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  • High and low torque handpieces: cutting

    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 …

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  • Machinability of high-speed enamel cutting with

    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.

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  • High and low torque handpieces: cutting

    2000-6-24 · A W&H Toplight 898 air turbine handpiece with a free running speed of nominally 350 Krpm ± 20 Krpm. Various advance rates (the rate at which the tooth was driven towards the bur) were used during...

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  • Chemical vapor deposition diamond dental burs

    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. The present work successfully coated microcrystalline (3–7 μm) and nano-crystalline (25–50 nm) sized diamond grains on tungsten carbide surfaces and evaluated their performance at ultra-high speeds on extracted human teeth.

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  • Dental high-speed cutting of porous-machinable

    The composites exhibited a hardness, smaller and analogous to that of bovine enamel. Weight-load cutting tests were performed on the composites and bovine enamel, employing diamond points driven by an air-turbine handpiece. While the applied load was increased stepwise, we measured the rotational cutting speed and the cutting volume.

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  • A new technique for the controlled removal of

    Aim: To describe and investigate a simple, effective new method for controlled removal of unsightly, malformed surface enamel. Subjects and methods: 22 mottled incisor teeth were chosen from a group of 12 patients, aged 9-15 years. One half of the labial surface of the tooth was covered with a layer of unfilled bis-GMA resin so that it remained …

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  • A Sectioning Technique for Extraction of Impacted

    2015-12-8 · consuming process, the intense heat generated by air turbine can cause thermal damage to tissues surrounding the impacted tooth as well. Additionally, the onset of post-procedural emphysema following the use of a high- speed airturbine dental drill has been reported [7] . Therefore, using air turbine can lead to, at least indirectly,

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  • Assessment of Er:YAG laser for cavity

    Purpose: Most studies of cavity preparation using Er:YAG lasers have employed permanent teeth. This study's purpose was to compare the cutting efficiency of an Er:YAG laser versus diamond burs in primary and permanent teeth in order to measure thermal effects on the pulp and evaluate lased surfaces using scanning electron microscopy …

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  • In vivo remineralization of dentin using an

    2017-2-7 · The labial surfaces of maxillary and mandibular incisors were prepared to expose the dentin by removing the enamel using the dental high speed turbine handpieces with the water-cooled dental ...

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  • Research Article Enamel and Dentin Surface

    2019-7-31 · Medium-grit diamond burs in high-speed turbine showed the highe st mean roughness values. Fine-grit CVD tips in ultrasound presented the highest MSBS values for both enamel and dentin. 1. Introduction High-speed turbines and diamond burs have been the pri-mary choice for tooth preparation to receive direct and indi-

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  • Dental Handpiece, Dental Handpiece direct from

    2019-11-14 · The results show that during the high-speed enamel cutting with carbide bur, the chip thickness is on the nano-scale, and the plastic deformation of the machined surface is obvious. With increased material removal rate, the cutting force, torque, specific cutting energy, and bur wear increases accordingly, whereas the rotating speed …

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  • Characterization of Aerosols and Fine Particles

    Dental Teeth Machine. Dental Chair/Unit Dental Instrument. Laboratory Equipment. Intraoral Camera ... Dental Interproximal Enamel Removal Kit Automatic Strips /Dental Handpiece With Surgical Blade. 90.00 ... Dental Equipment High Speed Handpiece Standard Cartridge Repair Tools Turbine Maintenance Kit. 5.00 - 6.00 Box.

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  • Dental high-speed cutting of porous-machinable

    teeth of dental patients with diamond points (i.e. diamond particles Ni-electroplated on stainless steel bur) driven by water-cooled high-speed air-turbine or micro-motor (en-gine) headpieces; and restore remained teeth with various restorations and prostheses (e.g. inlays, crown and bridges) made of metals, ceramics, polymers and composites.

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  • Dental Handpiece - Stardent Equipment Co.,

    The composites exhibited a hardness, smaller and analogous to that of bovine enamel. Weight-load cutting tests were performed on the composites and bovine enamel, employing diamond points driven by an air-turbine handpiece. While the applied load was increased stepwise, we measured the rotational cutting speed and the cutting volume.

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  • C o pyrig h t en b y u i Dental Preparation with Sonic

    Dental High Speed Handpiece Repair Tools Turbine Maintenance FOB Price: US 70-90 ... WH LED E-Generator High Speed Air Turbine Handpiece/Self-Power Handpiece FOB Price: US 42-48 Piece. Min. Order ... Dental Orthodontic Interproximal Enamel Reduction Ipr Contra Angle 4: 1/1: 1 Kit FOB Price: US 130-160 ...

