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Orthodontics

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https://www.readbyqxmd.com/read/29917078/reported-changes-in-oral-health-related-quality-of-life-in-children-and-adolescents-before-during-and-after-orthodontic-treatment-a-longitudinal-study
#1
Katrien Jaeken, Maria Cadenas de Llano-Pérula, Jurgen Lemiere, Anna Verdonck, Steffen Fieuws, Guy Willems
Objectives: To investigate the changes in oral health-related quality of life (OHRQoL) before, during, and after orthodontic treatment, determine the relationship with the original treatment need and evaluate the influence of self-esteem (SE). Materials and methods: OHRQoL questionnaires were used in an ongoing observational prospective cohort study at baseline (T0), 1 year after start (T1), and 1 month after the end of active orthodontic treatment (T2). Participants were 11-16-year-old at baseline and 215 complete cases were obtained from a total of 498...
June 18, 2018: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29912312/aesthetic-perceptions-and-psychosocial-impact-of-malocclusion-comparison-between-cleft-and-non-cleft-patients-and-their-parents
#2
Sreevatsan Raghavan, Koshi Philip, Puneet Batra, Agneta Marcusson
Objective: To evaluate the influence of dentofacial attractiveness using the 'Psychosocial Impact of Dental Aesthetics Questionnaire' (PIDAQ), Satisfaction with Life Scale (SWLS) and Aesthetic Component (AC) of the Index of Orthodontic Treatment Need (IOTN) in patients with cleft lip/palate (CLP), and non-cleft orthodontic patients (Non-CLP) and their parents. Materials and methods: Eighty patients (aged 11-19 years) comprising 40 CLP and 40 non-CLP were administered the PIDAQ and SWLS questionnaires to be rated individually by the patients, along with IOTN-AC rated by the patients and their parents, respectively...
April 18, 2018: European Journal of Orthodontics
https://www.readbyqxmd.com/read/29911910/cephalometric-characteristics-of-postorthodontic-female-patients-with-attractive-and-unattractive-frontal-posed-smiles
#3
Yuka Kawashima, Kyoko Kure, Kazuhito Arai
OBJECTIVES: To identify differences in skeletal, dental, and soft-tissue morphology between postorthodontic patients with attractive and unattractive frontal posed smiles. MATERIALS AND METHODS: The attractiveness of close-up photographs of frontal posed smiles in 100 adult female patients after conventional orthodontic treatment was evaluated by 20 dental students (10 men, 10 women) using a visual analogue scale. Posttreatment cephalograms of the 20 patients with the most attractive smiles (attractive group; mean age 23...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29911908/effect-of-fixed-orthodontic-appliances-on-nonmicrobial-salivary-parameters
#4
Ioannis P Zogakis, Erez Koren, Shlomit Gorelik, Isaac Ginsburg, Miriam Shalish
OBJECTIVES: To examine possible changes in the levels of salivary antioxidants, C-reactive protein (CRP), cortisol, pH, proteins, and blood in patients treated with fixed orthodontic appliances. MATERIALS AND METHODS: Salivary samples from 21 orthodontic patients who met specific inclusion criteria were collected before the beginning of orthodontic treatment (T0; baseline), 1 hour after bonding (T1), and 4-6 weeks after bonding (T2). Oxidant-scavenging ability (OSA) was quantified using a luminol-dependent chemiluminescence assay...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29911907/scanning-electron-microscopy-evaluation-of-aligner-fit-on-teeth
#5
Edoardo Mantovani, Enrico Castroflorio, Gabriele Rossini, Francesco Garino, Giovanni Cugliari, Andrea Deregibus, Tommaso Castroflorio
OBJECTIVES: The fitting of aligners on anchorage teeth is a crucial factor in clear aligner orthodontics. The purpose of this experimental study was to evaluate the fitting of two aligner systems, Invisalign and CA-Clear Aligner, using scanning electron microscopy (SEM). MATERIALS AND METHODS: Passive aligners (Invisalign and CA-Clear Aligner) were adapted on resin casts obtained by stereolithography (STL) files of a patient, and then sectioned buccolingually. Upper and lower central incisors, upper and lower first premolars, and upper and lower first molars were the regions analyzed...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29911905/volumetric-evaluation-of-root-resorption-on-the-upper-incisors-using-cone-beam-computed-tomography-after-1-year-of-orthodontic-treatment-in-adult-patients-with-marginal-bone-loss
