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  • Three-dimensional simulation of human teeth and its ...

    2016-12-24 · A three-dimensional model of dental teeth can improve dental research and specialized training (18,19) as well as develop simulation software of oral surgery, orthodontics, and endodontic implants (20,21). The aim of this study was to create a three-dimensional model of the virtual teeth, used in dental education and the finite element analysis ...

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  • THREE DIMENSIONAL INTERACTIVE DENTAL CHARTING

    2018-10-1 · component required to be developed to represent the 3D model of the teeth in the form of a dental chart. This component represents the dental charting interactive interface in order to provide a complete and reliable way to represent the three-dimensional model of the human teeth on the computer display.

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  • Development and Assessment of a Three‐Dimensional Tooth ...

    2018-10-30 · Tooth morphology has a pivotal role in the dental curriculum and provides one of the important foundations of clinical practice. To supplement tooth morphology teaching a three-dimensional (3D) quiz application (app) was developed.

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  • Three-dimensional assessment of dental casts' occlusal ...

    2008-5-9 · The aim of this study was to assess by means of a three-dimensional computed tomography scanning system the occlusal surface characteristics of dental casts made using two different impression materials. Alginate and polyvinyl siloxane impressions were taken of 20 dental students resulting in 40 dental casts.

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  • Three-dimensional imaging of internal tooth structures ...

    2016-8-1 · In contrast to these invasive techniques, modern imaging systems permit non-invasive analyses of the three-dimensional structure of human teeth. Owing to the relative ease of acquisition, handling, and distribution of the respective data, digital imaging techniques will also significantly influence dental education.

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  • Three Dimensional Dental Anatomy Software Program for ...

    Teaching Oral Anatomy using Digital Interactive Dental Models. Tooth Explorer TM is a three dimensional dental software program designed to teach oral anatomy in a highly efficient digital environment. This program provides dentistry students with an interactive, three-dimensional dental library of 32 individual adult teeth.

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  • Three‐dimensional assessment of dental casts’ occlusal ...

    2008-10-16 · Summary The aim of this study was to assess by means of a three-dimensional computed tomography scanning system the occlusal surface characteristics of dental casts made using two different impression materials. Alginate and polyvinyl siloxane impressions were taken of 20 dental students resulting in 40 dental casts. The casts were paired for each student …

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  • Method to Develop Pseudo Three-dimensional Dental Image ...

    2011-1-1 · Three-dimensional digitizer can obtain three-dimensional surface dataset of teeth and gum from dental cast. Most digitizers available on today market measure shape of target object using the light section method shown in Fig. 1.The method projects slit-light onto target object and shoot it from other direction, and work out shape by stereo measurement theory [].

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  • Three-Dimensional Proxies to Dental Wear Characterization ...

    2021-1-5 · Dental wear is a function of age-at-death in human skeletal populations. However, discrete scoring proxies of dentine exposure areas have shown to largely depend on dietary life-history and cultural practices. In addition, dental wear greatly limits research on dental morphological variability since unworn teeth …

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  • Case Report - Hindawi

    2019-7-31 · traditional method used for correcting anterior single tooth or multiple tooth dental crossbite. It has to be used only if there is enough space in dental arch for labial movement of the upper incisors. Clinically it can be used in cases when upper incisors are in crossbite with more than one half of vertical overbite. The movement of teeth ...

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  • THREE DIMENSIONAL INTERACTIVE DENTAL CHARTING

    2018-10-1 · component required to be developed to represent the 3D model of the teeth in the form of a dental chart. This component represents the dental charting interactive interface in order to provide a complete and reliable way to represent the three-dimensional model of the human teeth on the computer display.

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  • VIRTUAL THREE- DIMENSIONAL ANALYSIS OF DIGITIZED

    2019-9-29 · Three different dental surface digitization devices were used in the studies, a laser scanner and two touch-probe scanners. The point-clouds resulting from the digitizations of the master dies of ... three-dimensional replica of the teeth. The opposing, occluding teeth are also registered, either by a separate . Virtual 3D analysis of digitized ...

