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Progress in Orthodontics

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https://www.readbyqxmd.com/read/29911278/post-orthodontic-lower-incisor-inclination-and-gingival-recession-a-systematic-review
#1
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/29888375/collaboration-in-orthodontic-clinical-trials-prevalence-and-association-with-sample-size-and-funding
#2
D Al-Moghrabi, A Tsichlaki, N Pandis, P S Fleming
BACKGROUND: To assess patterns of research collaboration in orthodontics and possible relationships with sample size and funding status. METHODS: Orthodontic randomised and non-randomised controlled clinical trials published between 2013 and 2017 were identified through electronic searching. The nature of collaboration, author institutions, study setting, sample size, and funding status were assessed. Linear and logistic regression analyses were applied. RESULTS: Of 1153 studies, 217 met the selection criteria...
June 11, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29862456/three-dimensional-evaluation-of-root-position-at-the-reset-appointment-without-radiographs-a-proof-of-concept-study
#3
Robert J Lee, Sarah Pi, Justyn Park, Gerald Nelson, David Hatcher, Snehlata Oberoi
BACKGROUND: Accurate root position is integral for successful orthodontic treatment. Current methods of monitoring root position are either inaccurate, exhibit poor resolution, or use relatively large amount of radiation relative to the benefits for the patient. The purpose of this study was to present an approach that can monitor root position during orthodontic treatment with minimal radiation. METHODS: Cone-beam computed tomography (CBCT) scans were taken for a patient at pre-treatment and at a dedicated reset appointment...
June 4, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29808312/comparative-assessment-of-the-efficacy-of-closed-helical-loop-and-t-loop-for-space-closure-in-lingual-orthodontics-a-finite-element-study
#4
Ajay Chacko, Tripti Tikku, Rohit Khanna, Rana Pratap Maurya, Kamna Srivastava
BACKGROUND: Retraction in lingual orthodontics has biomechanical differences when compared to labial orthodontics, which is not yet established. Thus, we have intended to compare the biomechanical characteristics of closed helical loop and T-loop on 1 mm activation with 30° of compensatory curvatures during retraction in lingual orthodontics. METHODS: STb lingual brackets were indirectly bonded to maxillary typhodont model that was scanned to obtain FEM model...
May 28, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29756173/prediction-of-changes-due-to-mandibular-autorotation-following-miniplate-anchored-intrusion-of-maxillary-posterior-teeth-in-open-bite-cases
#5
Hassan E Kassem, Eiman S Marzouk
BACKGROUND: Prediction of the treatment outcome of various orthodontic procedures is an essential part of treatment planning. Using skeletal anchorage for intrusion of posterior teeth is a relatively novel procedure for the treatment of anterior open bite in long-faced subjects. METHODS: Data were analyzed from lateral cephalometric radiographs of a cohort of 28 open bite adult subjects treated with intrusion of the maxillary posterior segment with zygomatic miniplate anchorage...
May 14, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29732491/orthodontic-bonding-and-debonding-induces-structural-changes-but-does-not-alter-the-mechanical-properties-of-enamel
#6
Alexis Ioannidis, Spyridon N Papageorgiou, Iosif Sifakakis, Spiros Zinelis, George Eliades, Theodore Eliades
BACKGROUND: The purpose of the study is to investigate the effect of the bonding procedure on the mechanical properties of human enamel. METHODS: A total of 20 extracted human premolars were included in this study, with the half of each tooth acting as its own internal control. Embedded and horizontally cut specimens were prepared, and two bucco-orally zones were separated. The first enamel zone of each tooth remained untreated. The opposing zone was subjected to simulated bonding and debonding, including etching with 37% phosphoric acid, bonding with primer and flowable composite resin, and subsequent removal of the composite with an adhesive removal bur...
May 7, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29713922/the-association-between-patient-s-compliance-and-age-with-the-bonding-failure-of-orthodontic-brackets-a-cross-sectional-study
#7
Isabela Vasconcelos Barbosa, Victor de Miranda Ladewig, Renata Rodrigues Almeida-Pedrin, Mauricio Almeida Cardoso, Joel Ferreira Santiago Junior, Ana Claudia de Castro Ferreira Conti
BACKGROUND: An efficient orthodontic treatment must aim the best occlusal result in the shortest possible time. One of the factors that can interfere in this goal is the bracket debonding during the treatment. This study aimed at assessing the different factors related to brackets failure, highlighting age and patient cooperation with treatment. METHODS: The sample comprised 199 orthodontic patients of both genders (103 women and 96 men); divided into two groups-adolescents (12 to 18 years old, 118 patients) and adults (19 to 59 years old, 81 patients)...
