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three-dimensional dental turbine speed for correcting teeth

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  • An automatic robotic system for three-dimensional

    Method: We present an automatic laser ablation system for tooth crown preparation in dental restorative operations. The system, combining robotics and laser technology, is developed to control the laser focus in three-dimensional motion aiming for high speed and accuracy crown preparation. The system consists of an end-effector, a real-time ...

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  • Can you 3D Print Your Own Invisalign Braces? -

    In dental implantology and virtual dental surgery planning using computed tomography (CT) images, the examination of the axes of neighboring and/or biting teeth is important to improve the performance of the masticatory system as well as the aesthetic beauty. However, due to its high connectivity to …

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  • Automatic teeth axes calculation for well-aligned

    In particular, thermoformable plastic positioning appliances which fit over the patient's teeth may be formed over a three-dimensional mold of the patient's dentition. An apparatus and methods...

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  • US7578674B2 - Methods for correcting tooth

    2020-1-22 · It is a vital equipment of dentistry to prevent, diagnose and treat diseases. With the increasing social demand such as cosmetic needs, oral hygiene and management, the importance and necessity of high speed air-turbine handpieces is also growing. A dental air-turbine handpiece system consists of a head, neck, body and coupler, as shown in Fig. 1. The head consists of an impeller and housing, and the impeller rotates at a high speed …

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  • Optimum Design of the Dental Air-Turbine Handpiece

    Previously, however, bulky and expensive laboratory equipment was required. A portable test machine is described for determining three key characteristics of dental air-turbine handpieces: free-running speed, stall torque and bearing resistance.

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  • A testing machine for dental air-turbine handpiece ...

    2017-9-1 · The source of rotation power is to convert high pressure air into mechanical work via a micro rotor. The rotor blades rotate at high speed, and the bur is applied to the teeth. Usually, high speed air-turbine dental handpieces operate at 200,000 to 400,000 revolutions per minute [5].

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  • A Numerical Study on Performance of Dental Air

    2021-5-1 · A partial pulpotomy was then performed through this access using a high-speed air turbine and diamond bur (440, Shofu Inc., Kyoto, Japan) with water coolant. The resected surface underwent combined irrigation with 10% sodium hypochlorite and 3% hydrogen peroxide solution to achieve chemical amputation ( Fig. 3 C).

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  • Intentional partial pulpotomy to talon cusp for tooth ...

    Ozone (O3) is a supercharged version of regular Oxygen (O2). We use it at PCHD as a means of improving bone healing after extractions, bone grafting and implant placement. It does this by sterilizing the surgical bed and enhancing the quality of blood flow to the affected area. This prevents infections while enhancing bone formation.

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  • Cavitations and Ozone - Pittsburgh’s Holistic Dentist

    1989-1-1 · SUMMARY The dimensional accuracy of the dies was evaluated in complete dental arch casts made by three different methods of dislodging the impression tray. In one method the tray was dislodged parallel to the long axis of the abutment and in the other two the trays were inclined with the fulcrum at either the posterior or anterior region of the complete dental arch.

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  • Three-dimensional measurement of residual adhesive

    The brackets were debonded on a testing machine at a cross-head speed of 1 mm per minute. Models were made of each tooth before bonding, after debonding, and after removal of residual adhesive. The models were scanned with a 3-dimensional laser scanning machine, and the scanned images were analyzed by using modified analytical software.

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  • China Dental Supplies Air Turbine 3 Water Spray High

    High Speed Handpiece, Air Turbine, Air Turbine 3 Water Spray manufacturer supplier in China, offering Dental Supplies Air Turbine 3 Water Spray High Speed Handpiece Push Button, Dental Endodontic Wireless Endo Motor with 16: 1 Contra Angle for Root Canal Treatment, Dental Equipment Cordless Endodontic LED Endo Motor with 16: 1 Contra Angle and so on.

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  • Scaling Three-Dimensional Low-Pressure Turbine

    2016-5-10 · A cold-flow, large-scale, low-speed (LS) rig was built in order to investigate and validate new design criteria, providing reliable and detailed results while containing costs. This paper presents the design of an LS stage and describes a general procedure that allows to scale three-dimensional (3D) blades for LS testing.