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  • Development and Assessment of a Three‐Dimensional Tooth ...

    2018-10-30 · Tooth morphology has a pivotal role in the dental curriculum and provides one of the important foundations of clinical practice. To supplement tooth morphology teaching a three-dimensional (3D) quiz application (app) was developed.

    Get Price
  • Method to Develop Pseudo Three-dimensional Dental Image ...

    2011-1-1 · Three-dimensional digitizer can obtain three-dimensional surface dataset of teeth and gum from dental cast. Most digitizers available on today market measure shape of target object using the light section method shown in Fig. 1.The method projects slit-light onto target object and shoot it from other direction, and work out shape by stereo measurement theory [].

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  • Three-Dimensional Bone Block Planning for Mandibular ...

    2020-10-5 · The three-dimensional structure ensures stable support for the teeth and implant. The use of 3D technology ensures the best treatment results. By means of fully individualized bone, the technical problem of an imprecise fit is eliminated, and tooth regeneration is assured.

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  • Movement of anterior teeth using clear aligners: a three ...

    2018-4-2 · Zhang XJ, He L, Guo HM, Tian J, Bai YX, Li S. Integrated three-dimensional digital assessment of accuracy of anterior tooth movement using clear aligners. Korean J Orthod. 2015;45:275–81. Article PubMed PubMed Central Google Scholar 29. Elkholy F, Panchaphongsaphak T, Kilic F, Schmidt F, Lapatki BG.

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  • Three-dimensional finite element analysis of a porcelain ...

    2018-12-1 · Since anatomy of human teeth, have complex geometry a three-dimensional coordinate measuring machine (3D CMM) with the precision of 5 µm is used to generate an accurate three-dimensional solid model. Computer aiding design technology is used to translate the three-dimensional model form 3D CMM into ABAQUS finite element package for analysis.

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  • Three-dimensional finite element modelling of all-ceramic ...

    2013-5-1 · Anatomically accurate three-dimensional finite element models of a dental crown and 3-unit FPD can be generated by combining micro-CT scanning and Mimics software interactive tools. Tensile stresses were observed in the crown at the near-load area of the veneer and at the internal surface of the core.

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  • A safe, stable, and convenient three-dimensional device ...

    2020-9-11 · Le Fort I osteotomy is a highly effective treatment for skeletal jaw deformities and is commonly performed. High Le Fort I osteotomy is a modified surgical procedure performed for improving the depression of the cheeks by setting the osteotomy higher than the conventional Le Fort I osteotomy. Developments in three-dimensional (3D) technology have popularized the use …

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  • Case Report - Hindawi

    2019-7-31 · traditional method used for correcting anterior single tooth or multiple tooth dental crossbite. It has to be used only if there is enough space in dental arch for labial movement of the upper incisors. Clinically it can be used in cases when upper incisors are in crossbite with more than one half of vertical overbite. The movement of teeth ...

    Get Price
  • Three Dimensional Dental Imaging & Scans

    The 3D dental imaging system provides a quick scan that improves the opportunity to catch issues early, makes the health of the maxillofacial complex easier to understand and provides very reliable results. The scanning process only takes 14 seconds. The doctor will review the scan with you, and you will be able to see your teeth…

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  • Three-dimensional analysis of tooth movement after ...

    2012-9-4 · Two-dimensional (2D) studies using lateral cephalograms and parallel periapical radiographs evaluated positional changes of the tooth after intrusion using TADS.12–19 These 2D assessments, however, had difficulty evaluating three-dimensional (3D) dental movements, which may have caused errors associated with the measurement of small distances ...

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  • Three-dimensional finite element analysis of glass-ceramic ...

