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Progress in Orthodontics

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https://www.readbyqxmd.com/read/28540615/clinical-evaluation-of-marketed-orthodontic-products-are-researchers-behind-the-times-a-meta-epidemiological-study
#1
Jadbinder Seehra, Nikolaos Pandis, Padhraig S Fleming
BACKGROUND: The role of marketing and industry in the treatment decisions of orthodontists has received increasing attention in recent years with clinical research typically undertaken subsequent to established use of these devices and often failing to confirm the promise of manufacturers' claims. This meta-epidemiological study was undertaken to assess the proportion of clinical trials in orthodontics evaluating commercially marketed products and to evaluate the direction of the results of these studies...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28503725/posterior-teeth-angulation-in-non-extraction-and-extraction-treatment-of-anterior-open-bite-patients
#2
Guilherme Janson, Mayara Rizzo, Vinicius Laranjeira, Daniela Gamba Garib, Fabricio Pinelli Valarelli
BACKGOUND: This study cephalometrically evaluated the posterior teeth angulation changes of anterior open-bite non-extraction and extraction treatment in the permanent dentition, with anterior vertical elastics. METHODS: The sample consisted of initial and final lateral headfilms of 60 patients divided into 2 groups: Group 1 consisted of 30 patients treated with non-extraction with an initial mean age of 15.26 years and treated with fixed appliances for a mean period of 2...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28503724/root-resorption-during-orthodontic-treatment-with-invisalign%C3%A2-a-radiometric-study
#3
Giulia Gay, Serena Ravera, Tommaso Castroflorio, Francesco Garino, Gabriele Rossini, Simone Parrini, Giovanni Cugliari, Andrea Deregibus
BACKGROUND: Root resorption (RR) is described as a permanent loss of tooth structure from the root apex. Many reports in the literature indicate that orthodontically treated patients are more likely to have severe apical root shortening, interesting mostly maxillary, followed by mandibular incisors. The aim of the study was to investigate the incidence and severity of RR in adult patients treated with aligners. The study group consisted of 71 class I adult healthy patients (mean age 32...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28459119/serum-igf-1-igfbp-3-and-their-ratio-potential-biochemical-growth-maturity-indicators
#4
Nimisha Jain, Tulika Tripathi, S K Gupta, Priyank Rai, Anup Kanase, Shilpa Kalra
BACKGROUND: Determination of skeletal maturation and remaining growth potential is an essential part of treatment planning in orthodontics. The aim of our study was to determine the relationship between IGF-1 levels, IGFBP-3 levels with CVM staging to track the pre pubertal and pubertal growth spurts in female patients in North Indian population. METHODS: This cross-sectional study was conducted on ninety female subjects in the age group of 8-20 years. Blood samples were collected and centrifuged and serum samples were then analysed by Human IGF-1 and IGFBP-3 enzyme-linked immunosorbent assay kits, specific for IGF-1 and IGFBP-3, respectively...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28447324/craniofacial-morphology-and-dental-maturity-in-children-with-reduced-somatic-growth-of-different-aetiology-and-the-effect-of-growth-hormone-treatment
#5
REVIEW
Sotiria Davidopoulou, Athina Chatzigianni
Children with reduced somatic growth may present various endocrinal diseases, especially growth hormone deficiency (GHD), idiopathic short stature (ISS), chromosomal aberrations, or genetic disorders. In an attempt to normalize the short stature, growth hormone (GH) is administered to these children. The aim of this literature review was to collect information about the craniofacial morphology and dental maturity in these children and to present the existing knowledge on the effect of GH treatment on the above structures...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28367605/prediction-of-class-ii-improvement-after-rapid-maxillary-expansion-in-early-mixed-dentition
