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  • Integrating three-dimensional digital technologies for ...

    Background: The increase in the popularity of and the demand for the use of dental implants to replace teeth has encouraged advancement in clinical technology and materials to improve patients' acceptance and clinical outcomes. Recent advances such as three-dimensional dental radiography with cone-beam computed tomography (CBCT), precision dental implant planning software and clinical ...

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  • Dental Treatments During the COVID-19 Pandemic in

    2020-12-29 · Routine dental treatments that produce significant amounts of aerosols, composed of saliva, blood, and tissue fluids, are considered to be at high risk for the spread of the virus, as it can spread via airborne transmission. Such treatments include the use of a turbine handpiece, air–water syringes, and ultrasonic scalers.

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  • Three-dimensional mandibular dental changes with

    Introduction: This study aimed to evaluate the 3-dimensional (3D) mandibular dental changes over 42 years using the registration of digital models. Methods: The sample comprised digital dental models of 8 untreated subjects (4 males and 4 females) with normal occlusion measured longitudinally at ages 17 years (T1) and 60 years (T2). ). Using 13 landmarks placed on the mucogingival junction, we ...

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  • 3D printing in dentistry - PubMed

    3D printing in dentistry. 3D printing has been hailed as a disruptive technology which will change manufacturing. Used in aerospace, defence, art and design, 3D printing is becoming a subject of great interest in surgery. The technology has a particular resonance with dentistry, and with advances in 3D imaging and modelling ….

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  • A Three-Dimensional Analysis of Skeletal and Dental ...

    Skeletal and dental measurements were performed to assess the three-dimensional differences between two sides. Pearson correlation analysis was used to determine the correlations among measurements. Results: Linear measurements, such as ramal height, mandible body length, ramal height above the sigmoid notch (RHASN), maxillary height, condylar ...

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  • Optimum Design of the Dental Air-Turbine Handpiece

    2020-1-22 · 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 by means of air flow. An air supply tube goes through the neck, body and coupler; it supplies compressed air to the head. Fig. 1.

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  • 3D Printing in Dentistry | SpringerLink

    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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  • Development and Assessment of a Three‐Dimensional

    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 …

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  • Three-dimensional assessment of dental casts'

    2018-5-25 · Methods: Three-dimensional (3D) surface models were created from CBCT scans of 26 dry human skulls. Porion (Po), orbitale (Or), internal acoustic foramen (IAF), and zygomatico-maxillary suture (ZyMS) were indicated in the software by three observers twice with a 4-week interval.

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  • Three-dimensional comparative study on the accuracy

    2018-5-1 · The 3-dimensional (3D) manufacturing industry has grown dramatically in recent years. From industrial facilities to personal devices, the worldwide sale of products related to 3D manufacturing has expanded more than 33% every year, 1 with the medical and dental fields among the fastest-growing markets. 2 To manufacture a product, a selected cast has to be digitized, either by designing in ...

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  • Dental Turbine Market to Observe Positive Growth |

    2021-2-18 · Hospitals Dental Clinics Others. Companies Includes. DentalEZ A-dec Brasseler Essential Dental Systems Morita USA Lares Research Ultradent Products Sirona Dental Systems GmbH F.F.D.M.PNEUMAT KaVot GmbH MK-dent GmbH W&H Dentalwerk NSK Nuoshibao Foshion . Dental Turbine Market Key Dynamics- Dental Turbine Market was valued at XX bn in 2019.

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  • IJMS | Free Full-Text | Fabrication of Three

    2020-3-9 · Three-dimensional observation and analysis of remineralization in dentinal caries lesions. ... (University of Leuven), Department of Oral Health Research, BIOMAT & UZ Leuven (University Hospitals Leuven), Dentistry, Kapucijnenvoer 7, 3000, Leuven, Belgium. ... The remineralization mechanism in dental caries lesions is not completely understood ...

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  • Three-dimensional observation and analysis of ...

    2016-9-1 · Three-dimensional reconstruction for thick carious lesions. Specimens used in this study were soft pulp tissues connected with hard dentin tissues (Fig. 1a). 2D images with an overlay of the differential interference contrast (DIC) channel image of a healthy control tooth were displayed scant expression of GFAP and S100B (Fig. 1b).For comparison, a matched set of 2D images from a carious tooth ...

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  • Three/four-dimensional (3D/4D) microscopic imaging

    In dental treatments where metal is indispensable material and dental implants require precise structural measurements of teeth and bones, the ability of CT scanners to perform Metal Artifact Reduction (MAR) is a very important yet unsolved problem. The increasing need for dental implants is raising the demand for a conebeam CT. In this paper, an MAR method of the Metal Erasing Method (MEM) is ...

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  • Three-dimensional metal artifact reduction method

    Additive manufacturing (AM) is rapidly gaining acceptance in the healthcare sector. Three-dimensional (3D) virtual surgical planning, fabrication of anatomical models, and patient-specific implants (PSI) are well-established processes in the surgical fields. Polyetheretherketone (PEEK) has been used, mainly in the reconstructive surgeries as a reliable alternative to other alloplastic ...

