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  • (PDF) Investigation of the nanomechanical and

    Objective: The aim of these experiments was to compare the cutting dynamics of high-speed high-torque (speed-increasing) and high-speed low-torque (air-turbine) handpieces and evaluate the effect of handpiece torque and bur type on sub-surface enamel cracking. Temperature changes were also recorded in teeth during cavity preparation with high and low torque handpieces with diamond and …

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  • High and low torque handpieces: cutting dynamics,

    2019-7-31 · Enamel and Dentin Surface Finishing Influence on the ... turbine and ultrasound on the roughness and microshear bond strength (MBS) of a lithium silicate glass-ceramic to enamel and ... of cavities in an attempt to preserve healthy dental tissue and improve the quality of its interface with restorative materials. Lasers are one of such methods.

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  • Research Article Enamel and Dentin Surface Finishing ...

    Azdent.com online dental store mainly sells dental devices, dental supplies, dental handpieces, dental burs, dental instruments, endodontic files, orthodontic brackets, dental lab equipment, dental accessories, disposables & oral care products at affordable prices with free delivery for dentists all over the world.

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  • Dental Materials — Azdent.com

    NORA DENTAL - Markenqualität zu günstigen Preisen NORA DENTAL bietet ein umfassendes Angebot an hochqualitativen Dentalprodukten zu günstigen Preisen an: Von Behandlungseinheiten und Dentalinstrumenten bis hin zu modernster Zahnarzt-Praxisausrüstung. Ob Dental-Bedarf für Zahnarzt, Kieferchirurg, Kieferorthopäde, Zahntechniker und Dentallabor bei uns bekommen sie fast alles aus …

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  • NORA DENTAL - Praxisbedarf & Dentalbedarf günstig

    Nano-indentation with a sharp (Berkovich) and two spherical indenters with nominal tip radii of 5 and 20 μm was used to determine the elastic modulus and stress–strain response of human enamel.Indentation tests were made over a wide range of peak loads from 1 to 450 mN in two orthogonal directions, i.e., parallel and perpendicular to enamel prisms.

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  • Elastic modulus and stress–strain response of human

    2020-3-1 · The cutting of tooth enamel using a high-speed air-turbine handpiece and carbide bur is a key procedure in oral surgeries, such as the minimally invasive extraction. However, presently little is known about the cutting mechanics and material removal mechanism related to tooth enamel machinability. In this study, the machinability of high-speed ...

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  • Machinability of high-speed enamel cutting with

    2013-2-8 · Air-abrasion is a 68-year-old dental operative technique used for the removal of enamel and dentine during cavity preparation. 27,28 Air abrasion units are capable of minimally invasive tooth ...

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  • Minimal intervention dentistry: part 7. Minimally

    2021-7-5 · TNO connects people and knowledge to create innovations that boost the competitive strength of industry and the well-being of society in a sustainable way.

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  • TNO - innovation for life | TNO

    Polyetheretherketone (PEEK) is an important high-performance thermoplastic. Its excellent strength, stiffness, toughness, fatigue resistance, biocompatibility, chemical stability and radiolucency have made PEEK attractive in dental and orthopedic applications. However, PEEK has an inherently hydrophobic and chemically inert surface, which has restricted its widespread use in clinical ...

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  • Machinability of high-speed enamel cutting with

    2020-3-1 · The cutting of tooth enamel using a high-speed air-turbine handpiece and carbide bur is a key procedure in oral surgeries, such as the minimally invasive extraction. However, presently little is known about the cutting mechanics and material removal mechanism related to tooth enamel machinability. In this study, the machinability of high-speed ...

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  • Dental Biomaterials | ScienceDirect

    Publisher Summary. The dental air-turbine handpiece rapidly gained widespread acceptance by the dental profession after its introduction in the late 1950s and it continues to be used as the main means of carrying out cutting work in clinical dental practice, whether of tooth tissue or restorative materials.