#6
Alberto Caprioglio, Chiara Bergamini, Lorenzo Franchi, Nicolò Vercellini, Piero Antonio Zecca, Riccardo Nucera, Rosamaria Fastuca
BACKGROUND: The aim of this study is to identify cephalometric pretreatment parameters for prediction of Class II improvement induced by rapid maxillary expansion. METHODS: Lateral cephalograms of 30 patients (mean age 8.3 ± 1.6 years old) showing Class II molar relationship and undergone to rapid maxillary expansion on the upper deciduous molars were traced before treatment, and molar relation changes were evaluated on dental casts before and after treatment...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28317085/perception-of-smile-esthetics-by-laypeople-of-different-ages
#7
Chompunuch Sriphadungporn, Niramol Chamnannidiadha
BACKGROUND: Age is a factor affecting smile esthetics. Three variables of smile esthetics associated with the maxillary anterior teeth and age-related changes have recently received considerable attention: (i) the incisal edge position of the maxillary central incisors, (ii) the maxillary gingival display, and (iii) the presence of a black triangle between the maxillary central incisors. The aim of this study was to evaluate the influence of age on smile esthetic perception based on these three variables in a group of Thai laypeople...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28164257/skeletal-and-dentoalveolar-bilateral-dimensions-in-unilateral-palatally-impacted-canine-using-cone-beam-computed-tomography
#8
Mariel Franchesca D Oleo-Aracena, Luis Ernesto Arriola-Guillén, Yalil Augusto Rodríguez-Cárdenas, Gustavo Armando Ruíz-Mora
BACKGROUND: The aim of this investigation was to compare skeletal and dentoalveolar measurements of subject with unilateral palatally impacted canine versus the unaffected contralateral side on cone beam computed tomography (CBCT). METHODS: A cross-sectional study (split mouth design) that included 28 CBCTs (i.e., 56 sides) with unilaterally impacted maxillary canines was performed. After conducting a pilot test to gauge the researcher, heights and widths of skeletal and dentoalveolar variables obtained in the maxilla were measured using coronal and axial views...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28164256/torque-differences-due-to-the-material-variation-of-the-orthodontic-appliance-a-finite-element-study
#9
Spyridon N Papageorgiou, Ludger Keilig, Vaska Vandevska-Radunovic, Theodore Eliades, Christoph Bourauel
BACKGROUND: Torque of the maxillary incisors is crucial to occlusal relationship and esthetics and can be influenced by many factors. The aim of this study was to assess the relative influence of the material of the orthodontic appliance (adhesive, bracket, ligature, and wire) on tooth displacements and developed stresses/strains after torque application. METHODS: A three-dimensional upper right central incisor with its periodontal ligament (PDL) and alveolus was modeled...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28133716/influence-of-uncontrolled-diabetes-mellitus-on-periodontal-tissues-during-orthodontic-tooth-movement-a-systematic-review-of-animal-studies
#10
REVIEW
Shariq Najeeb, Fahad Siddiqui, Saad Bin Qasim, Zohaib Khurshid, Sana Zohaib, Muhammad Sohail Zafar
Diabetes mellitus (DM) may adversely affect periodontal tissues during orthodontic tooth movement (OTM). The aim of this review is to systematically analyze and review animal studies investigating the effect of DM on periodontal tissues during OTM. An electronic search was conducted via PubMed/Medline, Google Scholar, Embase, ISI Web of Knowledge, and Cochrane Central Register of Controlled Trials (CONTROL) using the keywords "diabetes," "orthodontics," and "tooth movement" for studies published between January 2000 and August 2016...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28133715/factors-affecting-dental-biofilm-in-patients-wearing-fixed-orthodontic-appliances
#11
Li Mei, Joyce Chieng, Connie Wong, Gareth Benic, Mauro Farella
