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  • Three-dimensional dental arch curvature in human ...

    The three-dimensional arrangement of dental cusps and incisal edges in human dentitions has been reported to fit the surface of a sphere (the curve of Monson), with a radius of about 4 inches in adults. The objective of the current study was to compare the three-dimensional curvature of the mandibular dental arch in healthy permanent dentitions ...

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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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  • Non-linear elastic three-dimensional finite element ...

    Non-linear elastic three-dimensional finite element analysis on the effect of endocrown material rigidity on alveolar bone remodeling process Dent Mater . 2009 May;25(5):678-90. doi: 10.1016/j.dental.2008.10.015.

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  • Three-dimensional analysis of occlusal curvature in ...

    Seventy-nine Japanese adults (42 males and 37 females, aged 18 to 37 years) with intact dental arches were recruited, and the occlusal curvature was estimated by calculating the radius and center position of the approximate sphere. Besides, the relative contribution of gender, age, dental arch length and width, overjet, overbite for the radii ...

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  • Three-dimensional printing technologies in the

    Purpose: Patients with maxillofacial deformities always seek for aesthetic prosthesis. Recently, three-dimensional printing technologies have been used for dental treatments on such patients. Case report: A 24-year-old man reported to the Department of Prosthodontics for replacement of his missing right ear induced by a trauma. A magnet-retained auricular prosthesis was planned for the patient.

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

    Request PDF | Three-Dimensional Inclination of the Dental Axes in Healthy Permanent Dentitions - A Cross-Sectional Study in a Normal Population | The 3-dimensional (3-D) inclination of the facial ...

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  • China Dental Filling Materials, China Dental Filling ...

    Glass ionomer cement material Fluoroaluminosilicate glass powder and polyacrylate solution application restorative filling of class 111, V cavities, wedge-shaped defect, liner & base shade three colors package 3bottles powder*20g+3bottle liquid*16ml quantity high quality material high compression strength, low polymerization heat certificate ISO13485; CE warranty three years About the dental cement, we have 1,glass ionomer cement for dental …

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  • China Dental, Dental Manufacturers, Suppliers, Price ...

    2021-6-30 · Kang Xuan, general manager of Becoming Digital Dental, a Shenzhen-based startup specializing in digital dental applications, said 3D-printing technology is reshaping China's dentistry industry. The world's most populous nation, China faces severe shortage of dental professionals, especially in rural areas, and 3D printing can help ease the situation, because it provides more cost …

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  • 3D printing injects future into medical industry -

    2021-7-1 · Zero-dimensional (0D) g-C 3 N 4 quantum dots (g-CNQDs) with three-dimensional (3D) sizes less than 10 nm have unique optical properties, biocompatibility, and fluorescence characteristics [170,181]. In particular, because of their unique up-conversion characteristic, NIR incident light can be converted into short wavelength fluorescence, which significantly increases the light response range [ …

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  • Three-Dimensional Palatal Development between 3

    2007-7-1 · Objective: To measure palatal landmarks of healthy nonpatient children aged 3 to 6 years with a normal deciduous dentition and to evaluate palatal shape independent of size. Materials and Methods: Fifty-eight dental casts of children with a normal and complete deciduous dentition were obtained and digitized with a computerized 3D instrument. At all ages, male and female data did not differ ...

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

    T1 - Three-Dimensional Inclination of the Dental Axes in Healthy Permanent Dentitions - A Cross-Sectional Study in a Normal Population. AU - Ferrario, Virgilio F. AU - Sforza, Chiarella. AU - Colombo, Anna. AU - Ciusa, Veronica. AU - Serrao, Graziano. PY - 2001/8. Y1 - 2001/8

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

    Request PDF | Three-Dimensional Inclination of the Dental Axes in Healthy Permanent Dentitions - A Cross-Sectional Study in a Normal Population | The 3-dimensional (3-D) inclination of the facial ...

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  • 3D printing injects future into medical industry -

    2021-7-17 · Research firm International Data Corporation or IDC expects worldwide spending on 3D printing to be nearly 22.7 billion with a five-year compound annual growth rate of 19.1 percent by 2022. As spending by the healthcare industry rises, dental objects and medical support objects will become the fourth-and fifth-largest use cases in 2022.

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  • Three-dimensional Assessment of Facial Alterations

    2019-8-8 · Three-dimensional Assessment of Facial Alterations Induced by Dental Prostheses The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.

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  • Three-dimensional (3D) printed scaffold and material ...

    2019-1-15 · 5.2.2. Calcium phosphate scaffolds. Among the ceramic materials, calcium phosphate is the most commonly used material for 3D printed bone scaffolds. Using 3D printing, calcium phosphate scaffolds can be printed into the structures with controlled micro- and nanoporosity and with tailored macropore architectures [96].

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  • (PDF) Accuracy of three-dimensional printing for ...

    2018-10-22 · Based on three-dimensional (3D)-printing technologies, four-dimensional (4D)-printed hierarchy scaffolds were created using a series of novel SMPs, demonstrating excellent biocompatibility and ...

