Results 21 to 30 of about 9,201 (247)

Peranti retensi pasca perawatan ortodonti (Retainer after orthodontic treatment) [PDF]

, 2015
Backgrounds: After orthodontic treatment has finished, treatment result must be maintained in order to prevent relapse. Retainers must be worn to avoid the tendency of going back to the previous condition.
Elly Rusdiana, Sianiwati Goenharto
core   +1 more source

Comparação de parâmetros periodontais após utilização de contenção ortodôntica com fio trançado e contenção modificada Comparison of periodontal parameters after the use of orthodontic multi-stranded wire retainers and modified retainers

Dental Press Journal of Orthodontics, 2011
OBJETIVO: o presente estudo teve como objetivo comparar dois tipos de contenções ortodônticas fixas, em relação a parâmetros periodontais estabelecidos.
Marlice Azoia Lukiantchuki, Roberto Massayuki Hayacibara, Adilson Luiz Ramos   +2 more
doaj   +1 more source

A systematic review of biocompatibility and safety of orthodontic clear aligners and transparent vacuum-formed thermoplastic retainers: Bisphenol-A release, adverse effects, cytotoxicity, and estrogenic effects

Dental Research Journal, 2023
Background: An ever-increasing demand is seen for clear aligners and transparent vacuum-formed retainers. They are esthetic and convenient. However, the biomaterials used in these appliances might pose biological safety and biocompatibility threats in ...
Marzie Yazdi, Hanie Daryanavard, Alireza Hashemi Ashtiani, Mehrnaz Moradinejad, Vahid Rakhshan   +4 more
doaj   +1 more source

Comparison of the effect of transparent film retainer and Hawley retainer

口腔疾病防治, 2017
Long⁃term stability is an important part of orthodontic treatment and wearing a retainer is one of the meth⁃ ods to keep stable after active orthodontic treatment.
ZHAOXiao⁃ju, ZHAOXiao⁃ying, ZHANG Jin⁃hui   +2 more
doaj   +1 more source

T-Scan Novus System Application—Digital Occlusion Analysis of 3D Printed Orthodontics Retainers

Applied Sciences, 2023
(1) Background: This study aims to evaluate the occlusal force distribution across different quadrants during the placement of orthodontic retainers fabricated using a biocompatible material via digital design.
Dobromira Shopova, Antoniya Yaneva, Desislava Bakova, Anna Mihaylova, Miroslava Yordanova, Svetlana Yordanova   +5 more
doaj   +1 more source

Finite Element Analysis of Fixed Orthodontic Retainers

Bioengineering
The efficacy of retainers is a pivotal concern in orthodontic care. This study examined the biomechanical behaviour of retainers, particularly the influence of retainer stiffness and tooth resilience on force transmission and stress distribution.
Sebastian Hetzler, Stefan Rues, Andreas Zenthöfer, Peter Rammelsberg, Christopher J. Lux, Christoph J. Roser   +5 more
doaj   +1 more source

Difference in Orthodontic Patients’ Perceptions of Essix and Hawley Retainers

Pesquisa Brasileira em Odontopediatria e Clínica Integrada, 2021
Objective: To determine differences in how orthodontic patients perceive the aesthetics relating to the use of Essix and Hawley retainers. Material and Methods: Photographs of a female patient using an Essix retainer and a Hawley retainer, respectively ...
Putri I. Kusumawardhani, Krisnawati E. Tarman, Benny M. Soegiharto   +2 more
doaj  

Effect of Tilted Misalignment on Tribo-Characteristics of High-Speed Ball Bearings in Liquid Hydrogen

Tribology Online, 2010
When radial load applied to the bearings was high, ball excursion occurring in the retainer ball-pockets became large due to ball-speed-variation (BSV). Such BSV was also caused by inclination of the outer race to the shaft (tilted misalignment).
Masataka Nosaka, Satoshi Takada, Makoto Yoshida, Masataka Kikuchi, Takayuki Sudo, Shohei Nakamura   +5 more
doaj   +1 more source

Dental Avengers: Taking Retainer Stability and Aesthetics into Next Era [PDF]

Journal of Clinical and Diagnostic Research, 2017
Adult patients are realizing that practical, realistic options now exist to “straighten” their teeth because the cosmetic dentistry revolution has begun to include even “adult short-term cosmetic orthodontics” as an integral part.
Sayam Patil, Sanjeev Jakati
doaj   +1 more source

Periodontal indexes of two types of 3 x 3 retainers: 0.032-in SS V-loop versus 0.0215-in SS coaxial - a randomized crossover trial

Dental Press Journal of Orthodontics
Objective: This randomized crossover trial evaluated periodontal indexes of two types of 3 x 3 retainers (a modified 0.032-in SS V-loop retainer and a conventional 0.0215-in SS coaxial wire retainer) after bonded for six months. Also, bonded failure rate,
Diogo Marques SAPATA, Cléverson de OLIVEIRA E SILVA, Renata Corrêa PASCOTTO, Thais Maria Freire Fernandes POLETI, Maristela Sayuri Inoue ARAI, Adilson Luiz RAMOS   +5 more
doaj   +1 more source