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  • Patient-Specific Surgical Implants Made of 3D Printed

    2020-3-9 · Three-dimensional observation and analysis of remineralization in dentinal caries lesions. Kumiko Yoshihara 1,2, Noriyuki Nagaoka 3, Akiko Nakamura 4, …

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  • Three-dimensional observation and analysis of ...

    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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  • Development and Assessment of a Three‐Dimensional

    2020-8-3 · The purpose of this study was to determine the acceptance of leadership empowerment efforts for female employees in three dental hospitals in Bandung. Methods. A descriptive survey was conducted and the study population was dental hospitals in Bandung. The exclusion criteria were dental hospitals which unwillingly followed the research.

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  • Three-dimensional dental model constructed from an

    2017-4-8 · Three-dimensional dental model constructed from an average dental form Introduction The purposes of this study were (1) to discover a simple method for computing an average dental form, (2) to evaluate the validity of the new computing method, and (3) to build an average digital dental model based on the resulting average dental form.

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

    2021-3-22 · apparatus (SLA); dimensional accuracy 1. Introduction Digital models can be used to manufacture various dental appliances including fixed prostheses [1]. The impressions made by digital oral scanners enable the three-dimensional (3D) modelling of teeth by a computer and the fabrication of fixed prostheses without conventional working models.

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  • Dimensional Accuracy of Dental Models for Three

    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 mandibular dental changes with

    This study aimed to evaluate the 3-dimensional (3D) mandibular dental changes over 42 years using the registration of digital models. Methods The sample comprised digital dental models of 8 untreated subjects (4 males and 4 females) with normal occlusion measured longitudinally at ages 17 years (T1) and 60 years (T2).

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  • Method to Develop Pseudo Three-dimensional Dental

    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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  • Reliability of a three-dimensional facial camera for ...

    2019-4-11 · CLINICAL RESEARCH Reliability of a three-dimensional facial camera for dental and medical applications: A pilot study Shiming Liu, DMD,a Murali Srinivasan, Dr med dent, BDS, MDS, MBA, MAS,b Roland Mörzinger, MSc,c Marcel Lancelle, PhD,d Thabo Beeler, PhD,e Markus Gross, Prof PhD,f Barbara Solenthaler, PhD,g Vincent Fehmer, MDT,h and Irena Sailer, Prof Dr med denti

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  • Three‐Dimensional Tooth Models with Pulp Cavity

    2021-4-8 · Dental anatomy is an integrated, core fundamental dental course, which prepares students for all future clinical dental courses. This study aimed to build up an online dental learning platform of micro-computed tomography-based three-dimensional (3D) tooth models with pulp cavity, and to further evaluate its effectiveness for dental anatomy ...

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  • Dental measurements based on a three-dimensional

    2021-4-1 · The purpose of this study was to assess the reliability and validity of dental measurements by comparing three-dimensional measurements of digital models derived from 3D handheld scanning of plaster models with electronic digital caliper measurement of the same plaster models, paving the way to the clinical use of this technology in dentistry. 2.

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  • Best Dental implants in Turkey ⭐Best price‎s, hospitals ...

    The final stage is dental prosthetics. The crowns (dental prostheses that are attached to all dental implants) are created for a patient using three-dimensional modeling programs. The price of dental implants in Turkey may be higher if the very latest prosthetics technology is used. However, the results often turn out to be better.

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  • Optimum Design of the Dental Air-Turbine Handpiece

    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.

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  • Three-Dimensional Analysis of Dental Casts Based on

    2003-9-1 · Recently, a more accurate quantification of dental cast information has become possible as a result of advances in the application of three-dimensional (3-D) measuring devices to dentistry.9 Motohashi and Kuroda10 simulated orthognathic surgery on digital images based on 3-D information from dental …

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  • Color and Translucency Stability of Three-Dimensional ...

    2021-1-31 · In recent years, three-dimensional (3D) printing technology has been rapidly devel-oped and widely utilized in various areas. In particular, in the dental field, 3D printing has become popular as an additive manufacturing method for dental restorations or laboratory products [1,2].

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  • WO2021053338A1 - Three-dimensional dental

    A three-dimensional (3D) dental scanning system (1) for scanning a dental object (D) includes a scanning surface (124a) to support the dental object (D); a scanning section (130) to capture a 3D scan of the dental object (D); a motion section (120) to move the scanning surface (124a) and scanning section (130) relative to each other in five axes of motion, whilst retaining the scanning surface ...

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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 age groups,2,3 ...

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  • Cone beam computed tomography in implant dentistry ...

    2018-5-17 · Background: In implant dentistry, three-dimensional (3D) imaging can be realised by dental cone beam computed tomography (CBCT), offering volumetric data on jaw bones and teeth with relatively low radiation doses and costs. The latter may explain why the market has been steadily growing since the first dental CBCT system appeared two decades ago.

