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self-ligating brackets

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https://read.qxmd.com/read/30758513/comparison-of-force-loss-due-to-friction-of-different-wire-sizes-and-materials-in-conventional-and-new-self-ligating-orthodontic-brackets-during-simulated-canine-retraction
#1
Tarek El-Bialy, Ahmad Alobeid, Cornelius Dirk, Andreas Jäger, Ludger Keilig, Christoph Bourauel
AIMS: The aim of this study was to compare force loss due to friction (Fr) during simulated canine retraction using different archwire dimensions and materials between conventional and new self-ligating brackets. METHODS: The tested brackets were (1) conventional brackets (Victory series, GAC twin and FLI twin), (2) self-ligating brackets (Damon-Q, FLI-SL, new/improved FLI-SL (I FLI-SL), SPEED, GAC innovation (R) and Ortho Classic) and (3) a low-friction bracket (Synergy)...
February 13, 2019: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://read.qxmd.com/read/30745911/load-deflection-characteristics-of-coated-and-noncoated-nickel-titanium-wires-in-self-ligating-brackets-using-a-modified-bending-test-an-in-vitro-study
#2
Tripti Tikku, Rohit Khanna, Akhil Agarwal, Kamna Srivastava, Shashank Shekhar, Ivy Shukla
Background: To determine and compare the force-deflection values of different types of nickel-titanium (NiTi) wires during unloading phase at varying deflections, that is 1 mm, 1.5 mm, 2 mm, and 2.5 mm, with the use of self-ligating ceramic brackets using modified bending test on a typodont under controlled temperature conditions. Materials and Methods: In this in vitro study total of 45 wires of ovoid shape of three different NiTi wires - pseudoelastic NiTi (Group I), heat activated NiTi (Group II), and esthetic coated NiTi (Group III) for maxillary arch were tested after insertion in ceramic self-ligating brackets bonded to plastic teeth of phantom jaw...
January 2019: Dental Research Journal
https://read.qxmd.com/read/30741577/tooth-movement-rate-and-anchorage-lost-during-canine-retraction-a-maxillary-and-mandibular-comparison
#3
Andre da C Monini, Luiz G Gandini, Alexandre P Vianna, Renato P Martins, Helder B Jacob
OBJECTIVES: To investigate the canine retraction rate and anchorage loss during canine retraction using self-ligating (SL) brackets and conventional (CV) brackets. Differences between maxillary and mandibular rates were computed. MATERIALS AND METHODS: Twenty-five subjects requiring four first premolar extractions were enrolled in this split-mouth, randomized clinical trial. Each patient had one upper canine and one lower canine bonded randomly with SL brackets and the other canines with CV brackets but never on the same side...
February 11, 2019: Angle Orthodontist
https://read.qxmd.com/read/30636098/dental-inclination-with-self-ligating-and-conventional-fixed-appliances-with-and-without-rapid-maxillary-expansion
#4
R M Rengifo, D Peña-Reyes, M R de Freitas, K M Freitas, A Aliaga-Del Castillo, G Janson
OBJECTIVE: To compare the labio- and buccolingual inclination of the anterior and posterior teeth in subjects treated with self-ligating and conventional fixed appliances with and without rapid maxillary expansion. METHODS: Seventy-one subjects with Class I malocclusion were divided into 3 groups. Group 1 comprised 24 subjects (17 female; 7 male, with a mean age of 13.94 + 2.87 years), treated with Roth's preadjusted fixed appliances. Group 2 comprised 24 subjects (14 female; 10 male, with a mean age of 13...
January 12, 2019: Orthodontics & Craniofacial Research
https://read.qxmd.com/read/30603622/effect-of-different-combinations-of-bracket-archwire-and-ligature-on-resistance-to-sliding-and-axial-rotational-control-during-the-first-stage-of-orthodontic-treatment-an-in-vitro-study
#5
Huizhong Chen, Bing Han, Tianmin Xu
Objective: This study was performed to explore the effect of different bracket, archwire, and ligature combinations on resistance to sliding (RS) and rotational control in first-order angulation. Methods: Three types of brackets (multi-level low friction [MLF], self-ligating, and conventional brackets) coupled with four nickel-titanium archwires (0.012, 0.014, 0.016, and 0.018-inch diameter) and two stainless steel ligatures (0.20 and 0.25 mm) were tested in different first-order angulations (0°, 2°, 4°, 6°, 8°, 10°, 15°, 20°) by using an Instron universal mechanical machine in the dry state at room temperature...