#6
Pornputthi Puttaravuttiporn, Mutita Wongsuwanlert, Chairat Charoemratrote, Chidchanok Leethanakul
OBJECTIVES: To determine upper incisor root resorption, volume loss, and the relationship between root volume loss and tooth movement after 1 year of orthodontic treatment in patients with marginal bone loss. MATERIALS AND METHODS: A total of 30 women (46.3 ± 5.4 years old) with moderate upper incisor bone loss who required intrusion during orthodontic treatment were recruited. Pre- and post-treatment cone beam computed tomography images were reconstructed. Upper incisors at pre- and post-treatment were superimposed; labio- and palato-apical, middle, and coronal third root volumes were assessed...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29911904/evaluation-of-maxillary-buccal-alveolar-bone-before-and-after-orthodontic-alignment-without-extractions-a-cone-beam-computed-tomographic-study
#7
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)...
June 18, 2018: Angle Orthodontist
https://www.readbyqxmd.com/read/29911278/post-orthodontic-lower-incisor-inclination-and-gingival-recession-a-systematic-review
#8
REVIEW
Michele Tepedino, Lorenzo Franchi, Omar Fabbro, Claudio Chimenti
BACKGROUND: The present systematic review was carried out to determine the correlation between gingival recession/bone height and incisor inclination in non-growing post-orthodontic patients compared to adult untreated subjects or patients treated with different methodologies. MATERIALS AND METHODS: PubMed, EMBASE, Web of Science, Scopus, Cochrane, and OpenGrey databases were searched without time and language restriction. Search terms included orthodontic, incisor, inclination, angulation, proclination, and gingival...
June 18, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29911067/molar-protraction-using-miniscrews-temporary-anchorage-device-with-simultaneous-correction-of-lateral-crossbite-an-orthodontic-case-report
#9
Kavitha Odathurai Marusamy, Saravanan Ramasamy, Othman Wali
Early loss of permanent teeth, congenitally missing lateral incisors or second premolars, extremely displaced or impacted canines, all result in a reduced upper dentition. That leads to the development of crossbite in the maxillary dentition. Partial denture prosthesis, dental implants, and space closure by fixed orthodontics are the various means of treating the edentulous spaces. Protraction of molars is time taking and challenging. Temporary anchorage device (TAD) helps to protract molars without anchorage loss...
May 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29911061/orthodontic-treatment-need-in-higher-primary-schoolchildren-of-central-bengaluru-india
#10
Jyothi Shashidhar, Shashidhar Chandrashekhar
Aims and Objective: The aim of this study was to evaluate the orthodontic treatment need in 11-14-year-old schoolchildren of Central Bengaluru, India, using the index of orthodontic treatment need (IOTN) and to analyze the treatment needs between males and females and correlation between the esthetic to aesthetic (AC) and dental health component (DHC) of IOTN. Materials and Methods: The sample comprised 500 schoolchildren (187 females and 313 males) who had not undergone orthodontic treatment...
May 2018: Journal of International Society of Preventive & Community Dentistry
https://www.readbyqxmd.com/read/29906672/displacement-of-teeth-without-and-with-bonded-fixed-orthodontic-retainers-3d-analysis-using-triangular-target-frames-and-optoelectronic-motion-tracking-device
#11
Firas Chakroun, Vera Colombo, Dave Lie Sam Foek, Luigi Maria Gallo, Albert Feilzer, Mutlu Özcan
PURPOSE: The objective of this study was to evaluate the anterior tooth movement without and with bonded fixed orthodontic retainers under incremental loading conditions. MATERIALS AND METHODS: Six extracted mandibular anterior human teeth were embedded in acrylic resin in True Form I Arch type and 3D reconstruction of Digital Volume Tomography (DVT) images (0.4 mm3 voxels) were obtained. The anatomy of each tooth was segmented and digitally reconstructed using 3D visualization software for medical images (AMIRA, FEI SVG)...