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  • A preliminary study on a tooth preparation robot

    2021-4-9 · 1.3. Three-dimensional measurement device: laser three-dimensional confocal microscope (VK-X200, Keyence, Japan) and three-dimensional measurement software (Geomagic qualify 2012, 3M, U.S.A.) 1.4. This study included 20 isolated natural teeth samples (maxillary and mandibular first molars) extracted due to periodontal disease

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  • A Numerical Study on Performance of Dental Air

    2017-9-1 · Usually, high speed air-turbine dental handpieces operate at 200,000 to 400,000 revolutions per minute [5]. The main part of the dental air turbine is its high speed rotor head consisting of a casing with air inlet and outlet nozzles, impeller, spindle, chuck …

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  • Crowns, Inlays and Onlays While You Wait in Shadyside

    2020-1-22 · An air-turbine and associated air supply tube was optimized as a dental air-turbine handpiece system. The system consists of an air-turbine with an impeller and a housing, and an air supply tube which supplies compressed-air to the air-turbine. The flow characteristics of the dental air-turbine handpiece system were investigated using ANSYS CFX. The study aimed to find the …

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  • Optimum Design of the Dental Air-Turbine Handpiece

    2017-3-20 · Although we often consider color the main challenge of anterior composite restorations, finishing and polishing procedures are the ones that let us create the shape and texture that are just as crucial, as they’re necessary to restoring all the three-dimensional features that natural teeth have.

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  • The step by step in finishing and polishing: anterior ...

    2016-1-29 · machining process in the same way. The cutting resistance during machining was measured over the three direc-tional elements of the X, Y, and Z axes at the same time with a fixed dynamometer from HK & Co., type 9257B. When we measured the dimensions before and after machining of the TPs, we used a three-dimensional mea-suring instrument.

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  • Research on the Deformation of Turbine Blades at

    2013-11-13 · Three-dimensional simulation of thermal field for a high-speed turbine generator. V. N. Antipov, I. Yu. Kruchinina & A. D. Grozov Russian Electrical Engineering volume 84, pages 487–491 (2013)Cite this article

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  • Dental high speed air turbine handpiece turbine 4

    dental laser treatment ... occur incidentally with the use of a high-speed air turbine handpiece, there have been some reports over the past decade of cases caused by dental laser treatment. Emphysema as a complication caused by the air cooling spray of a dental laser ... Three-dimensional CT images in particular clearly illustrate the volume

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  • Australian Dental Journal - Wiley

    2021-6-27 · 1.8. Dental magnifying loops helps in keeping a distance (depending on the focal point of the loupes) between the dentist's face and the working site. Wearing dental magnifying loupes helps correcting your posture, improves visibility, and reduces your tendency to getting closer to the oral cavity.

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  • Aerosol in dental practices | KaVo Dental

    2007-4-28 · Three-dimensional topographic scanning electron microscope and Raman spectroscopic analyses of the irradiation effect on teeth by Nd:YAG, Er:YAG, and CO2 lasers. J …

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

    Digital 3D Printing in Orthodontics. Many experts are now referring to 3D printing as the next ‘industrial revolution.’ 3D printing, or Additive Manufacturing, is a process that allows for the creation of a physical object by means of a three-dimensional digital model file. …

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  • Dentistry Journal | Free Full-Text | Dental Restorative ...

    2021-6-23 · 1.8. Dental magnifying loops helps in keeping a distance (depending on the focal point of the loupes) between the dentist's face and the working site. Wearing dental magnifying loupes helps correcting your posture, improves visibility, and reduces your tendency to getting closer to the oral cavity.

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  • Digital 3D Printing in Dentistry | OrthoDenco

    2007-1-23 · The sound level that exceeds this frequency is called ultrasonic sound. In dental units, equipment such as ultrasonic scalers, high-speed air turbine drills, high-volume evacuators, and amalgamators mostly produce high intensity noise that may be a potential hazard to the auditory system of the persons exposed to the ultrasound.

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  • Aerosol in dental practices | KaVo Dental

    2014-1-14 · The aim of this study was to demonstrate the effectiveness of an analysis of tooth brushing cycles using a system that measures tooth brushing motion and brushing force with an accelerometer and strain tension gage attached to a toothbrush. Mechanical plaque removal with a manual toothbrush remains the primary method of maintaining good oral hygiene for the majority of the population.

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  • Australian Dental Journal - Wiley

    dental laser treatment ... occur incidentally with the use of a high-speed air turbine handpiece, there have been some reports over the past decade of cases caused by dental laser treatment. Emphysema as a complication caused by the air cooling spray of a dental laser ... Three-dimensional CT images in particular clearly illustrate the volume

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  • Aerosol in dental practices | KaVo Dental

    2021-6-27 · 1.8. Dental magnifying loops helps in keeping a distance (depending on the focal point of the loupes) between the dentist's face and the working site. Wearing dental magnifying loupes helps correcting your posture, improves visibility, and reduces your tendency to getting closer to the oral cavity.

    Get Price
  • 3D Accuitomo 170 - Morita - PDF Catalogs | Technical ...

    With 9 fields of view and multiple acquisition modes, the 3D Accuitomo 170 can meet all of your diagnostic needs with unparalleled quality. Its super-fine minimal voxel size of just 80µm allows diagnosing even the most subtle details of bone and dentition. The 3D Accuitomo 170 is highly recommended by leading dental radiologists for ...