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  • Advanced smart biomaterials and constructs for hard

    2021-7-16 · Three-dimensional models of the mandibular central incisor, removable orthodontic appliance, and a rectangular attachment were reconstructed. A non-linear finite element simulation was used to analyse the influence of attachment on the stress distribution of the periodontal ligament of the central incisor under tooth rotation, mesial translation, and labial-lingual translation.

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  • Theoretical & Applied Mechanics Letters

    2021-7-20 · Theoretical & Applied Mechanics Letters, 2021, 11 (2): 123-127. doi: 10.1016/j.taml.2021.100239. The laser-induced porous graphene (LIG) prepared in a straightforward fabrication method is presented, and its applications in stretchable strain sensors to detect the applied strain are also explored.

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  • A Review on Biomaterials in Dental Implantology

    2015-7-11 · The earliest dental implants were of stone and ivory cited in archeological records of China and Egypt before the Common Era. Gold and Ivory dental implant were used in the 16th & 17th centuries. Metal implant devices of Gold, Lead Iridium, Tantalum, Stainless Steel and Cobalt alloys were developed in the early 20th century ( 3 ).

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  • Current trends in dental implants - PubMed Central

    2014-4-28 · 1. Macro features of endosseous implants. Dental implants are designed to achieve primary mechanical stability and to promote a strong bone-implant interaction over time through osseointegration19,20.For endosseous implants, there are three major macro-aspects: 1) screw threads, 2) solid body press-fit designs (cylindrical, conical), and/or 3) porous-coated designs21,22.

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  • Integration of digital maxillary dental casts with 3D ...

    2019-1-20 · Intraoral and facial photographs, dental casts, and a routine set of two-dimensional (2D) radiographs have been obtained for orthodontic diagnosis and treatment planning for decades. 1 Recent studies suggested that lateral cephalometric radiographs were dispensable for most orthodontics treatment decisions. 2 Noninvasive imaging systems including laser scanners, 3 …

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  • Additve Manufacturing for Production and Industry |

    For more than 30 years, we have shown this time and time again across many collaborative projects. The right 3D printing solution for your production including certified materials, consulting and a comprehensive range of services. Additive manufacturing is a key element of the manufacturing of tomorrow.

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  • Custom fabrication of try-in wax complete denture

    2017-8-7 · 2. Materials and methods 2.1 3D data acquisition In the study, dental casts and wax occlusion rims of an edentulous patient were used. The patient had visited the Prosthodontics Division, Peking University Hospital of Stomatology (Beijing, China), and had undergone restorative treatment to receive removable complete dentures. The

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  • Three-dimensional structural interrelations between

    2020-6-23 · Three-dimensional reconstruction of these pores showed that they formed channels (Fig. 1J) predominantly along the longitudinal direction of collagen fibril bundles. Whether these pores are filled with fluid or may contain organic material such as glycosaminoglycans and/or cell processes is difficult to determine with current FIB-SEM analysis.

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  • Clinical applications of 3D printing technology in hip joint

    nozzle to print in the 2-dimensional (2D) x–y plane bonded into a cross-sectional shape, and then in the z-coordinate layer stack, to ultimately result in the formation of 3D struc-tures20. The whole 3D printing process is shown in Fig. 1. Three-dimensional techniques and materials that have been

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  • Materials | Free Full-Text | Review on Development

    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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  • 3‐T imaging of the cranial nerves using

    2008-1-24 · Three-dimensional sequences with T2 and T2* images have been advocated as the techniques best suited for demonstration of the sixth, seventh, and eighth nerves, etc. (3-5). Dailiana et al ( 3 ) defined the anatomy of the facial nerve with 3D gradient-recalled acquisition in the steady state (GRASS) (3D-FISP) sequence techniques.

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  • Materials | An Open Access Journal from MDPI

    Materials is a peer-reviewed, open access journal of materials science and engineering published semimonthly online by MDPI.The Portuguese Materials Society (SPM), Spanish Materials Society (SOCIEMAT) and Manufacturing Engineering Society (MES) are affiliated with Materials and their members receive a discount on the article processing charges.. Open Access — free for readers, with …

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  • 3D Dental Systems

    3. Normal Depth Perception. An innovative compact and robust optical system directs images to two HD cameras. Left and right cameras capture the images intended for the left and right eyes–thus eliminating the binocular eyepieces of dental microscopes. The images from the left and right cameras are processed into a 3D image, yielding the ...

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  • Generation of 3D Tooth Models Based on Three

    2015-7-22 · CANTÍN, M.; MUÑOZ, M. & OLATE, S. Generation of 3D tooth models based on three-dimensional scanning to study the morphology of permanent teeth. Int. J. Morphol., 33(2):782-787, 2015. SUMMARY: The dental student should have thorough knowledge of the dental morphology and develop adequate manual skill

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  • Aims Press-Three-dimensional mandibular motion

    2020-8-28 · The aim of this study was to develop a prototype three-dimensional optical motion capture system based on binocular stereo vision, Back-propagation (BP) Neural Network and 3D compen-sation method for accurate and real-time recording of mandibular movement. A specialized 3D method of compensation to eliminate the involuntary vibration motions by human heart beating and respiration.