    1. J Biomech. 1990;23(11):1157-66. Three-dimensional finite element analysis of glass-ceramic dental crowns. Hojjatie B(1), Anusavice KJ. Author information: (1)Department of Dental Biomaterials, College of Dentistry, University of Florida, Gainesville 32610-0446. Because of the improved esthetic potential of glass-ceramic crowns as dental restorations, they are sometimes …

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  • Three dimensional finite element analysis of a dental ...

    Download Citation | On Dec 31, 2006, R. P. Hoo and others published Three dimensional finite element analysis of a dental tooth from exact structure …

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  • Analysis of tooth movement in extraction cases using three ...

    2007-5-19 · Introduction. The dental cast is the traditional three-dimensional (3D) patient record for measuring linear changes in the dental arch. However, it does not provide important information such as structural and volumetric changes in the palate or 3D measurements of orthodontic tooth …

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  • Three-dimensional surgical simulation improves the ...

    2017-1-10 · Three-dimensional maxillofacial images were acquired using an i-CAT CBCT scanner (Imaging Sciences International, Hatfield, PA) with a low-dose protocol and patient teeth in …

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  • Real-time three-dimensional jaw tracking in ...

    1. J Oral Rehabil. 2017 Aug;44(8):580-588. doi: 10.1111/joor.12521. Epub 2017 Jun 10. Real-time three-dimensional jaw tracking in temporomandibular disorders.

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  • Sonic and ultrasonic scalers in periodontal treatment: a ...

    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 …

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  • The Systematic Treatment of a Canted Smile - Oral Health Group

    2018-2-14 · The Systematic Treatment of a Canted Smile. February 14, 2018. by Pio Modi, BSc, DDS; Trevor Laingchild, RDT, AAACD. Introduction. For dentists who have a keen interest in Cosmetic Dentistry, it is exciting when a patient expresses an …

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  • How Much Do Dental Veneers Cost in the UK? - The Dental ...

    After enamel removal, the dentist will take dental impressions of the teeth by placing soft putty into a tray and resting the tray around the teeth, or by using advanced dental software that can generate three-dimensional pictures of the patient’s …

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  • Three-dimensional dental model analysis of treatment ...

    Three-dimensional analysis of the maxillary dental models in the buccopalatal, anteroposterior, and vertical directions showed significant differences in tooth movements between the headgear and the mini-implant (miniscrew or miniplate) groups.

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  • Three-dimensional diagnosis andorthodontic treatment of ...

    Recent developments in software technology have made it possible to create a virtual three-dimensional (3D) model of the dental arches from digitally scanned impressions of a patient's dentition. This model may then be manipulated with software to produce stages of tooth movement from the initial malocclusion to the final desired occlusion.

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  • Three-dimensional finite element analysis of glass-ceramic ...

    1. J Biomech. 1990;23(11):1157-66. Three-dimensional finite element analysis of glass-ceramic dental crowns. Hojjatie B(1), Anusavice KJ. Author information: (1)Department of Dental Biomaterials, College of Dentistry, University of Florida, Gainesville 32610-0446. Because of the improved esthetic potential of glass-ceramic crowns as dental restorations, they are sometimes …

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  • The dental cavities of equine cheek teeth: three ...

    2012-9-25 · The dental cavities of equine cheek teeth: three-dimensional reconstructions based on high resolution micro-computed tomography. Kopke S(1), Angrisani N, Staszyk C. Author information: (1)Institute of Anatomy, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, Hannover, D- 30173, Germany. [email protected]

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  • Three-dimensional surgical simulation improves the ...

    2017-1-10 · Three-dimensional maxillofacial images were acquired using an i-CAT CBCT scanner (Imaging Sciences International, Hatfield, PA) with a low-dose protocol and patient teeth in …

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  • Dimensional Accuracy of Dental Models for Three-Unit ...

    Previous studies on accuracy of three-dimensional (3D) printed model focused on full arch measurements at few points. The aim of this study was to examine the dimensional accuracy of 3D-printed models which were teeth-prepped for three-unit fixed prostheses, especially at margin and proximal contact areas. The prepped dental model was scanned with a desktop scanner.