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  • Anti Aging Dentistry

    2013-11-4 · Following a healing period of four months, the patient returned to begin the guided surgery treatment planning phase. A PreXion3D scanner (PreXion Inc.; San Mateo, Calif.) was used to obtain CBCT images in the DICOM file format (Fig. 3).The CBCT scanner captured the subsurface anatomy of the patient and constructed a three-dimensional image out of a series of two-dimensional slices.

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    2018-11-26 · An experimental electric circuit (a) was tested on a bread board (a), and then this circuit was printed on a round printed circuit board (PCB) (b).This flexible PCB could be rolled into a round form due to its bending property (c); as a result, the diameter of the PCB was reduced to 25 to 26 mm for adaptation into the dental handpiece.A 3-dimensional model (d) with a prototype (e) was created ...

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  • Development of a dental handpiece angle correction

    2013-5-1 · Clear provisional stents made from the composite mock-ups can also serve as three-dimensional preparation guides to verify proper tooth reduction (Fig. 6). A completed incisal view and full-smile retracted view are shown in Figures 7 and 8. Compare these to the preoperative views (Figs. 1, 2) to visualize prosthetic corrections. Figure 9 is an ...

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  • Loading

    2007-4-28 · Three-dimensional topographic scanning electron microscope and Raman spectroscopic analyses of the irradiation effect on teeth by Nd:YAG, Er:YAG, and CO2 lasers. J …

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

    Image set provides a basis for the three-dimensional modeling as it, in principle, covers the entire articulatory space of the subject. It consists of 54 images each of one neutral tongue position and 43 Swedish articulations of 13 vowels and 10 consonants in the symmetric vowel contexts '!# ' /. The corpus covers all long Swedish

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  • Effective Texture Models for Three Dimensional Flow ...

    2013-1-31 · Effective Texture Models for Three Dimensional Flow Visualization ... the flow of gas in a turbine or wind over an airplane wing, blood flow in the human body - these are all cases where adequate flow ... ’teeth’ we combine λnumber of teeth together, as in Figure 2(f). 1

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  • 3D Accuitomo 170 - Morita - PDF Catalogs | Technical ...

    With 9 fields of view and multiple acquisition modes, the 3D Accuitomo 170 can meet all of your diagnostic needs with unparalleled quality. Its super-fine minimal voxel size of just 80µm allows diagnosing even the most subtle details of bone and dentition. The 3D Accuitomo 170 is highly recommended by leading dental radiologists for ...

    Get Price
  • Three Dimensional Design of a High Speed Radial

    2015-3-18 · This paper is concerned with the design of a high speed, 5 inch diameter radial-inflow turbine for medium-sized diesel engine turbocharger applications. The turbine was designed by a newly developed fully three dimensional compressible inverse design method, in which the blade shapes are computed for a specified distribution of r V ¯ θ ⁠ .

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  • China Dental Handpiece manufacturer, LED Curing

    2021-5-31 · Dental Equipment, Dental Unit, Ultrasonic Scaler, Light Cure, X-ray Unit, Air Turbine Handpiece, Micro Motor Unit, Low Speed Handpiece, Teeth Whitening, Apex Locator City/Province Zhengzhou, Henan, China

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  • SCI-FI dentistry: Are bionic teeth the future? | British ...

    2014-11-7 · Three-dimensional virtual mouths can be used by dental professionals in training and are similar to flight simulators for pilot training, with sensory controllers to help simulate resistance felt ...

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  • Anti Aging Dentistry

    Tip endwall contouring is one of the most effective methods to improve the performance of low aspect ratio turbine vanes [1]. In view of the wide variety of geometric parameters, it appears that only the physical understanding of the three-dimensional flow field will allow us to evaluate the probable benefits of a particular endwall contouring.

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  • Effects of Tip Endwall Contouring on the Three

    2018-11-26 · An experimental electric circuit (a) was tested on a bread board (a), and then this circuit was printed on a round printed circuit board (PCB) (b).This flexible PCB could be rolled into a round form due to its bending property (c); as a result, the diameter of the PCB was reduced to 25 to 26 mm for adaptation into the dental handpiece.A 3-dimensional model (d) with a prototype (e) was created ...

    Get Price
  • Development of a dental handpiece angle correction

    Dental Product, Dental Handpiece, High Speed Dental Handpiece manufacturer supplier in China, offering Push Button Type Low Speed Contra Angle (New type), Straight Contra Angle Air Motor Dental Low Speed Handpiece, Dental Handpiece Kits with Ceramic Bearing Cartridge and so on.

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  • China Dental Product manufacturer, Dental

    1991-9-5 · A fully three-dimensional compressible inverse design method for the design of radial and mixed flow turbomachines is described. In this method the distribution of the circumferentially averaged swirl velocity r V θ on the meridional geometry of the impeller is prescribed and the corresponding blade shape is computed iteratively. Two approaches are presented for solving the compressible flow ...

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