June 6, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29905546/tactics-of-the-treatment-of-teeth-transposition-case-reports
#12
P Flis, V Filonenko, N Doroshenko
Transposition of teeth - mutual exchange of the teeth position in the dental arch, it's a rare anomaly of the dentoalveolar apparatus. Most often in the transposition process the upper canines are involved in combination with the first premolars. Anomaly is mainly caused by an incorrect location of the teeth germs. Full correction is optimal in the treatment of transposition in terms of function and aesthetics, but in most cases, the movement of these teeth in their physiological position is impossible. Aim - to define and argue the tactics of the orthodontist in the treatment of patients with teeth transposition...
May 2018: Georgian Medical News
https://www.readbyqxmd.com/read/29905504/er-yag-laser-for-metal-and-ceramic-bracket-debonding-an-in-vitro-study-on-intrapulpal-temperature-sem-and-eds-analysis
#13
Kinga Grzech-Leśniak, Jacek Matys, Dorota Żmuda-Stawowiak, Krzysztof Mroczka, Marzena Dominiak, Aldo Brugnera Junior, Reinhard Gruber, Georgios E Romanos, Anton Sculean
OBJECTIVE: To evaluate the effects of bracket removal using an erbium laser on the pulp temperature and enamel surface. BACKGROUND: Removal of orthodontic brackets with conventional debonding pliers may result in enamel cracks. To avoid damage to the enamel surface and effectively remove metal or ceramic brackets, different types of lasers, such as Nd:YAG, CO2 , TM:YAP, diode laser, or Er:YAG, have been introduced for debonding. MATERIALS AND METHODS: A total of 55 brackets (n = 55; 20 metal and 35 ceramic ones) were bonded to 55 caries-free premolars extracted for orthodontic indications...
June 15, 2018: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/29903062/3d-printed-artificial-teeth-accuracy-and-application-in-root-canal-therapy
#14
Xiao Liang, Weili Liao, Huaxiong Cai, Sui Jiang, Siqi Chen
This study examined the compatibility of 3D-printed artificial teeth and extracted teeth by combining oral cone-beam computed tomography (CBCT) and multi-jet printing technology to print the extracted teeth in vitro. The 3D-printed artificial teeth were then used to choose a master gutta-percha with an appropriate working length and taper to fill root canals. The quality of root canal-filling was evaluated via X-ray. Twenty orthodontically extracted premolars with a single root canal were collected and CBCT-scanned, and the scan data were extracted and converted to 3D models using MIMICS software, which in turn were used to 3D-print artificial teeth using multi-jet printing technology...
August 1, 2018: Journal of Biomedical Nanotechnology
https://www.readbyqxmd.com/read/29899641/effect-of-local-anesthesia-containing-vasoconstrictor-on-sealing-ability-of-dentin-with-two-adhesive-systems-dye-leakage-and-scanning-electron-microscopy-study
#15
Rakesh Singla, Sanjay Tewari, Jigyasa Duhan, Sudhir Kumar, Gurdeep Singh Gill, Namita Jain
Objectives: To evaluate the effect of 2% lignocaine containing 1:80,000 adrenaline on the microleakage and ultrastructure of resin tooth interface using an acetone based total etch adhesive (Prime and Bond NT) and an ethanol water based self etch adhesive system (Xeno III). Materials and method: Class V cavities were prepared on buccal surfaces of 72 maxillary first premolars scheduled for orthodontic extraction. In 36 premolars procedure was performed under local anaesthesia (LA) and in other 36 teeth without LA...
