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European Journal of Orthodontics

Yassir A Yassir, Grant T McIntyre, David R Bearn
BACKGROUND/OBJECTIVE: To assess the validity and reliability of a series of three questionnaires for the quantification of patient perception of fixed appliance orthodontic treatment. SUBJECTS AND METHODS: The study was carried out at the University of Dundee with content and face validity being assessed using proformas. Initially ten experts (Orthodontic Specialists) assessed content validity with 11 professionals (seven Orthodontic Specialists and four Postgraduates) and 20 patients assessing face validity...
November 17, 2016: European Journal of Orthodontics
Aurelia Zelderloo, Maria Cadenas de Llano-Pérula, Anna Verdonck, Steffen Fieuws, Guy Willems
OBJECTIVE: To assess the dental, skeletal, and profile changes after functional appliances and subsequent fixed appliances treatment in order to quantify their effect and evaluate the influence of initial incisal inclination and growth pattern. MATERIALS AND METHODS: A retrospective cephalometric analysis was performed in 125 patients (77 females and 48 males). Three lateral cephalograms per patient were available: before treatment (T0, mean age 11.9 years), after functional treatment (T1, mean age 12...
October 14, 2016: European Journal of Orthodontics
Nisa Gul Amuk, Gökmen Kurt, Yusuf Baran, Volkan Seyrantepe, Melis Kartal Yandim, Aysun Adan, Secil Akyildiz Demir, Yagmur Kiraz, Mehmet Fatih Sonmez
AIM: The aim of this study is to evaluate and compare therapeutic effects of mesenchymal stem cell (MSCs) and osteoprotegerin (OPG) gene transfer applications on inhibition and/or repair of orthodontically induced inflammatory root resorption (OIIRR). MATERIALS AND METHODS: Thirty Wistar rats were divided into four groups as untreated group (negative control), treated with orthodontic appliance group (positive control), MSCs injection group, and OPG transfected MSCs [gene therapy (GT) group]...
October 12, 2016: European Journal of Orthodontics
Niko C Bock, Laura Seibold, Christian Heumann, Erhard Gnandt, Miriam Röder, Sabine Ruf
BACKGROUND: White spot lesions (WSL) frequently occur as side-effect of multibracket appliance treatment. The clinical effects of local fluoridation on post-orthodontic WSL and oral health development are however inconclusive. OBJECTIVE: In vivo monitoring of clinical WSL and oral health changes in response to weekly 1.25 per cent fluoride gel application after multibracket appliance treatment. TRIAL DESIGN: Randomized, single-centre, double-blind, parallel-group, placebo-controlled study...
October 4, 2016: European Journal of Orthodontics
Niko C Bock, Laura Seibold, Christian Heumann, Erhard Gnandt, Miriam Röder, Sabine Ruf
BACKGROUND: White spot lesions (WSLs) are a frequent side-effect of multibracket appliance treatment. The effect of local fluoridation on post-orthodontic WSL is however inconclusive. OBJECTIVE: Assessment of WSL changes in response to weekly 1.25 per cent fluoride gel application after multibracket appliance treatment. TRIAL DESIGN: Randomized, single-centre, double-blind, parallel-group, placebo-controlled study. PARTICIPANTS: Patients with not less than 1 WSL (modified score 1 or 2) on not less than 1 upper front teeth after debonding...
October 4, 2016: European Journal of Orthodontics
Eleni Parcha, Elias Bitsanis, Demetrios J Halazonetis
OBJECTIVE: To assess shape covariation of the palate and craniofacial complex (CFC) in children and adolescents. METHODS: Pre-treatment lateral cephalometric radiographs and corresponding maxillary casts of 100 children (8-10 years) and 100 adolescents (15-20 years) were digitized. Exclusion criteria were previous orthodontic treatment, craniofacial syndromes, mouth breathing, finger sucking, crossbite, tooth agenesis, and tooth impaction. Palatal shape was described with 239 surface and curve semilandmarks and craniofacial shape with 10 fixed landmarks and 117 curve semilandmarks...
September 30, 2016: European Journal of Orthodontics
Giuseppe Perinetti, Valentina Sbardella, Luca Contardo
BACKGROUND/OBJECTIVES: The use of the sole third finger middle phalanx for a maturational method has been proposed but not fully investigated. Herein, the diagnostic reliability of an improved five-stage third finger middle phalanx maturation (MPM) method in the identification of mandibular growth peak has been investigated. SUBJECTS/METHODS: From the files of the Burlington Growth Study, 35 subjects (20 males, 15 females) with at least 7 annual lateral cephalograms taken from 9 to 16 years were included...
September 27, 2016: European Journal of Orthodontics
Leandro Nicolao Buzatta, Roberto Hideo Shimizu, Isabela Almeida Shimizu, Camila Pachêco-Pereira, Carlos Flores-Mir, Mario Taba, André Luís Porporatti, Graziela De Luca Canto
BACKGROUND: The maintenance of gingival health around orthodontic fixed retainers (FRs) is difficult and different designs have been proposed. OBJECTIVE: The goal of this systematic review was to analyse whether FR designs that allow unobstructed interproximal flossing, compared with the ones that do not, improve gingival parameters. SEARCH METHODS: Detailed individual database search strategies for Cochrane Library, 'Latin' American and 'Caribbean' Health Sciences Literature, PubMed, Scopus, and Web of Science were developed...