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  • Three-dimensional Evaluation of Dentoskeletal Changes ...

    2018-5-29 · AbstractThe aim of the study was to evaluate in a three-dimensional manner the dentoskeletàl changes after slow maxillary expansion. The sample consisted of 34 children with a unilateral, symmetrical posterior cross-bite. Half of the children were treated with a quad-helix and the rest with a removable appliance. Assessment of the changes was made with study casts, and …

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  • Three-dimensional analysis of tooth dimensions in the MSX1 ...

    2012-8-31 · Objectives A novel, 3D technique to measure the differences in tooth crown morphology between the MSX1 cases and non-affected controls was designed to get a better understanding of dental phenotype-genotype associations. Materials and methods Eight Dutch subjects from a single family with tooth agenesis, all with an established nonsense mutation …

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  • (PDF) Dimensional Accuracy of Dental Models for Three-Unit ...

    2021-3-22 · Three 3D-printing procedures were analyzed by Yoo et al. to evaluate the dimensional accuracy that can be obtained in the case of dental models for three …

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  • Three-dimensional reconstruction of teeth and jaws based ...

    2014-3-13 · The objective of the present study was the development and clinical testing of a three-dimensional (3D) reconstruction method of teeth and a bone tissue of the jaw on the basis of CT images of the maxillofacial region. 3D reconstruction was performed using the specially designed original software based on watershed transformation.

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  • Three-dimensional terahertz pulse imaging of dental tissue ...

    Generating images of layered tissue structures can give valuable information to clinicians. However, the provision of accurate imaging of certain tissue structures, like teeth, in 3-dimensions is still a difficult problem. We present a method that relies on the use of pulsed Terahertz radiation to gain 3-dimensional information from teeth samples.

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  • Three-dimensional surgical guide approach to correcting ...

    2020-12-29 · Three-dimensional surgical guide approach to correcting skeletal Class II malocclusion with idiopathic condylar resorption ... His maxillary dental midline was coincident with the facial midline, while the mandibular dental midline deviated 1 mm to the right. ... To retract the proclined mandibular anterior teeth and obtain sufficient space for ...

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  • Integration of dental models in a three-dimensional ...

    1995-5-1 · To overcome this problem, we integrated dental models within a three-dimensional replica using a face bow. This method reproduces a more precise replica of the maxillofacial bones. Methods PRODUCTION OF THE REPLICA A replica of the maxillofacia1 bones is made by an identical method to that previously reported.l'2 Multi- ple data of the head and ...

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  • Measurements of dental cast profile and three-dimensional ...

    2019-7-9 · If the three-dimensional shape of dental casts at the different stages is digitized into a computer, three-dimensional tooth movement can be obtained by numerical calculation. In this paper, we describe a system designed for the three-dimen­ sional measurement of dental cast profiles and tooth movement during orthodontic treatment. lJ.

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  • Three-Dimensional Inclination of the Dental Axes in ...

    2001-8-1 · The 3-dimensional arrangement of teeth in a normal, healthy human dentition follows some general rules. For instance, the occlusal surfaces of teeth in the mandibular arch have been described as tangent to a 100-mm (or 4-inch) sphere, which was first described by Monson about 80 years ago.1 This global spatial disposition, which also has recently been measured in different …

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  • [Diagnostics and planning of orthodontic treatment of ...

    3D scanning of plaster jaw models and further processing of the received data in editing program for three dimensional models Rapid Form 2006 Basis is one of the used methods of diagnostics of patients with crowded teeth position (measurement of anthropometric parameters of jaw models, dental arches symmetry, sizes and forms of dentitions).