BACKGROUND: The aim of this study is to investigate the amount and the distribution of biofilm in patients wearing fixed appliances and its relation with age, gender, frequency of tooth brushing, and patient motivation. METHODS: The sample comprised 52 patients (15.5 ± 3.6 years old, 30 females and 22 males) wearing fixed orthodontic appliances. Dental biofilm was assessed using a modified plaque index (PI). A questionnaire was used to collect patient's information, including gender, age, treatment motivation, and frequency of tooth brushing...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28092094/comparison-and-evaluation-of-stresses-generated-by-rapid-maxillary-expansion-and-the-implant-supported-rapid-maxillary-expansion-on-the-craniofacial-structures-using-finite-element-method-of-stress-analysis
#12
Varun Jain, Tarulatha R Shyagali, Prabhuraj Kambalyal, Yagnesh Rajpara, Jigar Doshi
BACKGROUND: The study aimed to evaluate and compare the stress distribution and 3-dimensional displacements along the craniofacial sutures in between the Rapid maxillary Expansion (RME) and Implant supported RME (I-RME). METHODS: Finite element model of the skull and the implants were created using ANSYS software. The finite element model thus built composed of 537692 elements and 115694 nodes in RME model & 543078 elements and 117948 nodes with implants model. The forces were applied on the palatal surface of the posterior teeth to cause 5mm of transverse displacement on either side of the palatal halves, making it a total of 10mm...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28066875/evaluating-the-effects-of-consolidation-on-intrusion-and-retraction-using-temporary-anchorage-devices-a-fem-study
#13
Monica Namburi, Sleevaraju Nagothu, Chetan S Kumar, N Chakrapani, C H Hanumantharao, Supradeep K Kumar
BACKGROUND: Extraction of premolars and retracting the anterior teeth using mini-implants and anterior retraction hooks became advent now a day. In such treatments, consolidation of arches is not done in regular practice. So, the present study is concentrated on effects of consolidation in two implant and three implant combinations of retraction and intrusion. METHODS: A three-dimensional FEM model of maxillary teeth and periodontal ligament housed in the alveolar bone with the first premolars extracted is generated with appropriate number of elements and nodes...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/28066874/the-effect-of-a-lidocaine-prilocaine-topical-anesthetic-on-pain-and-discomfort-associated-with-orthodontic-elastomeric-separator-placement
#14
M Abu Al-Melh, L Andersson
BACKGROUND: The initial placement of orthodontic elastomeric separators can be uncomfortable and painful. Therefore, it is important to relieve this disturbing sensation to create a discomfort or pain-free orthodontic visit. The purpose of this study was to investigate the effect of a lidocaine/prilocaine topical anesthetic on pain and discomfort associated with the placement of orthodontic elastomeric separators. METHODS: Fifty subjects aging between 20-35 years were included in this study...
December 2017: Progress in Orthodontics
https://www.readbyqxmd.com/read/27891568/oral-hygiene-compliance-in-orthodontic-patients-a-randomized-controlled-study-on-the-effects-of-a-post-treatment-communication
#15
Mauro Cozzani, Giulia Ragazzini, Alessia Delucchi, Sabrina Mutinelli, Carlo Barreca, Daniel J Rinchuse, Roberto Servetto, Vincenzo Piras
BACKGROUND: Several studies have recently demonstrated that a post-treatment communication to explain the importance of an oral hygiene can improve the orthodontic patients' compliance over a period of 66 days. The main goal of this study is to evaluate the effects of a structured follow-up communication after orthodontic appliance application on oral hygiene compliance after 30-40 days. METHODS: Eighty-four orthodontic participants enrolled from patients who were beginning fixed orthodontic treatment at the Orthodontic Department, Gaslini Hospital, Genova, between July and October 2014 were randomly assigned to one of three trial arms...