May 1, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29658096/effect-of-low-level-laser-and-low-intensity-pulsed-ultrasound-therapy-on-bone-remodeling-during-orthodontic-tooth-movement-in-rats
#8
Mohammed Mahmood Jawad Alazzawi, Adam Husein, Mohammad Khursheed Alam, Rozita Hassan, Rumaizi Shaari, Ahmad Azlina, M S Salzihan
BACKGROUND: Quality bone regeneration, which leads to the improvement of bone remodeling, is essential for orthodontic treatment. In order to improve bone regeneration and increase the amount of tooth movement, different techniques have been implemented. The object of this study is to compare the effects of low-level laser therapy (LLLT), low-intensity pulsed ultrasound (LIPUS), and their combination on bone remodeling during orthodontic tooth movement. METHODS: Eighty (80) male, 6-week-old Sprague Dawley rats were grouped in to four groups, the first group was irradiated with (940 nm) diode laser, second group with LIPUS, and third group with combination of both LLLT and LIPUS...
April 16, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29607469/movement-of-anterior-teeth-using-clear-aligners-a-three-dimensional-retrospective-evaluation
#9
Michele Tepedino, Valeria Paoloni, Paola Cozza, Claudio Chimenti
BACKGROUND: Clear aligner treatment offers several advantages, but the available literature shows that some kind of tooth movements are unpredictable. In addition, the majority of the studies are focused on one clear aligner system, while different characteristics of various systems can provide different treatment outcomes. The aim of the present retrospective cohort study was to evaluate the predictability of Nuvola® aligner system in achieving torque movements of anterior teeth. METHODS: Thirty-nine adult patients, who were consecutively treated with clear aligners, were retrospectively selected, and digital models pre-treatment (T0), post-treatment (T1) and the digital setup models (TS) were collected...
April 2, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29532184/the-effect-of-pacifier-sucking-on-orofacial-structures-a-systematic-literature-review
#10
REVIEW
Karin Michèle Schmid, Remo Kugler, Prasad Nalabothu, Carles Bosch, Carlalberta Verna
BACKGROUND: Non-nutritive sucking habits may adversely affect the orofacial complex. This systematic literature review aimed to find scientific evidence on the effect of pacifier sucking on orofacial structures. METHODS: A search on MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and Web of Science databases was conducted to find all pertinent articles published from inception until February 2018, based on the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
March 13, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29457192/influence-of-orthodontic-appliance-derived-artifacts-on-3-t-mri-movies
#11
Erika Ozawa, Ei-Ichi Honda, Kulthida Nunthayanon Parakonthun, Hiroko Ohmori, Kazuo Shimazaki, Tohru Kurabayashi, Takashi Ono
BACKGROUND: Magnetic resonance imaging (MRI) has been used to study configurations of speech organs in the resting state. However, MRI is sensitive to metals, and numerous types of metallic appliances, most of which have a large magnetic susceptibility, are used in orthodontic treatment and may cause severe artifacts on MRI. We have developed techniques for obtaining MRI movies of the oral region, to evaluate articulatory changes, especially movement of the tongue, palate, and teeth, pre- and post-orthodontic/orthognathic treatment...
February 19, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29430612/comparison-of-two-intraoral-scanners-based-on-three-dimensional-surface-analysis
#12
Kyung-Min Lee
BACKGROUND: This in vivo study evaluated the difference of two well-known intraoral scanners used in dentistry, namely iTero (Align Technology) and TRIOS (3Shape). METHODS: Thirty-two participants underwent intraoral scans with TRIOS and iTero scanners, as well as conventional alginate impressions. The scans obtained with the two intraoral scanners were compared with each other and were also compared with the corresponding model scans by means of three-dimensional surface analysis...
February 12, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29399703/release-of-nickel-and-chromium-ions-from-orthodontic-wires-following-the-use-of-teeth-whitening-mouthwashes
#13
AmirHossein Mirhashemi, Sahar Jahangiri, MohammadJavad Kharrazifard
BACKGROUND: Corrosion resistance is an important requirement for orthodontic appliances. Nickel and chromium may be released from orthodontic wires and can cause allergic reactions and cytotoxicity when patients use various mouthwashes to whiten their teeth. Our study aimed to assess the release of nickel and chromium ions from nickel titanium (NiTi) and stainless steel (SS) orthodontic wires following the use of four common mouthwashes available on the market. METHODS: This in vitro, experimental study was conducted on 120 orthodontic appliances for one maxillary quadrant including five brackets, one band and half of the required length of SS, and NiTi wires...
February 5, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29376198/quantitative-measures-of-gingival-recession-and-the-influence-of-gender-race-and-attrition
#14
Chester S Handelman, Anthony P Eltink, Ellen BeGole
BACKGROUND: Gingival recession in dentitions with otherwise healthy periodontium is a common occurrence in adults. Recession is clinically measured using a periodontal probe to the nearest millimeter. The aim of this study is to establish quantitative measures of recession, the clinical crown height, and a new measure the gingival margin-papillae measurement. The latter is seen as the shortest apico-coronal distance measured from the depth of the gingival margin to a line connecting the tips of the two adjacent papillae...