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  • EFFECT OF ETCHING TIME AND ACID CONCENTRATION

    2016-4-9 · Preparation the tooth surface. With a turbine round bur (ISO 806 314 001 534 012 for primary teeth and ISO 806 314 001 534 014 for permanent teeth) and water-air cooling a cut in medio-distal direction along the vestibular surface is made. The purpose was pre-marking the depth of removal of enamel and dentine. With a turbine fissure diamond bur ...

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  • Quantitative assessment of the enamel machinability

    2015-1-1 · Enamel cutting efficiency is a major concern in clinical dentistry because it is a capacity measure for structural removal (Choi et al., 2010).Considering changeable cutting widths of enamel, cutting efficiency in relation to cutting forces, speeds, torques and specific energy was characterized using the specific material removal rate, Q w. by normalizing the cutting width, i.e., the volume of ...

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  • Chemical vapor deposition diamond dental burs for

    The concept of resilient coatings of hard materials such as metal nitrides or carbides, or diamond on functional, working surfaces of surgical equipment, is not new . However dental burs are different as they rotate at ultra-high speeds beyond 200,000 rpm and thus depositing a diamond film that stays adherent at these speeds is a main challenge.

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  • MSLI Dental Supplies

    MSLI Dental Supplies sells All, STOCK CLEARANCE !!!, PPE & DISINFECTANT ... Light Cured Adhesive for Enamel Etching Technique. PARKELL - DIGITEST III - PULP VITALITY TESTER. ... DENTAL PORTABLE AIR TURBINE UNIT - For Compressor Handpiece (4 Hole With Syringe) COLD CURE SET - Denture Base Polymers ...

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  • Direct Restorative Materials - FDA Approved |

    Direct Restorative Materials. Used during numerous dental procedures including filling cavities, endodontic treatments, prophy appointments and even some cosmetic cases, direct restorative materials are placed intraorally. These materials are often designed to replace the form, function, and look of either dentin, enamel or both, and they can ...

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  • Restorative Dentistry for the Primary Dentition ...

    2019-1-1 · In addition, a more detailed discussion of dental materials used in pediatric restorative dentistry can be found in Chapter 21. Instrumentation and Caries Removal. Nearly all instrumentation for restorative procedures is carried out with the high-speed handpiece (100,000 to 300,000 rpm, either electric or air turbine) combined with coolant.

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  • Current perspectives on dental adhesion: (2) Concepts

    2020-11-1 · Three types of enamel margin (non-bevel, 45-degree bevel and 45-degree reverse-bevel) and four composite resin materials (Estelite Asteria A2B, Tokuyama Dental Corp., Japan; Estelite Pro A2E, Tokuyama Dental Corp., Japan; Kalore E2, GC Corporation, Japan; and Clearfil Majesty ES-2 Premium A2E, Kuraray Noritake Dental Inc., Japan) were studied ...

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  • Dental Supplies, Dental Materials, Dental Supply and

    2021-7-4 · Prestige Dental Products providing low price, top-quality dental supplies, dental equipment, dental orthodontic supply, Shop the best branded of dental materials Prestige Dental …

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  • About Giomer – Shofu USA

    The nano-hybrid-sized particles provide the high level of polishability dentists have come to expect in today’s premium restorative materials. Our unique filler structure gives GIOMER restoratives the light transmission and diffusion properties of both dentin and enamel to blend well with surrounding dentition without the need for complex ...

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  • [PDF] Measurement and Analysis of Dental Handpiece ...

    This paper introduces a real-time tooth layers identification technique which is based on signal processing of air-turbine dental handpiece. The technique will serve as an assistive tool in dental restoration procedures; where the tactile and visual senses of dentists are their only feedback sources, to minimize healthy tooth removal. The vibration of the dental handpiece is measured by two ...

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  • What is Beyond the Dental Drill? - Oral Health Group

    2018-3-1 · Hard tissue dental laser systems, like the Er:YAG 2940nm and Er,Cr:YSGG 2780nm, can remove hard tissues, such as enamel and dentin, with minimal thermal side-effects similar to a high-speed dental turbine with water spray.

