.

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  • Nanomaterials in preventive dentistry | Nature

    Accordingly, several in vitro attempts have been made to prepare enamel-like materials that contain nano- and microstructures using amelogenin to control the crystallization of biomimetic calcium ...

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  • TG 656 - Chirana

    enamel in the human tooth, specifically with respect to their mechanical properties. Indeed, most dental materials to date lack any true architectural design, especially at micro to nano length-scales, and are inevitably either harder or softer than the human tooth. Additionally,

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  • Nature‐Inspired Nacre‐Like Composites Combining

    2017-11-30 · 53 Application of Nanotechnology in Dental Caries Management Citation: Tamer M. Hamdy.“Application of Nanotechnology in Dental Caries Management”. EC Dental Science 16.1 (2017): 52-55. Fluoride varnishes which typically contain 5% sodium fluoride is a thick liquid can be painted to the enamel, dentin or cementum

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  • OPEN ACCESS Mini Review Application of

    2021-7-22 · Dental Applications of Carbon Nanotubes Marco A. Castro-Rojas 1, ... “Nano” is a prefix derived from the ancient Greek word “nános”, which means “dwarf”. ... which effectively seals dentin tubules, promoting the man-agement of dental sensitivity …

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  • Dental Applications of Carbon Nanotubes

    Itthagarun, A, King, N & Cheung, YM 2010, ' The effect of nano-hydroxyapatite toothpaste on artificial enamel carious lesion progression: An in-vitro pH-cycling study ', Hong Kong Dental …

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  • The effect of nano-hydroxyapatite toothpaste on

    2018-9-1 · Successful dental implants depend on osseointegrations of their surface. • Nanoparticles as technological drivers of innovation hold promise in dentistry. • Hydroxyapatite as an osteoconductive material is used in titanium-based implants. • Nano hydroxyapatites provide higher surface area and reactivity in dental implantation.

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  • A short view on nanohydroxyapatite as coating of

    2021-7-25 · A dental drill is a device that was developed to perform many different procedures, such as removing any decay, performing cosmetic adjustments, polishing fillings, and altering prosthetics. It consists of many internal parts, such as a dental turbine, the shaft, and the cutting instrument or burr.Based on the specific features and how the internal parts work, drills are put into different ...

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  • Hydration-induced nano- to micro-scale self-recovery

    2018-9-28 · The nano-scale mechanisms that are responsible for the recovery deformation, specifically the reorientation and rearrangement of mineral fragments and the inter- and intra-prismatic sliding between constituents that are closely related to the viscoelasticity of organic matrix, are examined and analyzed with respect to the structure of tooth enamel.

    Get Price
  • A Study of the Mechanical Role of Enamel and Dentin

    The dental hard tissues of a tooth are combined of enamel and dentin together. The enamel protects the dentin and comes in direct contact with food during mastication. Bite force is …

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  • Richa Dental | CHARISMA DIAMOND | CHARISMA

    2010-2-10 · The abrasion response of cross sectional areas of enamel was studied by sliding a rounded diamond conical nano-indenter tip across the surface. The nano-indenter tip (radius ~1,200 nm) was scanned over a specific squared area with a load of 400 μN. Two different environments were chosen: Hank’s balanced salt solution (HBSS) and atmospheric laboratory condition. SEM (Scanning Electron ...

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  • Methods for Biomimetic Mineralisation of Human

    2021-3-11 · The loss of overlying enamel or cementum exposes dentinal tubules and increases the risk of several dental diseases, such as dentin hypersensitivity (causing sharp pain and anxiety), caries, and pulp inflammation. This paper presents a fast-reacting, more reliable and biocompatible biomaterial that effectively occludes exposed dentinal tubules by forming a biomimetic crystalline dentin barrier ...

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  • Nano-scale sliding contact deformation behaviour of

    The application of nano–hydroxyapatite in the repa ir of early carious lesion has received considerabl e attention. Neither the remineralization effect nor the protect ive mechanism has been comprehensibly investigated and has been left to an open debate still. The primary objective of this review was to evaluate the remineralization potent ial of a toothpaste containing nano ...

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  • A Mesoporous Silica Biomaterial for Dental

    The dental handpiece is a vital part of clinical procedures in every dental operatory. As the scope of procedures increases, as well as the need and demand for more precision and efficiency in dentistry, advancements in handpiece technologies will continue to play a …

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  • [PDF] EFFECT OF NANO-HYDROXYAPATITE ON

    2009-6-30 · Dental caries, commonly known as tooth decay, is the localized demineralization of enamel or dentine caused by the acidic by products of bacteria. Current methods of detection and diagnosis routinely used in the dental surgery are limited to the subjective act of visual inspection (with aide of a metal probe known as an explorer) and bitewing X ...

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  • Dental Enamel Formation and Implications for Oral

    2017-7-1 · Dental enamel is the hardest and most mineralized tissue in extinct and extant vertebrate species and provides maximum durability that allows teeth to function as weapons and/or tools as well as for food processing. Enamel development and mineralization is an intricate process tightly regulated by cells of the enamel organ called ameloblasts.