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  • Foshan Asin Dental Equipment Co., Limited -

    2020-1-26 · Vol 15, No X, 2013 1 Dental Preparation with Sonic vs High-speed Finishing: Analysis of Microleakage in Bonded Veneer Restorations Ignacio Faus-Matosesa Fernanda Solá-Ruizb Purpose: To compare marginal microleakage in porcelain veneer restorations following dental finishing using two types of instruments to test the hypothesis that microleakage will be less when teeth …

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  • Evaluating The Mineral Content of Tooth Enamel

    Foshan Asin Dental Equipment Co., Limited, Experts in Manufacturing and Exporting Dental Handpiece,Dental Scaler and 1299 more Products. A …

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  • lyncmed | eBay Stores

    A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express, the Optical Society's (OSA) open-access journal, by measuring how the surface of a tooth responds to laser-generated ultrasound, they can evaluate the mineral content of tooth enamel …

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  • Vibration characteristics of dental high-speed

    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 sparse. This preliminary study aimed to …

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  • nano Series|NSK-Nakanishi USA

    2021-6-15 · NSK's nano series preserves the high performance NSK contra-angles are known for, while these new instruments are approximately 10 percent smaller and lighter than conventional models. Yet, in combination with NLX nano micromotor nano series gives you the ease of manoeuvrability and accuracy you are used to from your air-turbine…

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  • Radiotherapy Effect on Nano-mechanical

    2021-6-5 · Results. The elastic modulus of enamel and dentin was significantly increased (P≤0.05) following radiation. Based on Raman spectroscopic analysis, there was a significant decrease in the protein to mineral ratio (2931/430 cm-1) following radiation at all sites tested except at D-500, while the carbonate to phosphate ratio (1070/960 cm-1) …

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  • Dental Handpiece - Stardent Equipment Co.,

    Dental High Speed Handpiece Repair Tools Turbine Maintenance FOB Price: US 70-90 ... WH LED E-Generator High Speed Air Turbine Handpiece/Self-Power Handpiece FOB Price: US 42-48 Piece. Min. Order ... Dental Orthodontic Interproximal Enamel Reduction Ipr Contra Angle 4: 1/1: 1 Kit FOB Price: US 130-160 ...

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  • Machinability of enamel under grinding process

    Dental enamel is one of the hardest tissues in the ... and high-speed camera (VW-Z2; Keyence, ... Material 40 complete normal extracted teeth free from corrosion Grinding speed (r/min) 5000 10,000 ...

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  • Nanotechnology in Dentistry ... - AEGIS Dental

    The use of an aqueous suspension of sapphire particles increased the efficiency of enamel removal threefold when compared with the use of an Er:YAG laser with water spray. CONCLUSIONS: The laser-abrasive method allowed for the removal of enamel and dentin at speeds approaching those of the high-speed turbine.

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  • A laser-abrasive method for the cutting of

    Get the best price for 6d Teeth Whitening among 95 products, Shop, compare, and save more with BigGo!

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  • 6d Teeth Whitening Price & Promotion - May

    2019-9-12 · the average thiekness of interproximal enamel' in the mandibular eentral ineisor, mandibular lateral inci-sors, and mandibular canines is 0,52 to 0,54 mm, 0,65 to 0,6S mm, and 0.76 to 0,90 mm, respectively. Usu-ally slightly less than half the thickness of enamel is permissible for enamel stripping, allowing Xhs maxi-

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  • Enamel stripping and the spring aligner

    Dental Materials Journal 2008; 27(4): 598-604 Original Paper The Effect of Different Light Sources on Microleakage of Bleached Enamel Bilinç BULUCU 1, Ebru ÖZSEZER2, Ertan ERTAŞ and Gözde YÜKSEL1 1Department of Operative Dentistry, Ondokuz Mayıs University, Faculty of Dentistry, Samsun, Turkey 2Department of Endodontics, Ondokuz …

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  • Benefits of the Latest High Speed Dental

    2020-2-9 · Air turbine driven handpieces offer much higher speed, up to 400,00 rpm, with variable torque. Common uses for high speed handpieces. High speed dental handpieces are used for many purposes: The removal of tooth enamel and tissue. To prepare teeth for fillings and/or crowns. To remove parts of a tooth where there may be a need to create …

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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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  • teeth need fillings High-Speed and Fully

    It is the most effective against stubborn stains and plaque caused by smoking , coffee,iced tea and more. 2- Revolutionary teeth cleaning, by Physical Absorption Principle to clean brown teeth and keep teeth whitening,no hurt enamel. 3- More obvious and much faster effect/result, but cheaper price than other teeth cleaning products.

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  • High Speed & Low Speed dental handpiece UK -

    Dental handpiece units may be high- or low-speed. Dental handpiece motors may be air turbine. When choosing any dental handpiece, be sure to research what type of maintenance must be performed, and remember, dental handpieces are an investment, so it is wise to do the research and choose the best fit for your practice.

