Prior to 1998, orthodontic clear aligner treatment was predominantly for very minor tooth movement usually at the end or orthodontic treatment or to treat minor alignment relapse. Clear aligners use computerized 3D technology to visualize and move the teeth in a virtual model. This technology along with advances in 3D printing and manufacturing efficiencies allow aligners to be produced in a large number and in a timely fashion. Initial cases weremild crowding or spacing which progressto cases that need expansion and malocclusion correction. This clear aligner technique is continually evolving because of research and development in materials, and manufacturing techniques, auxallaries and computer programming of tooth movement
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MICROSTRUCTURAL ANALYSIS OF HELIUM DISTRIBUTION IN NICKEL AND INCONEL X750
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Sonic And Ultrasonic Scalers
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CLEAR ALIGNERS A NEW TECHNIQUE IN ORTHODONTICS
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- Author: : Dr. RITIKA MOTGHARE ,Dr. NISHI ANANT ,Dr. PRAVEEN KALAI ,Dr. PREETI SINGH ,Dr. ABIN MOHAMMED B N ,Dr. POORVI YADAV
- Language : English
- Paperback : 89 pages
- ISBN-13 : 978-93-5515-280-0
- Country of Origin : India
- Generic Name : Thesis
- Publisher : Book Rivers(24 March 2022)
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Fracture Behavior of Biological Materials and Interfaces
Fracture Behavior of Inhomogeneous Biological Materials and Interfaces
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This work is focused on studying different layers of human tooth, and its interface for crack initiation and growth, the crack arresting behavior of the interface layer of the outer cover of human tooth, the enamel, and the inner, dentine, called dentine enamel junction. These works are done by developing a numerical model using the commercial finite element analysis tool, ABAQUS. The crack growth pattern of the enamel and the dentine has also been investigated. The role of porosity and permeability on the energy release rate which is the measure of fracture toughness has also been investigated. The key features of the book are:
- Study on the role of shear modulus of the defect and the matrix material in which the defect is embedded on the energy release rate.
- The role of small coating layer between the outer matrix and the inner layer on the fracture behavior, especially the stress concentrations in these different layers due to change in the elastic modulus.
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RasoiGhar Relish the goodness from simple food habits
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