January 29, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29354889/-my-invisalign-experience-content-metrics-and-comment-sentiment-analysis-of-the-most-popular-patient-testimonials-on-youtube
#15
Christos Livas, Konstantina Delli, Nikolaos Pandis
BACKGROUND: The aim of the study was to investigate the popularity, content of Invisalign patient testimonials on YouTube, as well as the sentiment of the related comments. METHODS: Using the term "Invisalign experience," the top 100 results on YouTube by view count were screened for English spoken patient videos that attracted comments. Video information (time since video upload, sponsorship), engagement metrics (comments, likes, dislikes, subscriptions), and views were collected...
January 22, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29333593/control-of-anterior-segment-using-an-antero-posterior-lingual-sliding-retraction-system-a-preliminary-cone-beam-ct-study
#16
Min Hwang, Hyo-Won Ahn, Soon-Yong Kwon, Jeong-Ho Choi, Seong-Hun Kim, Gerald Nelson
BACKGROUND: This study was performed to evaluate the treatment effects of the antero-posterior lingual retractor (APLR), focusing on the 3-dimensional (3D) tooth movement of the maxillary anterior teeth and their alveolar bone levels. METHODS: En masse retraction was performed using either the C-lingual retractor (CLR, C-group, n = 9) or the antero-posterior lingual retractor (APLR, AP-group, n = 8). We evaluated 3D movement of the maxillary anterior teeth and alveolar bone levels, root length of the central incisors, long axes of the maxillary canines, and occlusal plane changes from CBCT images...
January 15, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29308540/mandibular-molar-uprighting-using-orthodontic-miniscrew-implants-a-systematic-review
#17
REVIEW
Panagiota Magkavali-Trikka, Georgios Emmanouilidis, Moschos A Papadopoulos
The purpose of this systematic review was to identify studies and present the use of miniscrew implants (MIs) as an alternative treatment to mandibular molar uprighting. An electronic search and handsearching were conducted by two independent reviewers to identify relevant articles, published up to January 27, 2017. In order to methodologically assess the eligible studies, a pilot checklist consisting of 22 items was also implemented. After exclusion of all the irrelevant papers, only 17 studies were included, presenting 27 cases of mandibular molar uprighting in all planes using both direct and indirect force traction by MIs...
January 8, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29302879/effectiveness-of-en-masse-versus-two-step-retraction-a-systematic-review-and-meta-analysis
#18
REVIEW
Mumen Z Rizk, Hisham Mohammed, Omar Ismael, David R Bearn
BACKGROUND: This review aims to compare the effectiveness of en masse and two-step retraction methods during orthodontic space closure regarding anchorage preservation and anterior segment retraction and to assess their effect on the duration of treatment and root resorption. METHODS: An electronic search for potentially eligible randomized controlled trials and prospective controlled trials was performed in five electronic databases up to July 2017. The process of study selection, data extraction, and quality assessment was performed by two reviewers independently...
January 5, 2018: Progress in Orthodontics
https://www.readbyqxmd.com/read/29250718/vertical-skeletal-changes-after-extraction-and-non-extraction-treatment-in-matched-class-i-patients-identified-by-a-discriminant-analysis-cephalometric-appraisal-and-procrustes-superimposition
#19
Philipp Beit, Dimitrios Konstantonis, Alexandros Papagiannis, Theodore Eliades
BACKGROUND: In the long-lasting debate of extraction versus non-extraction treatment, the impact of extractions on the skeletal vertical dimension remains rather unclear. The aim of this retrospective research study was to obtain a bias-free sample of morphologically similar borderline patients treated with or without extraction of the four first premolars and to retrospectively evaluate the vertical changes that occurred. METHODS: A borderline sample of 83 patients, 41 treated with four first premolar extractions and 42 treated without, was obtained by means of discriminant analysis applied to a previously investigated parent sample of 542 class I patients...
December 18, 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/29243002/comprehending-the-three-dimensional-mandibular-morphology-of-facial-asymmetry-patients-with-mandibular-prognathism
#20
Hideki Kamata, Norihisa Higashihori, Hiroki Fukuoka, Momotoshi Shiga, Tatsuo Kawamoto, Keiji Moriyama
BACKGROUND: The purpose of this study was to elucidate the factors that cause facial asymmetry by comparing the characteristics of the mandibular morphology in patients with mandibular prognathism with or without facial asymmetry using three-dimensional computed tomography (3D-CT). METHODS: We studied 28 mandibular prognathism patients whose menton deviated by ≥ 4 mm from the midline (FA group, n = 14) and those with a < 4-mm deviation (NA group, n = 14)...
December 15, 2017: Progress in Orthodontics
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