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  • Three-dimensional visualization of composite fillings

    2012-9-1 · Three-dimensional visualization of composite fillings for dental identification using CT images. A Sakuma Department of Legal Medicine, Graduate School of Medicine, Chiba University, 1 …

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  • US5927982A - Three dimensional guidance system for

    A three dimensional guidance system for locating the correct or optimal angles of implant insertion into a dental patient's jawbone is described. The optimum angles, depths, and positioning are obtained as follows: a surrogate of the patient's mouth is provided in the form of stone model of the intended implant region with the edentulous area being exposed, a diagnostic work-up, usually in wax ...

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  • Apparatus for Digitalization of Dental Structures, and ...

    An apparatus for digitalization of dental structures which is precise and efficient, generating unequivocal three-dimensional data. The apparatus of the invention comprises at least one articulated arm and at least one probe, said articulated arm and probe providing dental structure scanning directly by mouth contact, being a comfortable device for the patient.

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  • Three-dimensional metal artifact reduction method

    In dental treatments where metal is indispensable material and dental implants require precise structural measurements of teeth and bones, the ability of CT scanners to perform Metal Artifact Reduction (MAR) is a very important yet unsolved problem. The increasing need for dental implants is raising the demand for a conebeam CT. In this paper, an MAR method of the Metal Erasing Method (MEM) is ...

    Get Price
  • Dental Technician - Ministry of Health

    2015-1-28 · Roles of a Dental Technician • Translates two-dimensional design diagrams and written instructions (from Prosthesist or dentist) into three design programs and written instructions into three-dimensional products based on accepted principles. • Make models of the mouth and teeth from impressions of the patient's mouth (taken by the

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  • Three-dimensional dental X-ray imaging by

    A novel three-dimensional dental X-ray imaging method is introduced, based on hybrid data collected with a dental panoramic device. Such a device uses geometric movement of the X-ray source and detector around the head of a patient to produce a panoramic image, where all teeth are in sharp focus and details at a distance from the dental arc are blurred.

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  • Three-Dimensional Analysis of Dental Casts Based on

    2003-9-1 · Recently, a more accurate quantification of dental cast information has become possible as a result of advances in the application of three-dimensional (3-D) measuring devices to dentistry.9 Motohashi and Kuroda10 simulated orthognathic surgery on digital images based on 3-D information from dental …

    Get Price
  • Three-Dimensional Imaging and Guided Surgery for

    2020-12-7 · Dental pulp stem cells (DPSCs) are the primary stem cell source for regenerative endodontics. DPSCs need to undergo a polarization process and retain the permanent polarization status to perform the function of odontoblasts. However, the factors that control DPSC polarization and its underlying mechanism remain unknown. In this study, we established a unique nanofibrous tubular three ...

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  • Nanofibrous Tubular Three-Dimensional Platform for

    Figure 2. Tooth movement (mm) after dental decompensation according to vertical skeletal pattern. Data are mean standard deviation. - 'Three-dimensional analysis of dental decompensation for skeletal Class III malocclusion on the basis of vertical skeletal patterns obtained using …

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  • Figure 2 from Three-dimensional analysis of dental ...

    Three-dimensional image acquisition, display, and analysis of dental structures was performed and validated using spiral computed tomography (SCT) with metal artifact suppression. Isolated extracted teeth, a dry mandible, cadaver mandible, and cadaver head were scanned and reconstructed using a spiral CT scanner (Siemens Somatom PLUS-S) with 1 mm detector collimation, 1-mm table feed, and …

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  • Three-dimensional dental imaging by spiral CT -

    In a desktop three-dimensional scanner for dental use of the related art, a two-axis rotation motion unit, on which a target object can be placed and rotated in order to image the entire shape of the target object, is coupled to the scanner, and thus, when a subject is placed on the imaging stage and is rotated along the horizontal axis of rotation of the stage, the subject is dropped from the ...

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  • EP2856969A1 - Desktop three-dimensional scanner

    2020-12-7 · Surgery, University Hospitals Leuven, Leuven, Belgium; 3Department of Dental Medicine, Karolinska Institutet, Stockholm, Sweden Objectives: To systematically review the existing literature on the three-dimensional (3D) radiological evaluation of secondary alveolar bone grafting (SABG) in …

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  • Three-dimensional radiological evaluation of secondary ...

    2019-9-12 · In this regard, three-dimensional (3D) spheroid formation has been developed as reliable method for increasing the pluripotency of MSCs. Moreover, using a new protocol, we have previously shown that dental tissues of extracted wisdom teeth can be effectively cryopreserved for subsequent use as a source of autologous stem cells.

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  • Three-Dimensional Spheroid Formation of

    2017-9-1 · Three impeller samples used in commercial dental turbines (as listed in table 1) have been selected to be modeled and utilized for simulation purposes. In order to achieve an accurate modeling, first of all, the turbine handpieces have been disassembled, and the impellers are 3D scanned using a digitizer apparatus (Renishaw Company, model ...

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