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Orthodontics, brackets, lingual

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https://www.readbyqxmd.com/read/28339591/comparison-of-the-force-levels-among-labial-and-lingual-self-ligating-and-conventional-brackets-in-simulated-misaligned-teeth
#1
Ahmad Alobeid, Tarek El-Bialy, Said Khawatmi, Cornelius Dirk, Andreas Jäger, Christoph Bourauel
Background/objective: The aim of this study was to evaluate force levels exerted by levelling arch wires with labial and lingual conventional and self-ligating brackets. Materials/methods: The tested orthodontic brackets were of the 0.022-in slot size for labial and 0.018-in for lingual brackets and were as follows: 1. Labial brackets: (i) conventional bracket (GAC-Twin, Dentsply), (ii) passive self-ligating (SL) brackets (Damon-Q®, ORMCO; Ortho classic H4™, Orthoclassic; FLI®SL, Rocky Mountain Orthodontics) and (iii) active SL brackets (GAC In-Ovation®C, DENTSPLY and SPEED™, Strite)...
January 25, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28257733/effects-of-orthodontic-appliances-on-the-diagnostic-quality-of-magnetic-resonance-images-of-the-head
#2
Dzmitry Zhylich, Pradeep Krishnan, Prakash Muthusami, Tammy Rayner, Manohar Shroff, Andrea Doria, Bryan Tompson, Wendy Lou, Sunjay Suri
INTRODUCTION: The influence of 4 commonly used fixed orthodontic appliances on artifact formation and diagnostic quality of magnetic resonance (MR) images of the head produced by a 3-T MR scanner was studied. METHODS: Stainless steel brackets, ceramic brackets, combination of ceramic brackets and steel molar tubes, and multistranded steel mandibular lingual retainers were embedded into custom-made trays for each of 10 adult subjects. Head MR scans of 9 regions were acquired for each subject wearing these trays...
March 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/28125144/evaluation-of-force-released-by-deflection-of-orthodontic-wires-in-conventional-and-self-ligating-brackets
#3
Rodrigo Hitoshi Higa, Nayara Thiago Semenara, José Fernando Castanha Henriques, Guilherme Janson, Renata Sathler, Thais Maria Freire Fernandes
Introduction: The aim of the study was to evaluate deflection forces of rectangular orthodontic wires in conventional (MorelliTM), active (In-Ovation RTM) and passive (Damon 3MXTM) self-ligating brackets. Material and Methods: Two brands of stainless steel and nickel-titanium (NiTi) wires (MorelliTM and GACTM), in addition to OrmcoTM copper-nickel-titanium wires were used. Specimens were assembled in a clinical simulation device especially designed for this study and tested in an Instron universal testing machine...
November 2016: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/28024773/comprehensive-treatment-approach-for-condylar-hyperplasia-and-mandibular-crowding-with-custom-lingual-braces-and-2-jaw-surgery
#4
Panagiotis G Kyteas, W Stuart McKenzie, Peter D Waite, Chung H Kau
We report on the successful treatment of a 32-year-old woman with condylar hyperplasia and severe mandibular crowding. In addition, her maxilla was canted to the right, her mandibular midline and chin point deviated to the left, and her maxillary canines were missing. The treatment plan included (1) aligning and leveling the teeth in both arches, (2) correcting overbite and overjet, (3) performing LeFort I osteotomy and bilateral split osteotomies, and (4) correcting the malocclusion postsurgically. The orthodontic treatment was performed with custom lingual braces and clear brackets, and virtual surgical planning techniques were used to plan the orthognathic surgery...
January 2017: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27999798/impact-of-orthodontic-brackets-on-the-intraoral-scan-data-accuracy
#5
Ji-Man Park, Shin-Ae Choi, Ji-Yun Myung, Youn-Sic Chun, Minji Kim
This study aims to compare the impact of buccal and lingual brackets on the accuracy of dental arch data acquired by 4 different digital intraoral scanners. Two pairs of dental casts, one with buccal brackets and the other with lingual brackets, were used. Digital measurements of the 3D images were compared to the actual measurements of the dental models, which were considered standard values. The horizontal measurements included intercanine widths and intermolar widths. The Mann-Whitney U test was performed for comparisons...
