Results 11 to 20 of about 3,007 (165)

Simulation of miniscrew-root distance available for molar distalization depending on the miniscrew insertion angle and vertical facial type. [PDF]

PLoS ONE, 2020
ObjectiveThe purpose of this study was to evaluate the effects of miniscrew insertion angle and vertical facial type on the interradicular miniscrew-root distance available for molar distalization.Materials and methodsCone-beam computed tomography images
Ju-Hyun Yoon, Jung-Yul Cha, Yoon Jeong Choi, Won-Se Park, Sang-Sun Han, Kee-Joon Lee   +5 more
doaj   +2 more sources

Stress distributions of a bracket type orthodontic miniscrew and the surrounding bone under moment loadings: Three-dimensional finite element analysis

Journal of Orthodontic Science, 2016
Objectives: To evaluate the effect of moments and the combination of forces and moments on the mechanical properties of a bracket type miniscrew, resembling engagement of a rectangular wire by three-dimensional (3D) finite element study.
Shabnam Ajami, Ahmad Mina, Seyed Amin Nabavizadeh   +2 more
doaj   +2 more sources

Optimizing Anterior En Masse Retraction with Miniscrew Anchorage [PDF]

Case Reports in Dentistry, 2011
In severely protrusive patients, skeletal anchorage from miniscrew is often used to avoid anchorage loss with preferred miniscrew location near centre of resistance (Cres) of posterior teeth.
Pavankumar Janardan Vibhute
doaj   +2 more sources

A Study of Success Rate of Miniscrew Implants as Temporary Anchorage Devices in Singapore [PDF]

International Journal of Dentistry, 2015
Objective. To find out the success rate of miniscrew implants in the National Dental Centre of Singapore (NDCS) and the impact of patient-related, location-related, and miniscrew implant-related factors. Materials and Methods.
Song Yi Lin, Yow Mimi, Chew Ming Tak, Foong Kelvin Weng Chiong, Wong Hung Chew   +4 more
doaj   +2 more sources

Maxillary Skeletal Expansion with Monocortical and Bicortical Miniscrew Anchorage: A 3D Finite Element Study

Applied Sciences, 2022
The aim of the present study is to use a 3D finite element analysis to investigate and compare the transverse displacement and stress distribution between stainless steel miniscrews and titanium alloy miniscrews used for monocortical and bicortical ...
Pao-Hsin Liu, Yu-Feng Chen, Chin-Yun Pan, Ming-Hsuan Sheen, Bang-Sia Chen, Hong-Po Chang   +5 more
doaj   +2 more sources

Mechanical properties and biocompatibility of a novel miniscrew made of Zr70Ni16Cu6Al8 bulk metallic glass for orthodontic anchorage

Scientific Reports, 2023
The purpose of the present study was to fabricate a miniscrew possible for clinical application using Zr70Ni16Cu6Al8 bulk metallic glass (BMG), which has high mechanical strength, low elastic modulus, and high biocompatibility.
Shutaro Sasaki, Masahiro Seiryu, Hiroto Ida, Shunro Miyashita, Nobuo Takeshita, Daiki Irie, Yoshihiko Yokoyama, Teruko Takano-Yamamoto   +7 more
doaj   +1 more source

Bacteremia After Orthodontic Miniscrew Insertion

Frontiers in Dentistry, 2022
Objectives: Use of miniscrews has become very common in orthodontic treatment of patients. Following tissue manipulation during miniscrew placement, bacteremia may occur, which is important in patients susceptible to infective endocarditis.
Masood Feizbakhsh, Pedram Daneshkazemi, Sina Mobasherizade, Niloofar Fallah   +3 more
doaj   +1 more source

Effect of Different Head Hole Position on the Rotational Resistance and Stability of Orthodontic Miniscrews: A Three-Dimensional Finite Element Study

Sensors, 2021
The orthodontic miniscrew is driven into bone in a clockwise direction. Counter-clockwise rotational force applied to the implanted miniscrew can degrade the stability.
Jin-Young Choi, Min-Jung Kim, Seong-Hun Kim, Kyu-Rhim Chung, Gerald Nelson   +4 more
doaj   +1 more source

The Evaluation of the Epidemiology and Etiology of Plate and Screw Removal after Orthognathic Surgery in Mashhad Dental School during 2016-2018 [PDF]

Journal of Mashhad Dental School, 2020
Introduction: The present study aimed to evaluate the rate ofminiplate and miniscrew removal and its etiology after orthognathic surgery during 2016-2018.
Reza Shahakbari, Sahand Samiee rad, Shilan Hasanalizade, Abdollah Javan Rashid   +3 more
doaj   +1 more source

Effect of archwire plane and archwire size on anterior teeth movement in sliding mechanics in customized labial orthodontics: a 3D finite element study

BMC Oral Health, 2022
Background The aim of this study was to evaluate anterior teeth movement with different archwire planes and archwire sizes during space closure with and without miniscrew in sliding mechanics.
Jianhua Wu, Xiaoting Wang, Yiyang Jiang, Zichen Wu, Qun Shen, Yucheng Chen, Qianjiao Meng, Niansong Ye   +7 more
doaj   +1 more source