January 2019: Korean Journal of Orthodontics
https://read.qxmd.com/read/30603621/surface-analysis-of-metal-clips-of-ceramic-self-ligating-brackets
#6
Kyung Sook Kim, Se Jik Han, Tae-Hee Lee, Tae-Joon Park, Samjin Choi, Yoon-Goo Kang, Ki-Ho Park
Objective: The aim of this study was to analyze the surface composition, roughness, and relative friction of metal clips from various ceramic self-ligating brackets. Methods: Six kinds of brackets were examined. The control group (mC) consisted of interactive metal self-ligating brackets while the experimental group (CC, EC, MA, QK, and WA) consisted of interactive ceramic self-ligating brackets. Atomic force microscopy-lateral force microscopy and scanning electron microscopy-energy-dispersive X-ray spectroscopy were used to analyze the surface of each bracket clip...
January 2019: Korean Journal of Orthodontics
https://read.qxmd.com/read/30591155/camouflage-treatment-of-skeletal-class-iii-malocclusion-in-an-adult-cleft-palate-patient-using-passive-self-ligating-system
#7
Yuri Deswita, Benny M Soegiharto, Krisnawati E Tarman
This case report describes the successful camouflage treatment to correct a moderate skeletal Class III malocclusion in a 19-year-old male cleft-palate patient. Early closure of the palate produced palatal scar tissue that inhibited midfacial growth, causing maxillary arch deficiency, severe maxillary crowding, and anterior and posterior crossbites. Combined surgical-orthodontic therapy would have been the preferred treatment of choice; however, the patient declined this option because of surgical risks and costs...
January 2019: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30383074/increased-interpremolar-development-with-self-ligating-orthodontics-a-prospective-randomized-clinical-trial
#8
María E Mateu, Sandra Benítez-Rogé, Marina Iglesias, Diana Calabrese, María Lumi, Marisa Solla, Pedro Hecht, Alejandra Folco
In compressed dental arches with mild to moderate crowding, space can be gained during the alignment phase to help improve tooth location. The aim of this study was to compare transverse measurements before and after the alignment stage in two groups: Group A treated with passive selfligating brackets, (Damon System) and Group B with conventional brackets (Roth philosophy). The change in transverse diameter between teeth was measured on dental casts taken before and after orthodontic alignment. Twenty four patients of both sexes aged 13 to 36 years, with moderate tooth crowding (4 to 6 mm), were treated...
August 2018: Acta Odontológica Latinoamericana: AOL
https://read.qxmd.com/read/30291001/are-self-ligating-brackets-slots-dimensions-accurate
#9
Khaled H Attia, Sherif A Elkordy, Mohamed ElKoussy, Amr M Abouelezz
OBJECTIVE: The purpose of this study is to measure the dimensions of the slot's top and base of passive self-ligating brackets of three commercial and available systems and to compare the measured dimensions with the manufacturers' published dimensions. METHODS: Digital microscope was used to measure the slot's top and base of 40 Central incisor brackets by three different manufacturers, Carriere SLX (Ortho Organizer, USA), Damon Q (Oramco USA) and Smart Clip (3M Unitek USA)...
December 2018: International Orthodontics
https://read.qxmd.com/read/30268266/severe-unilateral-scissors-bite-with-a-constricted-mandibular-arch-bite-turbos-and-extra-alveolar-bone-screws-in-the-infrazygomatic-crests-and-mandibular-buccal-shelf
#10
Shuang-An Lee, Chris C H Chang, W Eugene Roberts
A 33-year-old woman had a chief complaint of difficulty chewing, caused by a constricted mandibular arch and a unilateral full buccal crossbite (scissors-bite or Brodie bite). She requested minimally invasive treatment but agreed to anchorage with extra-alveolar temporary anchorage devices as needed. Her facial form was convex with protrusive but competent lips. Skeletally, the maxilla was protrusive (SNA, 86°) with an ANB angle of 5°. Amounts of crowding were 5 mm in the mandibular arch and 3 mm in the maxillary arch...