2016: BioMed Research International
https://www.readbyqxmd.com/read/27867069/statistical-study-on-bracket-debonding-rate-with-the-win-lingual-technique
#6
Laetitia Pau-Bruchet, Christelle Reynes, Robert Sabatier, Catherine Galletti
The aim of this study is to present the results of a statistical inquiry measuring the bracket debonding rate using the WIN lingual technique. This inquiry was performed in the Odontology Unit at the Rothschild Hospital in the framework of the Lingual Orthodontics University Diploma at Paris VII university. Results were gathered by 8 orthodontic practitioners during two years of training from all their patients treated with the WIN lingual technique. The sample study comprised 33 patients treated exclusively with the WIN lingual technique...
December 2016: International Orthodontics
https://www.readbyqxmd.com/read/27862630/morphological-investigation-of-various-orthodontic-lingual-bracket-slots-using-scanning-electron-microscopy-and-atomic-force-microscopy
#7
Samjin Choi, Jae-Hyung Kim, Nam-Joon Kim, Seung-Hoon Lee, Hyunsoo Kim, Kyung-A Kim, Ki-Ho Park, Young-Guk Park
Various labial and lingual orthodontic appliances with aesthetic materials have been developed due to an increased demand in aesthetic orthodontic treatment. However, there are few reports regarding the morphology of lingual orthodontic appliances. Therefore, this study evaluates the roughness of slot surfaces of various orthodontic lingual brackets using field emission scanning electron microscopy (FE-SEM) and atomic force microscopy (AFM). Three types of stainless steel lingual brackets (Stealth(®) , 7th Generation(®) , and Clippy L(®) ) and one gold lingual bracket (Incognito™) with a slot size of 0...
December 2016: Microscopy Research and Technique
https://www.readbyqxmd.com/read/27829773/rehabilitation-of-complicated-crown-root-fracture-by-invisible-approach
#8
V Leela Rani, S Rajalingam, R Hemalatha, J Jananee
Dental trauma is one of the most common and significant problems met in all dental offices almost every day. In particular, injury to the anterior teeth is more vulnerable as it may affect the psychosocial behavior, severe emotional complications can occur leading to disturbances in their mental attitude. Cosmetic (lingual) orthodontics is the recent development in the field of dentistry in the last few decades. Patients are more concerned about their appearance during the treatment and are affected by psychosocial issues because of labially placed brackets, thus leading to the evolution of lingual orthodontic appliances...
October 2016: Journal of Pharmacy & Bioallied Sciences
https://www.readbyqxmd.com/read/27692426/adult-skeletal-class-ii-high-angle-case-treated-with-a-fully-customized-lingual-bracket-appliance
#9
Toru Inami, Yuko Nakano, Ken Miyazawa, Masako Tabuchi, Shigemi Goto
To achieve optimum occlusal and facial results in a patient with high-angle maxillary protrusion, it is important to move Point A back with retraction of the anterior teeth and prevent clockwise rotation of the mandible through good vertical control. A woman, aged 42 years 5 months, with a protrusive profile sought lingual orthodontic treatment. She had a skeletal Class II high-angle pattern with maxillary protrusion and mandibular retrusion. The extraction of the 4 first premolars was indicated to correct the problems...
October 2016: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/27686316/alveoler-process-fracture-in-mandibular-immature-permanent-incisors-region
#10
Tamer Tuzuner, Gorkem Yahyaoglu, Emre Tosun, Fatih Taskesen, Adem Kusgoz
The presented case evaluates the treatment of an alveolar fracture associated with mandibular immature lower permanent incisors. An 8-year-old girl was referred to our clinic 3 hours after the trauma. The clinical and radiographic examination of the alveoler bone showed a fracture, along with the mandibular fracture and significant segment mobility and dislocation of several immature mandibular permanent incisors. These were moving together to the lingual side because of the direct trauma associated with falling from the school wall...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27426275/a-protocol-for-treatment-of-minor-orthodontic-relapse-during-retention
#11
Damien Brezulier, Yann-Loïg Turpin, Olivier Sorel
OBJECTIVES: Successful orthodontic treatment presupposes that the esthetic and functional outcomes are maintained. Bonded retainers on the incisors and canines provide this stability. Failure of one or two units exposes the teeth to a relapse. This article describes the use of a retainer wire and an elastic device to provide rapid, effective and esthetic correction of incipient crowding. CLINICAL ASPECTS: After removing the retainer, a fixed appliance comprising a replacement retainer and a clear elastic are positioned...