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  • Dental Materials - HENAN BAISTRA INDUSTRIES

    Dental Supply Light Cure Adhesive Bonding with Ce. FOB Price: US 17-35 Piece. Min. Order: 1 Piece. Contact Now. Dental Z250 Xt Universal Nano Hybrid Composite Syringe for Sale. FOB Price: US 12-25 pack. Min. Order: 1 pack. Contact Now. Top Quality Nano Hybrid Universal Dental Composite Syringe A2 …

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  • Polymerization Shrinkage Stress in Resin-Based Dental ...

    Polymerization Shrinkage Stress in Resin-Based Dental Materials 1. ... the 4-ply carbon/epoxy wind turbine blades through finite element method. ... properties of nano-particle reinforced resin ...

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  • The effect of enamel fractures on oral health‐related ...

    2019-11-12 · Letícia Donato Comim, Ângela Dalla Nora, Jessica Klöckner Knorst, Débora Nunes de Oliveira Racki, Julio Eduardo do Amaral Zenkner, Luana Severo Alves, Traumatic dental injury and oral health–related quality of life among 15 to 19 year old adolescents from Santa Maria, Brazil, Dental Traumatology, 10.1111/edt.12594, 0, 0, (2020).

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  • Dr. Dirk Mohn – Functional Materials Laboratory | ETH

    2008 - 2011. PhD student at the Functional Materials Laboratory, ETH Zurich. 2007. Master thesis at Imperial College London (GB): “Investigation of nano-sized bioactive glassparticles in composite materials”. 2003 - 2008. BSc and MSc studies in Chemical and Bio Engineering at ETH Zurich, Department of Chemistry and Applied Biosciences.

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  • PEEK :Polyetheretherketone applications in clinical

    surrounding healthy dental hard tissues. ... restorative materials has become a necessity and it has been the subject of studies (Abuna et al., 2016;Amrollahi et al., 2016, Braga, 2019Sauro and ...

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  • (PDF) Minimal Intervention Dentistry – A New Frontier

    2021-7-5 · Brightlands Materials Center (BMC) is an international research centre for new, sustainable technologies in the field of plastics and their applications. At the Brightlands Chemelot Campus in Geleen, dozens of knowledge institutes and companies are working on traditional polymers based on both oil and vegetable raw materials in a variety of ...

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  • Nanoparticles in dentin has a great response to tooth

    In the journal Nano Letters, researchers led by members from the Charité Universitätsmedizin Berlin in Germany describe how they examined the mechanical properties of tiny nanoparticle and fiber structures inside dentin - the layer of softer, porous material that lies under the much harder enamel …

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  • [PDF] Comparative evaluation of Nano

    Background To evaluate and compare the microhardness of deciduous teeth treated with nano-hydroxyapatite and calcium sucrose phosphate after iron drop exposure. Material and Methods Twenty healthy anterior deciduous teeth were collected and stored in 0.9% saline solution at room temperature. All the teeth were immersed in artificial saliva in an incubator shaker at 37° for an hour and then ...

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  • High and low torque handpieces: cutting dynamics,

    2000-6-24 · The cracking found in the subsurface enamel confirms previous work. 4,11,14 This is particularly important for the integrity of the interface when adhesive materials are bonded to …

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  • www.fob.usp.br/jaos or www.scielo.br/jaos MARGINAL ...

    cooling to the level of the cemento-enamel junction, and the remnants of the pulpal tissue discarded. Class V cavities were prepared on every tooth using diamond bur and turbine with water-cooling. Then, the teeth were divided into four groups at random and filled with different materials, as listed in Table 1.

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  • Europe Dental Turbine Market By Speed (High and

    A dental turbine is an example of a rotary instrument that is mainly driven by air compression. It is operated directly through the dental unit's called hose by a coupling. Among all the rotary equipment, the dental turbine has the highest speed but has the lowest torque.