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  • Dental Impressions: Definition, Types, And Uses

    2021-1-22 · Dental impressions are negative imprints of the teeth and oral cavity (gums, surrounding tissues, etc.). Impressions are used to create three-dimensional models are commonly used in prosthodontics, orthodontics, dental crowns and …

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  • Australian Dental Journal - Wiley

    All three teeth were subjected to three-dimensional micro-CT imaging at a resolution of 20 lm. Results: Tooth 73 from the first case displayed dentine pores (channels) that established communication between the pulp chamber and the exposed dentine surface. In comparison, tooth 73 from the second case had a major vertical crack

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  • Effective Texture Models for Three Dimensional Flow ...

    2013-1-31 · sidered an easier task compared to the three dimensional case. For three dimensions, problems of clutter and occlusion make flow vi-sualization a challenge. One way to reduce occlusion is to utilize semi-transparency. Semi-transparency provides partial visibility of flow features that oth-erwise would be fully occluded. An example is shown in ...

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  • What is 3D Dental Imaging and Why is it Important?

    2018-7-25 · These terms all refer to the same thing: a three-dimensional x-ray called Cone Beam Computed Tomography. This advanced dental imaging technology has revolutionized dentistry in so many ways. More Information, Less Radiation. To put it succinctly, a cone beam gives us vastly more information about your teeth and jaws than any other type of x-ray ...

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  • Three-dimensional visualization of composite fillings for ...

    Teeth have four or five surfaces each and can undergo a variety of dental treatments. Therefore, post-mortem dental information is one of the most reliable methods for personal identification. However, incorrect post-mortem dental charting due to overlooked dental treatments will result in misidentification.

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  • A three-dimensional dental model restoration method based ...

    2021-7-15 · First, intra-oral image and smiling image are taken from the patient, then teeth shapes of the images are designed based on esthetic restoration concepts and the pixel coordinates of the teeth’s contours are converted into the vertex coordinates in the three-dimensional space. Second, the dental mesh model is divided into three parts ...

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  • US Patent for Three dimensional fabricating material ...

    2018-10-23 · A three-dimensional printed dental device formed from rapid prototyping with printable polymerizable materials, the dental device comprising a polymeric composition, wherein the polymeric composition, after curing, has at least one property of flexural strength, flexural modulus, fracture toughness, and work of fracture that is at least 20% greater in measured value …

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  • Three-dimensional analysis of the relationship between the ...

    2018-12-27 · The purpose of this study is to investigate the interrelationship between tooth preparation and dental structure of Chinese maxillary central incisors and provide scientific guidance for clinical all-ceramic restoration. Forty-five specimens of maxillary central incisors were fabricated by 3D printer based on data of Micro CT scanning. Subsequently, every three …

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  • Multiplane Sectioning and Scanning Electron Microscopy as ...

    2021-2-9 · KEY WORDS: Dental enamel, prisms, Retzius lines, tufts, acid-etching, multiplane sectioning, three-dimensional structure, scanning electron microscopy 7893 Introduction Knowledge of the three-dimensional structure of a cell, a tissue or an organ is important for understanding its morphogenesis, functions and reactions.

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  • Three-Dimensional Modeling of a Twisted-Blade Darrieus ...

    Authors: Three-Dimensional Modeling of a Twisted-Blade Darrieus Vertical-Axis Wind Turbine Abstract: A complete CAD procedure to model a twisted-bladed vertical-axis wind turbine (VAWT) is presented with the aim of determining some practical guidelines to be used for the generation of an easily-meshable CAD geometry to be adopted as the basis of both CFD and FEM numerical …

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  • [Observations on three dimensional images for cracks of ...

    PURPOSE: Intraoral views of teeth with dowel and post hole taken by small three-dimensional X-ray CT (3DX) were compared with three-dimensional images from specimen sections of the same extracted teeth. This comparison shows the usefulness of 3DX for examination of cracked teeth in the oral cavity. MATERIALS AND METHODS: After taking dental tomographic images using 3DX for fractured teeth …

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  • Does Augmented Visual Feedback from Novel, Multicolored ...