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  • Nano Technology | Nanotechnology | Tooth Enamel

    2016-4-2 · Def: The science and technology of diagnosing , treating and preventing oral and dental disease , relieving pain and of preserving and improving dental health ,using nano scaled structures Its the science that deals with manipulation of matter at the atomic and molecular level . The basic idea of nano technology is to employ individual atoms & molecules to construct functional structures The ...

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  • Biomimetic synthesis of oriented hydroxyapatite

    physicochemical and biological properties. Dental enamel, the outermost layer of the teeth, is the hardest and most highly mineralized tissue in the vertebrate body. The fully developed mature dental enamel is made of enamel prisms, highly organized micro-architectural units, which consist of bundles of nanorod-like HAP crystals arranged roughly in

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  • A Study of the Mechanical Role of Enamel and Dentin

    2013-10-8 · The dental hard tissues of a tooth are combined of enamel and dentin together. The enamel protects the dentin and comes in direct contact with food during mastication. Bite force is expressed as compression force.

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  • Hyper-spectral Raman imaging correlating chemical ...

    2020-6-16 · yet a slightly lower Mg/P ratio in hypoplastic enamel for similar Ca/P ratios. The elemental trends generally agree with the distributions found in previous studies.[8,18,29,30] Figure 2d shows representative micro‐Raman spectra acquired in the enamel and dentin regions. The main component of dental enamel is highly mineralized and

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  • Consumables - DentaCarts | Dental market

    Features. Attachments. Adper Single Bond 2 Adhesive is a clinically proven total etch, dental bonding agent. This visible-light activated product incorporates 5nm diameter silica filler which is of 10 percent by weight. It is specifically meant for direct light-cured restorative material as well as for the treatment of cervical sensitivity.

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  • Trace elements can influence the physical properties

    2013-10-2 · Tooth enamel is composed of both an organic and an inorganic phase. The organic phase is composed of proteins such as amelogenin, ameloblastin and tuftelin, as well as minor concentrations of proteoglycans and lipoids (Belcourt and Gillmeth 1979; Eggert et al. 1973; Glimcher et al. 1964).The enamel inorganic phase is composed of well-packed nanocrystals made of calcium phosphate apatite …

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  • A potential long-lasting treatment for sensitive teeth

    2021-6-30 · The nano-filled resin coat is designed to ensure that it wears off in time. The estimated time for abrasion is around 300 to 500 days. The abrasion is uniform and once the coating has worn off, the setting of the glass hybrid is completed and will undergo its second maturation period which happens in contact with saliva (Fig. 8).

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  • Dental Enamel Formation and Implications for Oral

    2017-7-1 · Dental enamel is the hardest and most mineralized tissue in extinct and extant vertebrate species and provides maximum durability that allows teeth to function as weapons and/or tools as well as for food processing. Enamel development and mineralization is an intricate process tightly regulated by cells of the enamel organ called ameloblasts.

    Get Price
  • A Study of the Mechanical Role of Enamel and Dentin

    2013-10-8 · The dental hard tissues of a tooth are combined of enamel and dentin together. The enamel protects the dentin and comes in direct contact with food during mastication. Bite force is expressed as compression force.

    Get Price
  • Nano Technology | Nanotechnology | Tooth Enamel

    2016-4-2 · Def: The science and technology of diagnosing , treating and preventing oral and dental disease , relieving pain and of preserving and improving dental health ,using nano scaled structures Its the science that deals with manipulation of matter at the atomic and molecular level . The basic idea of nano technology is to employ individual atoms & molecules to construct functional structures The ...

    Get Price
  • Glass Hybrids: a cost-effective, long-term restorative ...

    2021-6-30 · The nano-filled resin coat is designed to ensure that it wears off in time. The estimated time for abrasion is around 300 to 500 days. The abrasion is uniform and once the coating has worn off, the setting of the glass hybrid is completed and will undergo its second maturation period which happens in contact with saliva (Fig. 8).

    Get Price
  • Mechanical behaviour of human enamel and the

    2020-2-5 · enamel, the hardness of these ceramic products is still much higher than enamel; in contrast, despite the higher elastic modulus, dental metallic alloys have very similar hardness as enamel. Furthermore, enamel has similar stress-strain relationships and creep behaviour to that of dental metallic alloys. SEM also showed enamel has an

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  • A potential long-lasting treatment for sensitive teeth

    2019-5-6 · Nano hardness test was done on (Hysitron TI 950 Triboindenter, Hysitron‐Bruker, Minneapolis, MN, USA). Using the nano DMA indenter, the loading force was 8,000 µN, 15 indents on each incisor spread among dentin, inner enamel, middle enamel and outer enamel. The data was analyzed by using Hysitron Troboscan. 2.8 Microcomputed tomography (µCT)

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  • VITA ENAMIC® - A new definition of stability.

    2021-7-19 · Incremental composite placement is typically performed to reduce the effects of polymerization shrinkage stress or to improve esthetics. Sometimes, this means simply executing a “ramp fill,” where either the buccal or lingual prep wall is filled and light cured in increments. Alternatively, Class II restorations can be placed by restoring ...

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