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  • Finishing and Polishing with Modern ... - AEGIS Dental

    2017-11-22 · Materials and methods 2.1 . Specimen preparation . Thirty-six healthy human third molars (gathered as approved by the Commission for Medical Ethics of KU Leuven under the file number S57622) were stored in 0.5% chloramine solution at 4 °C and were used within 3 months after extraction.

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  • Re-mineralizing dentin using an experimental

    2018-7-13 · Dental chairs with dental unit: The purchase of dental chairs for a clinic can include simply the chair or actually form an entire dental unit including the usual handpiece equipment (micromotor, contra-angle handpiece, turbine, ultrasound, etc.) along with some other basic elements such as control panels, autoclaves, water distillers, glass ...

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  • All the equipment you need to have at your dental

    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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  • Dental Rotors and Turbines - Posts | Facebook

    The purpose of this study was to evaluate marginal leakage of composite resin restoration from cavities prepared by Er: YAG laser. The observation of the dentin surface after the application of laser irradiation was performed by LSM, the cutting surface showed a rough surface similar to scales, and exposed dentinal tubules were observed without striations or a smeared layer formation that were ...

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  • European Dental Turbine Market (2020 to 2026) - by

    2021-1-15 · The Europe Dental Turbine Market is expected to witness market growth of 24% CAGR during the forecast period (2020-2026). A dental turbine is …

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  • Surgical lasers and hard dental tissue | British Dental ...

    2007-4-28 · Of the major hard tissues, enamel exhibits greatest resistance to laser ablation and this is seen most in healthy, fluoridated, occlusal sites, where ablation rate is approximately 20% of that ...

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  • DIAGNOdent™ pen Easy detection of caries | KaVo

    2021-7-4 · This allows for early detection of fissure and proximal caries. Thanks to the proven reproducibility, the DIAGNOdent pen can also be used to monitor the development of caries. With the Paro probe, you can also detect plaque in the gingival pockets. Diagnostic device KaVo DIAGNOdent pen - safe and reliable.

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  • Buy Dental Products Online at Best Price |

    India's biggest online Dental store for Dental Product , Dental Materials , Dental Instruments Dental Equipments and more! Largest selection from all dental brands at lowest price.Payment options - COD,EMI,Credit card,Debit card & more. Buy Now!

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  • Dr. Dirk Mohn – Functional Materials Laboratory | ETH

    2008 - 2011. PhD student at the Functional Materials Laboratory, ETH Zurich. 2007. Master thesis at Imperial College London (GB): “Investigation of nano-sized bioactive glassparticles in composite materials”. 2003 - 2008. BSc and MSc studies in Chemical and Bio Engineering at ETH Zurich, Department of Chemistry and Applied Biosciences.

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  • Scientists create new class of Nano Material

    On the smallest scale, the structure of the new material resembles that of biological hard tissues, such as mother of pearl and dental enamel. It consists of uniformly sized iron oxide nanoparticles, which are coated with oleic acid. In previous studies, the bonds between the oleic acid molecules were very weak.

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  • Contamination by air turbine handpieces | British

    2005-5-28 · Within dental practice the use of ball-bearing type air-turbine handpieces is common and routine lubrication for reduced friction and associated wear and increased corrosion protection.

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  • dental handpiece Flashcards | Quizlet

    Start studying dental handpiece. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. ... disadvantages of high speed air turbine handpieces. have poor concentricity after a relatively short period of use high pitched, loud noise ... (enamel, cast metal alloys, or porcelain)

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  • Orthodontics. Part 6: Risks in orthodontic treatment ...

    2004-1-24 · 4. Non vital teeth and root treated teeth have an increased risk of resorption. 5. Heavy forces are associated with resorption, as well as the use of rectangular wires, Class II traction, the ...

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  • Work: working healthily, safely and productively | TNO

    2021-4-29 · Monitoring Work & Employment. TNO also monitors changes in Dutch labour status and their impact on the productivity, innovative capacity, health, and sustainable employability of workers in the Netherlands. We collect information from employers, employees, and self-employed people, largely in cooperation with Statistics Netherlands.

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