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Angle Orthodontist

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https://www.readbyqxmd.com/read/28059576/twitter-analysis-of-the-orthodontic-patient-experience-with-braces-vs-invisalign
#1
Daniel Noll, Brendan Mahon, Bhavna Shroff, Caroline Carrico, Steven J Lindauer
OBJECTIVE: To examine the orthodontic patient experience having braces compared with Invisalign by means of a large-scale Twitter sentiment analysis. MATERIALS AND METHODS: A custom data collection program was created that collected tweets containing the words "braces" or "Invisalign" for a period of 5 months. A hierarchal Naïve Bayes sentiment analysis classifier was developed to sort the tweets into five categories: positive, negative, neutral, advertisement, or not applicable...
January 6, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28035838/efficacy-of-auxiliary-devices-for-removal-of-fluorescent-residue-after-bracket-debonding
#2
Rafael Santos Rocha, Fabio Martins Salomão, Lucas Silveira Machado, Renato Herman Sundfeld, Ticiane Cestari Fagundes
OBJECTIVE: To evaluate four protocols for removal of fluorescent materials after bracket debonding. MATERIALS AND METHODS: Resin removal from 40 bovine enamel surfaces was performed according to groups (n = 10): conventional (C), white LED (W), LED that evidenced fluorescence (F), and fluorescent lens (FL). The following analyses were performed: sample thickness, superficial area of resin residue, and areas of resin residue or worn enamel in depth. ANOVA and Tukey tests were used to analyze sample thickness (P ≤ ...
December 30, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/28029266/pain-and-discomfort-during-the-first-week-of-rapid-maxillary-expansion-rme-using-two-different-rme-appliances-a-randomized-controlled-trial
#3
Ingalill Feldmann, Farhan Bazargani
OBJECTIVES: To evaluate and compare perceived pain intensity, discomfort, and jaw function impairment during the first week with tooth-borne or tooth-bone-borne rapid maxillary expansion (RME) appliances. MATERIALS AND METHODS: Fifty-four patients (28 girls and 26 boys) with a mean age of 9.8 years (SD 1.28 years) were randomized into two groups. Group A received a conventional hyrax appliance and group B a hybrid hyrax appliance anchored on mini-implants in the anterior palate...
December 28, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27824255/screw-type-device-diameter-and-orthodontic-loading-influence-adjacent-bone-remodeling
#4
Jonathan Christian Francis, Ulas Oz, Larry L Cunningham, Pinar Emecen Huja, Richard J Kryscio, Sarandeep S Huja
OBJECTIVE: To evaluate the effect of diameter and orthodontic loading of a screw-type implantable device on bone remodeling. MATERIALS AND METHODS: Screw-shaped devices of four distinct diameters, 1.6, 2, 3, and 3.75 mm, were placed into edentulous sites in five skeletally mature beagle dogs (n = 14/dog) following premolar extraction. Using a split-mouth design, devices on one side were loaded using calibrated 2N coil springs. Epifluorescent bone labels were administered intravenous prior to sacrifice...
December 8, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27905816/cementocyte-cell-death-occurs-in-rat-cellular-cementum-during-orthodontic-tooth-movement
#5
Humihiro Matsuzawa, Naoko Toriya, Yuya Nakao, Moe Konno-Nagasaka, Toshiya Arakawa, Miki Okayama, Itaru Mizoguchi
OBJECTIVE: To clarify the mechanism of root resorption during orthodontic treatment, we examined cementocyte cell death and root resorption in the cellular cementum on the pressure side during experimental tooth movement. MATERIALS AND METHODS: Using 8-week-old male Wistar rats, the right first molar was pushed mesiobuccally with a force of 40 g by a Ni-Ti alloy wire while the contralateral first molar was used as a control. Localization and number of cleaved caspase-3-positive and single-stranded DNA (ssDNA) - positive cells were evaluated using dual-label immunohistochemistry with anticleaved caspase-3 and anti-ssDNA antibodies...