    2020-8-31 · Each model comprised three layers printed in green, yellow, and red indicating whether preparation was acceptable, limited, or unacceptable, respectively. The study used a crossover design in which the experimental group trained on five multicolored models and 10 standard plastic teeth, and the control group trained on 15 standard plastic teeth.

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  • THREE DIMENSIONAL CFD SIMULATION OF A

    2012-12-27 · This work aim was to insert in this scenario the basis for the three dimensional fluid dynamic simulation of a turbocharger for motorsport application, starting from the turbine component. Several steps in building the model are normally required, nevertheless bringing to its most reliable behaviour aligned to the calibration values.

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  • What to Know About Jaw Surgery - Bite Correction

    2020-1-30 · Your orthodontist and the oral and maxillofacial surgeon then create a treatment plan. Different devices, including x-rays, pictures, models, three-dimensional CT scanning, and virtual surgical planning, can all be used to develop the optimal jaw position. Before and During the Procedure. Expect to be given general anesthesia before surgery.

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  • Canine Exposure: Surgical Treatment of Impacted Teeth ...

    2013-3-26 · When interpreting the dental age table, three situations are possible: The root development is within the normal range but slow (there is a gap between dental and chronological age). No action should be taken; Dental and chronological age coincide but one or more teeth are late in erupting after root formation is complete.

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  • Three-Dimensional Tooth Segmentation by Integrating ...

    2016-1-19 · Barone, S, Paoli, A, & Razionale, AV. 'Three-Dimensional Tooth Segmentation by Integrating Multiple Ray-Sum Images From CBCT Data.' Proceedings of the ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference.

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  • Lingual Braces: Reliability and Aesthetics in Perfection

    A stable correction of a deep bite requires the upper and lower anterior teeth to interlock in an ideal angle. For that to happen, a clearly defined movement of each root is necessary. Only fixed lingual braces are able to reliably exert pressure on the roots of the misaligned teeth – precisely according to the treatment plan.

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  • A novel approach for planning orthognathic surgery: the ...

    A method of producing a composite model consisting of a three-dimensional printed mandible bearing plaster teeth is presented. Printed models were obtained from cone beam computed tomograms (CBCT) of dry human mandibles. The plaster casts of the teeth were obtained from impressions of the teeth of the dry mandibles. The distorted teeth of the printed models were …

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  • Invisalign technique: three case reports ISSN: 1465-3125 ...

    Extraction of teeth to alleviate dental crowding is a therapy ... three-dimensional control of tooth movement ... correction was to expand bilaterally about 3 mm to solve

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  • Dental Implants - oralsurgerymadison.com

    Dental implants provide a permanent replacement option for missing teeth. With a dental implant, replacement teeth look, feel, and function like natural teeth. You can consume even hard-to-eat foods with ease, and your mouth and jawline maintain their natural contours. Dental implants are essentially artificial tooth …

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  • Dental Terms Flashcards

    A tooth that is blocked by an adjacent tooth preventing it from erupting the surface of the gum. An impacted tooth may push other teeth together or damage the bony structures supporting the adjacent tooth. Often times, impacted teeth must be surgically removed.

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  • US20040253562A1 - Systems and methods for fabricating a ...

    A dental template to position an object on a patient's tooth includes digitizing the patient's tooth; adding virtual objects to predetermined three-dimensional positions on the digitized tooth; and fabricating the dental template to locate the object at the predetermined 3D position on the patient's tooth. The template can be used for etching or for positioning brackets on teeth.

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  • A digital workflow for modeling of custom dental implants ...

    2019-6-6 · Modern dental treatment with standard screw-type implants leave some cases unaddressed in patients with extreme jaw bone resorption. Custom-made subperiosteal dental implant could be an alternative treatment modality to sinus lift, nerve lateralization or zygomatic implant techniques. Subperiosteal dental implants were utilized for many years to treat such …

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