December 2016: Progress in Orthodontics
https://www.readbyqxmd.com/read/27819127/evaluation-of-the-antibacterial-activity-of-a-conventional-orthodontic-composite-containing-silver-hydroxyapatite-nanoparticles
#16
Ahmad Sodagar, Azam Akhavan, Ehsan Hashemi, Sepideh Arab, Maryam Pourhajibagher, Kosar Sodagar, Mohammad Javad Kharrazifard, Abbas Bahador
BACKGROUND: One of the most important complications of fixed orthodontic treatment is the formation of white spots which are initial carious lesions. Addition of antimicrobial agents into orthodontic adhesives might be a wise solution for prevention of white spot formation. The aim of this study was to evaluate the antibacterial properties of a conventional orthodontic adhesive containing three different concentrations of silver/hydroxyapatite nanoparticles. METHODS: One hundred and sixty-two Transbond XT composite discs containing 0, 1, 5, and 10 % silver/hydroxyapatite nanoparticles were prepared and sterilized...
December 2016: Progress in Orthodontics
https://www.readbyqxmd.com/read/27800593/biocompatibility-of-nanosilver-coated-orthodontic-brackets-an-in-vivo-study
#17
Gamze Metin-Gürsoy, Lale Taner, Emre Barış
BACKGROUND: Nanosilver particles of which antibacterial and antifungal properties have been shown in various in vitro and in vivo studies are used in many medical and dental fields for the prevention of infection. In this study, it is intended to evaluate the biocompatibility of nanosilver-coated brackets. METHODS: Nanosilver coating process was applied to the standard orthodontic brackets by a physical vapor deposition system. Brackets were coated with nanosilver particles of 1 μ thickness...
December 2016: Progress in Orthodontics
https://www.readbyqxmd.com/read/27800592/stress-and-displacement-pattern-evaluation-using-two-different-palatal-expanders-in-unilateral-cleft-lip-and-palate-a-three-dimensional-finite-element-analysis
#18
Anoop Mathew, K S Nagachandran, Devaki Vijayalakshmi
BACKGROUND: In this finite element (FE) study, the stress distribution and displacement pattern was evaluated in the mid-palatal area and around circum-maxillary sutures exerted by bone-borne palatal expander (BBPE) in comparison with conventional HYRAX rapid palatal expander in unilateral cleft lip and palate. METHODS: Computed tomography scan images of a patient with unilateral cleft palate was used to create a FE model of the maxillary bone along with circum-maxillary sutures...
December 2016: Progress in Orthodontics
https://www.readbyqxmd.com/read/27747529/perception-of-children-and-mothers-regarding-dental-aesthetics-and-orthodontic-treatment-need-a-cross-sectional-study
#19
Emerson Tavares de Sousa, Beatriz Feitosa da Silva, Fabiana Barros Marinho Maia, Franklin Delano Soares Forte, Fábio Correia Sampaio
BACKGROUND: The normative orthodontic treatment need, established by dental professionals during the dental appointment, becomes ineffective when it does not evaluate all the factors that influence the decision-making process, including individuals' perception and satisfaction with their dental appearance. Therefore, the purpose of this study was to investigate the perception of children and their mothers as regards orthodontic treatment need and satisfaction with dental aesthetics and test if these variables are associated with the objective orthodontic treatment needs, assessed by the Dental Aesthetic Index (DAI)...
December 2016: Progress in Orthodontics
https://www.readbyqxmd.com/read/27747528/evaluation-of-the-stiffness-characteristics-of-rapid-palatal-expander-screws
#20
Luca Lombardo, Enrico Sacchi, Maria Larosa, Francesco Mollica, Valentina Mazzanti, Giorgio Alfredo Spedicato, Giuseppe Siciliani
BACKGROUND: The aim of this study is to evaluate the mechanical properties of the screws used for rapid expansion of the upper jaw. METHODS: Ten types of expansion screw were assessed, seven with four arms: Lancer Philosophy 1, Dentaurum Hyrax Click Medium, Forestadent Anatomic Expander type "S", Forestadent Anatomic Expander type "S" for narrow palates, Forestadent Memory, Leone A 2620-10 with telescopic guide, and Leone A 0630-10 with orthogonal arms; and three with two arms: Dentaurum Variety S...
December 2016: Progress in Orthodontics
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