December 1, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27874283/the-effect-of-root-and-bone-visualization-on-perceptions-of-the-quality-of-orthodontic-treatment-simulations
#6
Thorsten Grünheid, Danae C Kirk, Brent E Larson
OBJECTIVE: To evaluate the effect of root and bone visibility on orthodontists' perceptions of the quality of treatment simulations. MATERIAL AND METHODS: An online survey was used to present orthodontists with setups generated for 10 patients in two different types of view: with and without bone and roots as modeled from a cone-beam computed tomography (CBCT) scan. The orthodontists were asked to rate the quality of the setups from poor to ideal on a 100-point visual analog scale and, if applicable, to identify features of concern that led them to giving a setup a less-than-ideal rating...
November 22, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27874282/treatment-management-between-orthodontists-and-general-practitioners-performing-clear-aligner-therapy
#7
Alexandra D Best, Bhavna Shroff, Caroline K Carrico, Steven J Lindauer
OBJECTIVE: To investigate differences in case selection, treatment management, and aligner treatment expertise between orthodontists and general practitioners. MATERIALS AND METHODS: A parallel pair of original surveys with three sections (case selection, treatment management, and demographics) was sent to orthodontists (N = 1000) and general dentists (N = 1000) who were providers of aligner treatment. RESULTS: Orthodontists had treated significantly more patients with aligners, had treated more patients with aligners in the previous 12 months, and had received more aligner training than general dentists (P < ...
November 22, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27869476/low-level-laser-therapy-effectiveness-in-accelerating-orthodontic-tooth-movement-a-randomized-controlled-clinical-trial
#8
Mohammad Moaffak A AlSayed Hasan, Kinda Sultan, Omar Hamadah
OBJECTIVE: To evaluate the effectiveness of low-level laser therapy (LLLT) in accelerating orthodontic tooth movement of crowded maxillary incisors. MATERIALS AND METHODS: This two-arm, parallel-group, randomized controlled trial involved 26 patients with severe to extreme maxillary incisors irregularity according to Little's irregularity index, indicating two first premolars extraction. Patients were randomly assigned to either the laser group or the control group (13 each)...
November 21, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27849122/streptococcus-mutans-adhesion-on-nickel-titanium-niti-and-copper-niti-archwires-a-comparative-prospective-clinical-study
#9
Kirubaharan S Abraham, Nithya Jagdish, Vignesh Kailasam, Sridevi Padmanabhan
OBJECTIVES: To compare the adhesion of Streptococcus mutans to nickel titanium (NiTi) and copper-NiTi (Cu-NiTi) archwires and to correlate the adhesion to surface characteristics (surface free energy and surface roughness) of these wires. MATERIALS AND METHODS: A total of 16 patients undergoing orthodontic treatment with preadjusted edgewise appliances were included in the study. 0.016" and 0.016" × 0.022" NiTi and Cu-NiTi archwires in as-received condition and after 4 weeks of intraoral use were studied for S mutans adhesion using real-time polymerase chain reaction...
November 16, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27845562/microbial-evaluation-of-the-effectiveness-of-different-methods-for-cleansing-clear-orthodontic-retainers-a-randomized-clinical-trial
#10
Rehaf H Albanna, Hisham M Farawanah, Abdullah M Aldrees
OBJECTIVE: To compare effectiveness of brushing an Essix retainer with water only and brushing followed by soaking in one of three commercial cleansing tablets. MATERIALS AND METHODS: A double-blind, parallel, randomized clinical trial with a split-mouth design was completed with 60 volunteers with specific eligibility criteria assigned to three groups to compare the cleansing effectiveness of brushing an Essix retainer with water only, followed by soaking in one of three alkaline peroxide-based commercial cleansing tablets (Retainer Brite(®), Kukis(®), and Corega(®))...
November 15, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27830931/initial-forces-experienced-by-the-anterior-and-posterior-teeth-during-dental-anchored-or-skeletal-anchored-en-masse-retraction-in-vitro
#11
David Lee, Giseon Heo, Tarek El-Bialy, Jason P Carey, Paul W Major, Dan L Romanyk
OBJECTIVE: To investigate initial forces acting on teeth around the arch during en masse retraction using an in vitro Orthodontic SIMulator (OSIM). MATERIALS AND METHODS: The OSIM was used to represent the full maxillary arch in a case wherein both first premolars had been extracted. Dental and skeletal anchorage to a posted archwire and skeletal anchorage to a 10-mm power arm were all simulated. A 0.019 × 0.025-inch stainless steel archwire was used in all cases, and 15-mm light nickel-titanium springs were activated to approximately 150 g on both sides of the arch...