November 12, 2016: Journal of Esthetic and Restorative Dentistry
https://www.readbyqxmd.com/read/27259532/the-effect-of-buccal-lingual-slot-dimension-size-on-third-order-torque-response
#12
Dan L Romanyk, Kenji Au, Darren Isfeld, Giseon Heo, Michael P Major, Paul W Major
INTRODUCTION: The focus of the presented study was to investigate the effect of buccal-lingual (B-L) orthodontic bracket slot dimension on third-order torque mechanics. MATERIALS AND METHODS: Three types of orthodontic brackets and two archwire sizes were considered. Ortho Classic H4 (0.026″ B-L slot, passive), Ormco Damon Q (0.028″ B-L slot, passive), and In-Ovation R (0.028″ slot, active) brackets were tested using 0.017″ × 0.025″ and 0.019″ × 0...
June 3, 2016: European Journal of Orthodontics
https://www.readbyqxmd.com/read/27049606/elemental-microstructural-and-mechanical-characterization-of-high-gold-orthodontic-brackets-after-intraoral-aging
#13
Sepp Hersche, Iosif Sifakakis, Spiros Zinelis, Theodore Eliades
The purpose of the present study was to investigate the elemental composition, the microstructure, and the selected mechanical properties of high gold orthodontic brackets after intraoral aging. Thirty Incognito™ (3M Unitek, Bad Essen, Germany) lingual brackets were studied, 15 brackets as received (control group) and 15 brackets retrieved from different patients after orthodontic treatment. The surface of the wing area was examined by scanning electron microscopy (SEM). Backscattered electron imaging (BEI) was performed, and the elemental composition was determined by X-ray EDS analysis (EDX)...
February 1, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/26843757/self-ligating-lingual-appliance
#14
Pankaj Juneja, S S Chopra, B K Jayan
Adult demand for orthodontics has grown considerably over the past 10 years propelling increased demand for Esthetic Orthodontics. Lingual appliances are a viable option toward providing Esthetic Orthodontics. The lingual surface of the teeth has a unique morphology that makes it difficult to place brackets in ideal positions. Indirect bonding has become the established methods of overcoming these discrepancies, along with the latest designs of self ligating brackets which offer more efficient mechanics and shorter treatment time...
December 2015: Medical Journal, Armed Forces India
https://www.readbyqxmd.com/read/26764877/optimum-force-system-for-intrusion-and-extrusion-of-maxillary-central-incisor-in-labial-and-lingual-orthodontics
#15
COMPARATIVE STUDY
Abhishek M Thote, Rashmi V Uddanwadiker, Krishna Sharma, Sunita Shrivastava
BACKGROUND: The objective of the present study was to specify an optimum force system for intrusion and extrusion of maxillary central incisor and to compare the effects of bracket positioning at different heights from the incisal edge in Labial Orthodontics (LaO) and Lingual Orthodontics (LiO). METHODS: A mathematical model of maxillary central incisor with normal inclination was developed. Four cases of heights of bracket slot from incisal edge were considered both in LaO and LiO viz...
February 1, 2016: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/26657523/case-of-severe-maxillary-protrusion-accompanied-by-crowding-and-scissor-bite
#16
Hidenori Katada, Kenji Sueishi
This case involved a 30-year-old woman who visited our hospital with the main complaint of protrusion of the maxillary incisors and upper and lower lips. She had difficulty closing her lips, and a chin button was observed when the lips were closed. The skeletal pattern showed maxillary protrusion and mandibular retrusion, and the mandible showed severe high angle. Labial inclination of both the maxillary and mandibular incisors was found, as well as crowding. In addition, the maxillary left second molar showed buccal displacement, and scissor bite was evident in the left second molar region...