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  • International Journal of Applied Dental Sciences

    The teeth were mounted on plaster of paris upto 2mm apical to the cemento enamel junction and stored in distilled water in a refrigerator. Class II box cavities were made on both the proximal sides of molar using a Straight fissure diamond abrasive bur (SF12 mani) in a water cooled high- speed air turbine handpiece. After thermocy

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  • Repair of tooth enamel by a biomimetic

    2019-12-5 · exposure only at the enamel cavosurface margin when a self-etching primer adhesive system was used.6 Dental practitioners need better scientific data from clinical studies to determine the in-office bleaching effects on the use of nanohybrid and nano ceramic micro hybrid composite resin materials in anterior teeth. Laboratory …

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  • Clinical evaluation of in-office tooth bleaching effects

    2019-9-12 · the average thiekness of interproximal enamel' in the mandibular eentral ineisor, mandibular lateral inci-sors, and mandibular canines is 0,52 to 0,54 mm, 0,65 to 0,6S mm, and 0.76 to 0,90 mm, respectively. Usu-ally slightly less than half the thickness of enamel is permissible for enamel stripping, allowing Xhs maxi-

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  • Enamel stripping and the spring aligner

    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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  • Products — Azdent.com

    New product dental high speed handpiece 5 LED'S light handpiece A quality Type 2 holes 4 holes Model Standard Spray 5 water spray Air pressure 0.2~0.24Mpa Water pressure 198kpa (2 kg) Speed 370,000-420,000 rpm Burs applicable φ 1.59mm~ φ 1.6mm Noise ≤6 0dB Working torque ≥75Ncm Push bottom type Can be 135℃ …

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  • Dental Orthodontic Interproximal Enamel

    Dental Handpiece. High Speed Push Button Handpiece; High Speed Wrench Type Handpiece ... Dental Low Speed Straight N... 41.99 Was: 58.99; Dental Fiber Optical Inner ... 488.99 Was: 684.99; Your Position: ... (IPR) is the remaval of small omounts of outer enamel tooth surface betwwen two adjacent teeth it is a means to acquire …

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  • 10 Boxes Dental High Speed Super Coarse

    We're one of the largest online dental suppliers based on many qualified manufacturers in china. Full length: 22.0mm. Full length: 18.0mm. Looking forward to our friendly & win-win cooperation! Work length: 5mm. See details. - AZDENT Dental Ortho Interproximal Enamel High Speed Diamond Burs Tooth Drills. See all 84 brand new listings.

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  • Evaluation of the effect of nanohydroxyapatite on

    2015-9-21 · without fluoride) in slow speed and air turbine hand pieces rotating in low speeds of between 500 to 1500 rpm. The teeth were then examined under a steromicroscope (Carton Industries Ltd SCW- E- Thailand) (×40) for absence of any enamel irregularities, microscopic carious lesions and micro fractures; 18

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  • Lab Air-Z High Speed Turbine – Shofu USA

    Lab Air-Z High Speed Turbine. High-speed turbine is a robust, ultra-quiet, precision instrument designed for extended laboratory duty with speeds of 360,000 rpm. PN 5339 • Lab Air-Z Oil-Free System. Includes hand piece, foot air controller, air filter/pressure regulator, mounting bracket.

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  • Microleakage of Different Self-adhering Materials

    2017-10-11 · surfaces with a cylindrical diamond bur in an air water-cooled high-speed turbine. A single operator prepared the standard cavities without beveling, such that the occlusal margin was in enamel and the gingival margin was in dentin. Teeth were randomly separated into three groups with 15 teeth in each group and restored.

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  • star dental handpiece, star dental handpiece

    US 1.00-20.00 Piece. LZQ TOOL CO., LTD. 1,670 star dental handpiece products are offered for sale by suppliers on Alibaba.com, of which other dental equipments accounts for 4%, dental handpiece accounts for 1%. A wide variety of star dental handpiece options are available to you, such as ce. You can also choose from steel, metal, and plastic ...

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  • COXO MEDICAL INSTRUMENT CO., LTD. - COXO

    COXO is a professional dental products manufacturer in China. News. Dental South China2021 review. During the Dental South China2021 Exhibition, COXO carried out a famous teacher lecture activity, invited three teachers …

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  • A simple, sensitive and non-destructive technique for ...

    Bovine anterior teeth (110) were polished with up to 1200-grit silicon carbide paper to produce flat enamel surfaces, which were then immersed in 20mL of the beverages for 30min at 37°C. The ...

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  • Composite Attachments with Clear Aligners by

    The recommended treatment was Invisalign clear aligners to level and align the teeth and upper and lower arches, as well as broaden the arches to create a wider smile. Because of the nature of the tooth movements required, composite attachments on the facial surfaces of teeth #7, #13, #22, #27 and #28, as well as a metal button on tooth number ...

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  • Regeneration of pulpo-dentinal–like complex by

    Dental pulp is critical to maintain the vitality of a tooth. Regeneration of pulpo-dentinal complex is of great interest to treat pulpitis and pulp necrosis. In this study, through three-dimensional spheroid culture, a group of unique multipotent stem cells were identified from mouse dental papilla called multipotent dental pulp regenerative stem cells …

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