October 2018: American Journal of Orthodontics and Dentofacial Orthopedics
https://read.qxmd.com/read/30192715/extraction-of-premolars-for-orthodontic-reasons-on-the-decline-a-cross-sectional-survey-of-bos-members
#11
Padhraig S Fleming, Susan J Cunningham, Philip E Benson, Preeti Jauhar, Declan Millett
OBJECTIVE: To obtain the opinion of British Orthodontic Society (BOS) members in relation to possible patterns of prescription of orthodontic extractions over the past 5-10 years and to relate any changes identified to treatment objectives, facial and smile aesthetics, and treatment strategies and adjuncts. DESIGN: Cross-sectional questionnaire. SETTING: On-line survey of BOS members. METHODS: A 14-item on-line questionnaire was sent to orthodontic practitioners for completion...
September 7, 2018: Journal of Orthodontics
https://read.qxmd.com/read/30146645/-investigation-on-the-effects-of-different-brackets-on-the-three-dimensional-direction-of-the-arch-in-the-non-reduction-treatment
#12
Liang Xu, Xiao-Hong Huang, Shan Lin
PURPOSE: To compare the three-dimensional effect between traditional brackets and Damon self- ligating brackets on the arch during non-extraction treatment. METHODS: Forty-five patients with non-extraction treatment were included in this study. The patients were randomly divided into 3 groups. Patients in group A were treated with traditional brackets and Nickel titanium wire. Patients in group B were treated with Damon 3mx brackets and Cu-NiTi wire. Patients in group C were treated with traditional brackets and Cu-NiTi wire...
April 2018: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
https://read.qxmd.com/read/30124322/apical-root-displacement-is-a-critical-risk-factor-for-apical-root-resorption-after-orthodontic-treatment
#13
Kyoung-Won Kim, Sung-Jin Kim, Ji-Yeon Lee, Yoon-Jeong Choi, Chooryung J Chung, Hyunsun Lim, Kyung-Ho Kim
OBJECTIVES: To identify risk factors for apical root resorption (ARR) of maxillary and mandibular incisors using mathematical quantification of apical root displacement (ARD) and multiple linear mixed-effects modeling. MATERIALS AND METHODS: Periapical radiographs of maxillary and mandibular incisors and lateral cephalograms of 135 adults were taken before and after orthodontic treatment. ARR was measured on the periapical radiographs, and movement of central incisors was evaluated on the superimposed pre- and posttreatment lateral cephalograms...
November 2018: Angle Orthodontist
https://read.qxmd.com/read/30112499/treatment-of-a-class-ii-patient-with-four-premolar-extractions-and-driftodontics-in-the-lower-jaw
#14
Neşe Yoko Gönül, Korkmaz Sayınsu
The clinical examination of an 11.10-year-old girl in permanent dentition showed severe crowding, chewing problems and her right maxillary lateral incisor was in palatal position. The molars were in Class II relationship on both sides. An extraction treatment was planned. Upper second premolars and lower first premolars were extracted. Lower crowding was eliminated using physiological tooth movement called "driftodontics". Slots sized 0.022 inches and self-ligating brackets were used. The patient also used a high-pull headgear for anchorage and vertical control reasons for a short period...
September 2017: Turkish journal of orthodontics
https://read.qxmd.com/read/30088565/surgery-first-approach-with-3d-customized-passive-self-ligating-brackets-and-3d-surgical-planning-case-report
#15
Juan Fernando Aristizábal, Rosana Martínez-Smit, Cristian Díaz, Valfrido Antonio Pereira Filho
It is possible to unify three-dimensional customized orthodontic techniques and three-dimensional surgical technology. In this case report, it is introduced a treatment scheme consisting of passive self-ligation customized brackets and virtual surgical planning combined with the orthognathic surgery-first approach in a Class III malocclusion patient. Excellent facial and occlusal outcomes were obtained in a reduced treatment time of five months.