November 10, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/28084785/quantification-of-the-force-systems-delivered-by-transpalatal-arches-activated-in-the-six-burstone-geometries
#12
Maurício Tatsuei Sakima, Michel Dalstra, Angelo Vicentini Loiola, Gustavo Hauber Gameiro
OBJECTIVE: To evaluate the force systems produced by transpalatal arches (TPAs) activated according to the six classes of geometries described by Burstone and Koenig. MATERIALS AND METHODS: Sixty appliances were tested for first-order activations using a mechanical force testing system. The TPAs were first checked for passivity in sagittal, transverse, and vertical planes at the measuring machine. Then 10 appliances per group were activated using a millimeter template to obtain the six classes of geometries, and the activated appliances were inserted into lingual tubes of the Force System Identification machine that recorded the deactivation forces and moments delivered by both terminal ends of the TPAs...
November 8, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27824256/reliability-of-clinical-crown-center-to-predict-marginal-ridge-leveling
#13
Sérgio Estelita Barros, Denise Ficht, Guilherme Janson, Kelly Chiqueto, Eduardo Ferreira
OBJECTIVE: To evaluate the null hypothesis that there is no difference between the vertical compensation necessary to level the clinical crown centers and that required to level the marginal ridges. MATERIALS AND METHODS: Initial dental casts selected from 200 patients that met the selection criteria were included. The vertical position of the clinical crown center (VPCC) and marginal ridge (VPMR) of posterior teeth were measured in both arches using a digital height gauge with 0...
November 8, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/27813424/cone-beam-computed-tomography-versus-periapical-radiograph-for-diagnosing-external-root-resorption-a-systematic-review-and-meta-analysis
#14
Jianru Yi, Yimin Sun, Yu Li, Chunjie Li, Xiaobing Li, Zhihe Zhao
OBJECTIVE: To compare the diagnostic accuracy of cone-beam computed tomography (CBCT) and periapical radiographs (PR) for the detection of external root resorption (ERR). MATERIAL AND METHODS: An electronic search in databases, including the Cochrane Central Register of Controlled Trials, PubMed, Embase, the China National Knowledge Infrastructure, and System for Information on Grey Literature in Europe (SIGLE), was performed until August 2016. A manual search of relevant journals and reference lists of enrolled studies was conducted...
November 4, 2016: Angle Orthodontist
https://www.readbyqxmd.com/read/28068497/author-index-to-volume-86
#15
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28068496/reviewers-for-the-angle-orthodontist-for-2016
#16
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28068495/the-angle-research-prize-turns-25
#17
Steven J Lindauer
No abstract text is available yet for this article.
January 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28068494/academic-orthodontic-opportunities
#18
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/27513029/influence-of-skeletal-class-in-the-morphology-of-cervical-vertebrae-a-study-using-cone-beam-computed-tomography
#19
Luela Aranitasi, Beatriz Tarazona, Natalia Zamora, Jose Luis Gandía, Vanessa Paredes
OBJECTIVES: To quantify the prevalence of cervical vertebrae anomalies and to analyze any association between them and skeletal malocclusions or head posture positions in the same study. MATERIALS AND METHODS: Two hundred forty patients who were attending the Department of Orthodontics of the University of Valencia for orthodontic treatment were selected and divided into three groups: skeletal Class I (control group, 0° <ANB < 4°), Class II (ANB ≥ 4°), and Class III (ANB ≤ 0°) according to ANB Steiner angle...
January 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/27508935/objective-assessment-of-compliance-with-intra-and-extraoral-removable-appliances
#20
Angela Arreghini, Silvia Trigila, Luca Lombardo, Giuseppe Siciliani
OBJECTIVE: To conduct an objective assessment of the level of compliance in young patients prescribed various types of removable appliances and to determine the influence of device type, treatment duration, and patient age, gender, psychological maturity, and awareness of monitoring on compliance. MATERIALS AND METHODS: A total of 30 patients were fitted with either a class 2 (Frankel or bionator) or a class 3 (face mask) removable appliance, each bearing a compliance indicator chip, and they were instructed to wear them for 13 hours per day...
January 2017: Angle Orthodontist
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