May 2018: Journal of Conservative Dentistry: JCD
https://www.readbyqxmd.com/read/29898161/virtual-orthodontic-setup-in-orthodontic-camouflage-planning-for-skeletal-class-iii-malocclusion
#16
Felipe Augusto M Barreto, João Roberto R da Costa Santos
The purpose of this paper was to emphasize the importance of the orthodontic setup in treatment planning for skeletal Class III malocclusion correction in an adult patient with moderate lower anterior crowding and anterior crossbite associated with two supernumerary lower incisors.
March 2018: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/29898160/evaluation-of-the-prototype-of-a-new-bracket-positioning-gauge
#17
Sergio Luiz Mota Júnior, Marcio José da Silva Campos, Carina Abrantes Schmitberger, Juliana de Andrade Vitral, Marcelo Reis Fraga, Robert Willer Farinazzo Vitral
OBJECTIVE: The purposes of this study were to present a prototype of a bracket-positioning gauge, which makes vertical inclination of the instrument difficult, allowing a reduction of vertical bracket positioning error, and to test its accuracy in bracket positioning by groups of individuals with different clinical experience and in specific groups of teeth. METHODS: For the testing of the prototype, four groups of six participants each were used: Group 1 was composed of undergraduate students in the dental school, who had no previous experience in bonding orthodontic attachments; Group 2 was composed of orthodontic graduate students in the dental school; Group 3 consisted of orthodontists with a maximum of 5 years of clinical experience; Group 4 comprised orthodontists with more than 5 years of clinical experience...
March 2018: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/29898158/additional-intraoral-radiographs-may-change-the-judgment-regarding-the-final-position-of-orthodontic-mini-implants
#18
Marina K Oba, Guido A Marañón-Vásquez, Fábio L Romano, Christiano Oliveira-Santos
OBJECTIVE: This study aimed to assess if additional vertical bitewing (VBW) and/or occlusal (OC) radiographs may change initial judgment based only on periapical radiograph (PAR) about the final position of orthodontic mini-implants (OMI). METHODS: Subjective and objective analyses were performed. Radiographic images of 26 OMI were divided into four groups: PAR, PAR+VBW, PAR+OC and ALL (PAR+VBW+OC). For subjective analysis, five observers were asked to assess if the position of OMI was favorable to its success, using questionnaires with a four-point scale for responses: 1= definitely not favorable, 2= probably not favorable, 3= probably favorable, or 4= definitely favorable...
March 2018: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/29898155/mandibular-anterior-crowding-normal-or-pathological
#19
Alberto Consolaro, Mauricio de Almeida Cardoso
The teeth become very close to each other when they are crowded, but their structures remain individualized and, in this situation, the role of the epithelial rests of Malassez is fundamental to release the EGF. The concept of tensegrity is fundamental to understand the responses of tissues submitted to forces in body movements, including teeth and their stability in this process. The factors of tooth position stability in the arch - or dental tensegrity - should be considered when one plans and perform an orthodontic treatment...
March 2018: Dental Press Journal of Orthodontics
https://www.readbyqxmd.com/read/29898057/glass-ionomer-cements-can-be-used-for-bonding-orthodontic-brackets-after-cancer-radiation-treatment
#20
Gabriela Cristina Santin, Alexandra Mussolino de Queiroz, Regina Guenka Palma-Dibb, Harley Francisco de Oliveira, Paulo Nelson Filho, Fábio Lourenço Romano
Patients undergoing radiotherapy treatment present more susceptibility to dental caries and the use of an orthodontic device increases this risk factor due to biofilm accumulation around the brackets. The objective of this study was to evaluate the shear bond strength to irradiated permanent teeth of orthodontic brackets bonded with conventional glass ionomer cement and resin-modified glass ionomer cement due to the fluoride release capacity of these materials. Ninety prepared human premolars were divided into 6 groups (n=15), according to the bonding material and use or not of radiation: CR: Transbond XT composite resin; RMGIC: Fuji Ortho LC conventional glass ionomer cement; GIC: Ketac Cem Easymix resin-modified glass ionomer cement...
March 2018: Brazilian Dental Journal
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