May 2018: Dental Press Journal of Orthodontics
https://read.qxmd.com/read/29911904/evaluation-of-maxillary-buccal-alveolar-bone-before-and-after-orthodontic-alignment-without-extractions-a-cone-beam-computed-tomographic-study
#16
Juliana F Morais, Birte Melsen, Karina M S de Freitas, Nuria Castello Branco, Daniela G Garib, Paolo M Cattaneo
OBJECTIVES: To assess the changes in the maxillary buccal alveolar bone during alignment without extractions. Secondarily, to evaluate the changes in arch dimensions and buccolingual inclinations of teeth and to identify risk factors for bone loss. MATERIALS AND METHODS: Twenty-two adolescents with crowded permanent dentitions were treated without extractions with Damon 3MX brackets. Cone beam computed tomographic scans were taken before treatment (T0) and after alignment (T1)...
November 2018: Angle Orthodontist
https://read.qxmd.com/read/29900927/treatment-of-class-ii-malocclusion-and-unerupted-upper-canines-with-self-ligating-appliance
#17
Rita Catia Brás Bariani, Carlos Henrique Guimarães, Wilana Silva Moura, Cristina Lucia Feijó Ortolani, Josß Fernando Castanha Henriques, Silvio Augusto Pereira-Bellini
Treatments without tooth extractions have become more popular over the last two decades. In this context, expansion of the maxillary arch is an interesting treatment option for cases in which space is required and other factors not favoring extractions (such as the facial profile) are present. According to several authors, this posterior expansion can be obtained using a system comprising self-ligating brackets and superelastic nickel-titanium arches. The present article aims to report a case of a young patient with Class II, Division 2 malocclusion, with impacted upper canines and significant arch length-tooth discrepancy...
May 2018: Indian Journal of Dental Research: Official Publication of Indian Society for Dental Research
https://read.qxmd.com/read/29735855/mandibular-dental-arch-changes-with-active-self-ligating-brackets-combined-with-different-archwires
#18
E Atik, B Akarsu-Guven, I Kocadereli
Objective: The aim was to compare mandibular arch and incisor inclinational changes by comparing active self-ligating brackets used with different forms of archwires with a control group in nonextraction cases. Materials and Methods: The sample of 50 patients with Class I malocclusion was divided into three groups: Group I was treated with active self-ligating brackets (Nexus, Ormco/Orange, CA, USA) used with Damon arch form copper nickel-titanium (Cu-NiTi) and stainless steel (SS) wires; Group II was treated with interactive self-ligating bracket system (Empower, American Orthodontics, Sheboygan, Wis, USA) used with standard Cu-NiTi and SS wires; and Group III was treated with Roth prescribed conventional brackets (Forestadent, Pforzheim, Germany) with standard Cu-NiTi and SS wires which was designed as a control group...
May 2018: Nigerian Journal of Clinical Practice
https://read.qxmd.com/read/29719422/antimicrobial-action-of-chlorhexidine-digluconate-in-self-ligating-and-conventional-metal-brackets-infected-with-streptococcus-mutans-biofilm
#19
Ana Paula Dias, Marco Aurélio Benini Paschoal, Rafael Soares Diniz, Lucas Meneses Lage, Letícia Machado Gonçalves
Objectives: The objectives of this study were to assess the adherence of Streptococcus mutans biofilms grown over conventional ligature (CL) or self-ligating (SL) metal brackets and their bacterial viability after 0.12% chlorhexidine (CHX) digluconate treatment. Materials and methods: The sample consisted of 48 metallic orthodontic brackets divided randomly into two groups: CL (n=24) and SL brackets (n=24). S. mutans biofilms were grown over the bracket surface (96 h) and treated with CHX (positive control) or 0...
2018: Clinical, Cosmetic and Investigational Dentistry
https://read.qxmd.com/read/29691555/-clinical-research-for-non-extraction-treatment-of-maxillary-mild-to-moderate-crowding-with-damon-technology
#20
Wei Zhang, Chuan-Jie Yan, Li Li
PURPOSE: To compare the clinical efficacy of non-extraction treatment in maxillary mild-to-moderate crowding cases with Damon self-ligating system and Roth traditional brackets. METHODS: Sixty skeletalⅠorthodontic patients were selected in this study. They were divided into DamonⅠ, RothⅠ, DamonⅡ and RothⅡ group according to the bracket species and maxillary crowding degrees. Lateral cephalometric radiographs and models were measured before and after aligning and leveling to analyze the changes in dental arch and soft and hard tissue using SPSS 19...
December 2017: Shanghai Kou Qiang Yi Xue, Shanghai Journal of Stomatology
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