Search Results - "Hamanaka, Ryo"
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Simulation of orthodontic tooth movement during activation of an innovative design of closing loop using the finite element method
Published in American journal of orthodontics and dentofacial orthopedics (01-08-2021)“…Although many attempts have been made to study the mechanical behavior of closing loops, most have been limited to analyses of the magnitude of forces and…”
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The Impact of Drilling Guide Length of a Surgical Guide on Accuracy of Pre-Drilling for Miniscrew Insertion
Published in Applied sciences (01-01-2024)“…Background: Temporary anchorage devices (TADs) are broadly used in orthodontic treatment. TADs must be placed accurately to avoid collision against tooth…”
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Premolar and Molar Inclination Changes Following Micro-Implant-Assisted Maxillary Skeletal Expander (MSE): A Three-Dimensional Analysis and Visualization
Published in Applied sciences (01-09-2022)“…Background: To assess the changes in the inclination of the premolar and molar during a maxillary expansion with a micro-implant-assisted skeletal expander…”
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4
Dual-section versus conventional archwire for en-masse retraction of anterior teeth with direct skeletal anchorage: a finite element analysis
Published in BMC oral health (25-02-2021)“…The aim of this study is to compare the biomechanical effects of the conventional 0.019 × 0.025-in stainless steel archwire with the dual-section archwire when…”
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Development and evaluation of a jaw-tracking system for mice: reconstruction of three-dimensional movement trajectories on an arbitrary point on the mandible
Published in Biomedical engineering online (16-05-2019)“…Mastication is one of the most fundamental functions for the conservation of life. The demand for devices for evaluating stomatognathic function, for instance,…”
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Visualization of mandibular movement relative to the maxilla during mastication in mice: integration of kinematic analysis and reconstruction of a three-dimensional model of the maxillofacial structure
Published in BMC oral health (14-10-2021)“…Background Mastication is one of the most fundamental functions for the conservation of human life. To clarify the pathogenetic mechanism of various oral…”
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An Efficient Distalization Technique Using Coil Springs and Mini Screws—A Finite Element Analysis
Published in Applied sciences (01-10-2022)“…Background: More efficient molar distalization is demanded in orthodontics to shorten treatment times. In the present study, we propose a novel technique to…”
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Innovative design of closing loops producing an optimal force system applicable in the 0.022-in bracket slot system
Published in American journal of orthodontics and dentofacial orthopedics (01-12-2016)“…Introduction Most closing loops designed for producing higher moment-to-force (M/F) ratios require complex wire bending and are likely to cause hygiene…”
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Design methods for microgrids to address seasonal energy availability – A case study of proposed Showa Antarctic Station retrofits
Published in Applied energy (15-02-2019)“…•Energy flow of hydrogen supply chains using MCH and ammonia were examined.•Operation design of a microgrid with seasonal energy shifts was developed.•A…”
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A novel and simple design of the closing loop producing optimal force magnitude and moment-to-force ratio for en-masse retraction of anterior teeth
Published in Orthodontic waves (English ed.) (28-09-2020)“…Purpose: The aim of this study was to clarify the mechanical conditions of loop activation that produce the optimal force system allowing controlled movement…”
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Biomechanical effect of dual-dimensional archwire on controlled movement of anterior teeth compared with rectangular archwire: A finite element study
Published in American journal of orthodontics and dentofacial orthopedics (01-07-2024)“…This study aimed to determine and compare the effectiveness of the use of the dual-dimensional archwire and conventional rectangular archwire on tooth movement…”
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Mesial or distal to canine: Which is better for the position of closing loops? Analysis of tooth movements based on numerical simulation
Published in American journal of orthodontics and dentofacial orthopedics (01-05-2023)“…Although many studies investigating the mechanical behavior of loop mechanics have focused on loop designs to produce a higher moment-to-force ratio, few…”
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Biomechanical features of tooth movement from a lingual appliance in comparison with a labial appliance during space closure in sliding mechanics
Published in American journal of orthodontics and dentofacial orthopedics (01-09-2022)“…The objectives of this study were to simulate long-term orthodontic tooth movement in en-masse retraction using the finite element method and investigate the…”
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Numeric simulation model for long-term orthodontic tooth movement with contact boundary conditions using the finite element method
Published in American journal of orthodontics and dentofacial orthopedics (01-11-2017)“…Although many attempts have been made to simulate orthodontic tooth movement using the finite element method, most were limited to analyses of the initial…”
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15
Accuracy of splint vs splintless technique for virtually planned orthognathic surgery: A voxel-based three-dimensional analysis
Published in Journal of cranio-maxillo-facial surgery (01-01-2021)“…This study compared two transferring methods for virtually planned orthognathic surgery — the CAD/CAM intermediate splint and the customized surgical guide…”
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Types of tooth movement, bodily or tipping, do not affect the displacement of the tooth's center of resistance but do affect the alveolar bone resorption
Published in The Angle orthodontist (01-07-2017)“…To investigate how types of tooth movement, bodily or tipping, influence the displacement of the center of resistance in teeth and alveolar bone resorption…”
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Effect of gable bend incorporated into loop mechanics on anterior tooth movement: Comparative study between en masse retraction and two-step retraction
Published in Orthodontic waves (English ed.) (01-09-2015)“…To verify whether en masse retraction or two-step retraction could provide more effective torque control of the anterior teeth when varying the degree of gable…”
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Study on the fuel consumption in the Antarctica Showa Base microgrid
Published in 2016 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC) (01-10-2016)“…Currently, fuel consumption in the Antarctica Showa Base has been increasing along with research, observation activities and comfort of the base. Considering…”
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Conference Proceeding -
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Biomechanical aspects of segmented arch mechanics combined with power arm for controlled anterior tooth movement: A three-dimensional finite element study
Published in Journal of dental biomechanics (2015)“…The porpose of this study was to determine the optimal length of power arms for achieving controlled anterior tooth movement in segmented arch mechanics…”
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Numeric simulation model for long-term orthodontic tooth movement with contact boundary conditions using the finite element method
Published in Orthodontic waves (English ed.) (01-12-2018)Get full text
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