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  • Growth hormone receptor gene variant and three

    2016-7-26 · Objective: To examine the relationship between three-dimensional mandibular morphology and growth hormone receptor (GHR) gene variants in a healthy Japanese population. Materials and Methods: The subjects, who were unrelated Japanese orthodontic patients, consisted of 64 men and 114 women.Using the Taqman genotyping assay, GHR gene rs6184 and rs6180 variants were detected in …

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  • Three Dimensional Facial Growth Analysis - Full Text

    2018-5-2 · Three Dimensional Facial Growth Analysis The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government.

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  • Three Dimensional Simulation of the Effect of

    2019-11-20 · To achieve this, CFD (computational fluid dynamics) tool is used to simulate the air flow in a three dimensional room fitted with a windcatcher based on the different inlet designs. The divergent inlet has captured the highest air flow with a difference of approximately 3% compared to the uniform inlet and 5% difference compared to the bulging ...

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  • Jinma Industrial Group Co.,Ltd - en.sdjinma.net

    2021-7-24 · Ri Zhao Kumho Jinma Chemistry Co.,Ltd was founded in 2007, located inTaoluo industrial zone,donggang, was invested by Kumho korea and Jinma Industrial Goup, the total investment is RMB 400 million, and annual capacity is 150.000 tons of SB-latexes. The company established the provincial level research center of aynthetic latex, which is the ...

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  • Dental Materials 411 - A Complete Consumer Guide

    Dental Materials 411. Dental technicians’ work serves as the cornerstone in the fabrication process of most dental prosthetics. Your dentist usually relies on one or more dental lab technicians to help craft your single tooth restoration, full mouth reconstruction, or smile makeover.

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  • Materials | Free Full-Text | Review on Development

    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 ...

    Get Price
  • Generation of three-dimensional heart organoids ...

    2020-9-16 · Generation of three-dimensional heart organoids. Date: September 16, 2020. Source: Tokyo Medical and Dental University. Summary: Researchers engineered three-dimensional …

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  • Randomized controlled clinical trial on the three ...

    2012-8-31 · The use of fast-setting impression materials with different viscosities for the one-stage impression technique demands precise working times when mixing. We examined the effect of varying working time on impression precision in a randomized clinical trial. Focusing on tooth 46, three impressions were made from each of 96 volunteers, using either a polyether (PE: Impregum Penta …

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  • making work easy 1 - Renfert

    2020-2-19 · dental practice, patients and specialists 4 Creation of photos and video sequences Optimum assessment of object structures in 3D mode The EASY view 3D’s three-dimensional mode enables easy hand-eye coordination and a natural working position. Its three-dimensional spatial representation is perfect for critically examining work objects.

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  • Additive Manufacturing Technology: Potential

    2014-11-22 · the hundreds or thousands until a three-dimensional object emerges. Raw materials may be in the form of a liquid, powder, or sheet and are typically plastics and other polymers, 14 metals, or ceramics. 9 OECD, Structural Analysis Database (accessed September 24, 2013).

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  • Three-Dimensional Aggregates of Mesenchymal Stem

    2019-9-9 · A comprehensive analysis of human dental pulp cell spheroids in a three-dimensional pellet culture system Archives of Oral Biology, Vol. 91 Neural Differentiation of Spheroids Derived from Human Induced Pluripotent Stem Cells–Mesenchymal Stem Cells Coculture

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  • High-Biofidelity Biomodel Generated from Three

    2019-9-8 · Three dimensional X rays in digital mode will help to diagnose the dental issues in a rapid manner September 8, 2019 In the dental related issues, the pain-affected place will be found after a longer period of diagnosis and this is more tough thing handled by the dentists.

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  • Three dimensional X rays in digital mode will help to ...

    2021-7-21 · Using additive manufacturing technology, three-dimensional solid objects of virtually any shape can be made from a digital model Definition > Additive manufacturing (AM) is a process of making a three-dimensional solid object of virtually any shape from a digital model > AM uses an additive process, where materials are applied in successive layers

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  • Additive Manufacturing - Roland Berger

    2016-3-1 · Bio-ink. Bio-ink developments are one of the most challenging issues in the 3D bio-printing process. Generally, the ink must fulfil the biological, physical and mechanical requirements of the printing process. Firstly, from a biological aspect, the ink should be biocompatible whilst allowing cell adhesion and proliferation.

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  • Three-dimensional printing of biological matters ...

    2017-11-2 · The designed data was imported to an FDM three-dimensional printer (Lingtong II, SHINO Tech, Beijing, China) to fabricate trays using polylactic acid as the raw material (Fig. 1e i –1h i ...

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  • Clinical evaluation of final impressions from three ...

    2018-6-4 · In recent years, biodegradable metallic materials have played an important role in biomedical applications. However, as typical for the metal materials, their structure, general properties, preparation technology and biocompatibility are hard to change. Furthermore, biodegradable metals are susceptible to excessive degradation and subsequent disruption of their mechanical integrity; this ...

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