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Orthodontics, brackets, lingual

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https://www.readbyqxmd.com/read/27867069/statistical-study-on-bracket-debonding-rate-with-the-win-lingual-technique
#1
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...
November 17, 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
#2
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
#3
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
#4
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
#5
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
#6
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...
July 17, 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
#7
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
#8
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)...
April 6, 2016: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/26843757/self-ligating-lingual-appliance
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
https://www.readbyqxmd.com/read/26038072/mandibular-canine-intrusion-with-the-segmented-arch-technique-a-finite-element-method-study
#16
Giselle Milagros Caballero, Osvaldo Abadia de Carvalho Filho, Bernardo Oliveira Hargreaves, Hélio Henrique de Araújo Brito, Pedro Américo Almeida Magalhães Júnior, Dauro Douglas Oliveira
INTRODUCTION: Mandibular canines are anatomically extruded in approximately half of the patients with a deepbite. Although simultaneous orthodontic intrusion of the 6 mandibular anterior teeth is not recommended, a few studies have evaluated individual canine intrusion. Our objectives were to use the finite element method to simulate the segmented intrusion of mandibular canines with a cantilever and to evaluate the effects of different compensatory buccolingual activations. METHODS: A finite element study of the right quadrant of the mandibular dental arch together with periodontal structures was modeled using SolidWorks software (Dassault Systèmes Americas, Waltham, Mass)...
June 2015: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/25600658/shear-bond-strength-of-an-orthodontic-self-etching-adhesive-after-intracoronary-bleaching
#17
H O Fernandes, L B Santos, L M Firoozmand
OBJECTIVES: To evaluate the effects of intracoronary bleaching on the bond strength of orthodontic brackets using self-etching and total-etch adhesive systems. MATERIAL AND METHODS: In 60 bovine incisors, a coronal lingual access was made to clean the pulp chamber and standardise the thickness of the dentine. The sample was randomly divided into four groups (each n = 15): (CT), control group, without bleaching and bonded with the total-etch system (Transbond(™) XT-3M); (CTSE), without bleaching treatment and bonded with the self-etching system (Transbond(™) Plus Self-Etching Primer-3M); (BT), treated with 35% hydrogen peroxide for internal bleaching and bonded with the total-etch adhesive system; and (BTSE), treated with 35% hydrogen peroxide and bonded with the self-etching adhesive system...
May 2015: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/25533070/relationship-between-mandibular-dental-and-basal-bone-arch-forms-for-severe-skeletal-class-iii-patients
#18
COMPARATIVE STUDY
Wei Zou, JiuHui Jiang, TianMin Xu, JiaQi Wu
INTRODUCTION: The purpose of this study was to analyze the relationship between the mandibular dental and basal bone arch forms for severe skeletal Class III patients by using 3-dimensional digital models. METHODS: Thirty-three virtual pretreatment mandibular models were created with a laser scanning system. The most prominent part of the center of the clinical crown where an orthodontic bracket would be placed (FA) and the most prominent point on the soft-tissue ridge at the mucogingival junction (WALA) were used to represent the dental and basal arch forms, respectively...
January 2015: American Journal of Orthodontics and Dentofacial Orthopedics
https://www.readbyqxmd.com/read/25361639/lingual-orthodontic-treatment-duration-performance-of-two-different-completely-customized-multi-bracket-appliances-incognito-and-win-in-groups-with-different-treatment-complexities
#19
COMPARATIVE STUDY
Michael Knösel, Elisabeth Klang, Hans-Joachim Helms, Dirk Wiechmann
INTRODUCTION: The occurrence of side-effects of fixed orthodontic therapy, such as white-spot lesions and root resorption, are known to be significantly more frequent with increasing duration of treatment. Multi-bracket treatment should be as short as possible, in order to minimize the risks of collateral damage to teeth. The aim of this non-randomized clinical trial was to compare treatment duration with each of two types of customized lingual orthodontic appliances (Incognito, 3 M-Unitek; WIN, DW LingualSystems), taking into account treatment complexity...
2014: Head & Face Medicine
https://www.readbyqxmd.com/read/25307811/evaluation-of-cervico-occlusal-dimensions-of-maxillary-and-mandibular-incisor-brackets-for-lingual-orthodontics
#20
COMPARATIVE STUDY
Andréia Cotrim-Ferreira, Flávio Cotrim-Ferreira, Flávio Vellini-Ferreira, Daniele Fernanda Peron, Carlos Carvalho, Fernando César Torres
AIM: The purpose of this study was to analyze the cervico-occlusal dimensions of brackets used in lingual orthodontics for maxillary and mandibular central and lateral incisors, to compare them with the numbers informed by the manufacturer. MATERIALS AND METHODS: The brackets were placed in a template and analyzed by scanning electron microscopy (SEM), evaluating the images with the aid of a software that allowed determination of reference points, tracing of lines on the bracket images and measurement of the distances...
May 1, 2014: Journal of Contemporary Dental Practice
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