2015: Bulletin of Tokyo Dental College
https://www.readbyqxmd.com/read/26321339/lingual-appliances-reduce-the-incidence-of-white-spot-lesions-during-orthodontic-multibracket-treatment
#17
COMPARATIVE STUDY
Dirk Wiechmann, Elisabeth Klang, Hans-Joachim Helms, Michael Knösel
INTRODUCTION: The aim of this study was to assess the incidence of white spot lesions (WSLs) in subjects treated with customized lingual multibracket appliances-separately for maxillary anterior teeth 12 to 22 (according to the Fédération Dentaire Internationale numbering system) as well as for tooth groups 15 to 45, 16 to 46, and 17 to 47-and to determine the impact of patient-related and treatment-related variables on the frequencies of new WSLs. METHODS: Of 214 subjects comprehensively treated between June 1, 2011, and May 31, 2014, in 1 orthodontic center (Bad Essen, Germany) with a completely customized lingual appliance (WIN; DW Lingual Systems, Bad Essen, Germany), 174 (47% boys, 53% girls; mean age, 14...
September 2015: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/26250453/symmetric-and-asymmetric-expansion-of-molars-using-a-burstone-type-transpalatal-arch-biomechanical-and-clinical-analysis
#18
Michaela Tsetsilas, Anna-Christin Konermann, Ludger Keilig, Susanne Reimann, Andreas Jäger, Christoph Bourauel
OBJECTIVES: A transpalatal arch (TPA) directly connecting the maxillary first molars can be used in passive (for stabilization) and active (for molar or segment movement) modes. Activation may be symmetric or asymmetric. This study was performed to analyze the effectiveness of TPAs for transverse expansion treatment by measuring both the force systems they deliver and the clinical tooth movements thus achieved. MATERIALS AND METHODS: Ten patients (six with symmetric and four with asymmetric transverse discrepancies) were treated using a TPA made of titanium-molybdenum alloy (TMA) and fitted with 0...
September 2015: Journal of Orofacial Orthopedics, Fortschritte der Kieferorthopädie
https://www.readbyqxmd.com/read/26094361/evaluation-of-orthodontic-and-triple-headed-toothbrushes-when-used-alone-or-in-conjunction-with-single-tufted-toothbrush-in-patients-with-fixed-lingual-orthodontic-appliances-a-randomized-clinical-trial
#19
RANDOMIZED CONTROLLED TRIAL
Malka Ashkenazi, Nurit Flaisher Salem, Silvia Garon, Liran Levin
UNLABELLED: Brushing with a single-tufted toothbrush in conjunction with a manual toothbrush has been widely recommended, although its effectiveness has not been proven. This study investigated the effectiveness of orthodontic and triple-headed toothbrushes when used alone or in conjunction with the single-tufted toothbrush in patients with fixed lingual orthodontic appliances. METHODS: In this randomized, single-blinded, controlled clinical trial, orthodontic patients (N = 26, mean age 27...
April 2015: New York State Dental Journal
https://www.readbyqxmd.com/read/26092262/comparison-of-anchorage-reinforcement-with-temporary-anchorage-devices-or-a-herbst-appliance-during-lingual-orthodontic-protraction-of-mandibular-molars-without-maxillary-counterbalance-extraction
#20
Rebecca Metzner, Rainer Schwestka-Polly, Hans-Joachim Helms, Dirk Wiechmann
BACKGROUND: Orthodontic protraction of mandibular molars without maxillary counterbalance extraction in cases of aplasia or extraction requires stable anchorage. Reinforcement may be achieved by using either temporary anchorage devices (TAD) or a fixed, functional appliance. The objective was to compare the clinical effectiveness of both methods by testing the null-hypothesis of no significant difference in velocity of space closure (in mm/month) between them. In addition, we set out to describe the quality of posterior space management and treatment-related factors, such as loss of anchorage (assessed in terms of proportions of gap closure by posterior protraction or anterior retraction), frequencies of incomplete space closure, and potential improvement in the sagittal canine relationship...
2015: Head & Face Medicine
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