September 13, 2016: European Journal of Orthodontics
Jari Taghavi Bayat, Jan Huggare, Bengt Mohlin, Nazar Akrami
OBJECTIVES: To identify key measures in predicting orthodontic treatment need and to propose a self-assessment instrument that improves treatment need assessment. SUBJECTS AND METHODS: The study included 150 randomly selected 13-year-olds. A set of measures linked to a previous study on daily life impact of malocclusion was processed, resulting in an instrument, the Demand for Orthodontic Treatment Questionnaire (DOTQ), which was analysed regarding dimensionality, reliability and validity...
September 7, 2016: European Journal of Orthodontics
Despina Koletsi, Theodore Eliades, Spiros Zinelis, Christoph Bourauel, George Eliades
AIM: The aim of the present study was to investigate the effect of rheumatoid arthritis (RA) and functional loading through diet modification on the structural conformation and the mechanical properties of the mandibular condyle in a transgenic mouse model and compare to healthy littermates. MATERIALS AND METHODS: Four-week-old hybrid male mice from mixed background CBAxC57BL/6 were used. Four groups of animals were formed consisting of five animals each, either presenting RA (transgenic line hTNF 197), or wild-type (control), half receiving ordinary (hard) diet and half receiving soft diet within each category...
December 2016: European Journal of Orthodontics
Megan B Lineberger, Lorenzo Franchi, Lucia H S Cevidanes, Luis T Huanca Ghislanzoni, James A McNamara
AIM: To evaluate maxillary and mandibular dental arch changes induced by a passive self-ligating system by analysing digital dental casts. SUBJECTS AND METHODS: A sample of 25 growing patients (16 females and 9 males, mean age 12.8 years) treated with passive self-ligating brackets was compared to a sample of 25 untreated controls (15 females and 10 males, mean age 13.4 years). Sixty three-dimensional points were digitised on the maxillary and mandibular pre- and post-treatment virtual models to evaluate differences in the transverse and antero-posterior arch dimensions and in the torque values of representative anterior and posterior teeth...
December 2016: European Journal of Orthodontics
Giorgio Iodice, Gianluca Danzi, Roberta Cimino, Sergio Paduano, Ambra Michelotti
BACKGROUND: Of the various malocclusions, unilateral posterior crossbite has often been associated to skeletal and muscular asymmetrical growth and function. OBJECTIVE: To assess, by systematically reviewing the literature, the association between unilateral posterior crossbite (UPCB) and morphological and/or functional asymmetries (i.e. skeletal, masticatory muscle electromyographic (EMG) performance, bite force, muscle thickness, and chewing cycle asymmetries)...
December 2016: European Journal of Orthodontics
Hans L L Wellens, Anne M Kuijpers-Jagtman
OBJECTIVE: The combination of generalized Procrustes superimposition (GPS) and principal component analysis (PCA) has been hypothesized to solve some of the problems plaguing traditional cephalometry. This study demonstrates how to establish the currently unclear relationship between the shape space defined by the first two principal components to the ANB angle, Wits appraisal, and GoGnSN angle, and to elucidate possible clinical applications thereof. METHODS: Digitized landmarks of 200 lateral cephalograms were subjected to GPS and PCA, after which the sample mean shape was deformed along/parallel to principal components (PC) 1 and 2, recording the ANB, Wits, and GoGnSN value at each location...
December 2016: European Journal of Orthodontics
Marco Migliorati, Sara Drago, Fabio Gallo, Leonardo Amorfini, Domenico Dalessandri, Chiara Calzolari, Stefano Benedicenti, Armando Silvestrini-Biavati
INTRODUCTION: The aim of this randomized clinical trial was to compare torque recordings at insertion time and 1 week post-placement between immediately loaded orthodontic miniscrews and an unloaded control group. TRIAL DESIGN: This RCT was designed as parallel with an allocation ratio of 1:1. METHODS: Eligibility criteria to enroll patients were: needs of fixed orthodontic treatment, no systemic disease, absence of using drugs altering bone metabolism...
December 2016: European Journal of Orthodontics
Fang Hua, Tanya Walsh, Anne-Marie Glenny, Helen Worthington
OBJECTIVES: To assess the reporting quality of randomized controlled trial (RCT) abstracts presented at the European Orthodontic Society (EOS) congresses, investigate any improvement after the release of CONSORT (CONsolidated Standards Of Reporting Trials) for Abstracts guidelines, and identify factors associated with reporting quality. METHODS: Abstract books of the 2003-07 (Pre-CONSORT period) and 2010-14 (Post-CONSORT period) EOS congresses were obtained from the official website of European Journal of Orthodontics...
December 2016: European Journal of Orthodontics
Eugene Twigge, Rachel M Roberts, Lisa Jamieson, Craig W Dreyer, Wayne J Sampson
OBJECTIVES: To evaluate the short- and long-term orthodontic treatment (OT) expectations, malocclusion severity, and oral health-related quality of life (OHRQoL) status of adolescent patients using qualitative and quantitative methodology. MATERIALS AND METHODS: Adolescents (n = 105; 42 males and 63 females) aged between 12 and 17 years participated in this interview and questionnaire-based study. The Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ) and the Oral Impacts on Daily Performances (OIDP) scale evaluated OHRQoL status...
December 2016: European Journal of Orthodontics
Pisha Pittayapat, Reinhilde Jacobs, Michael M Bornstein, Guillaume A Odri, Min Sung Kwon, Ivo Lambrichts, Guy Willems, Constantinus Politis, Raphaël Olszewski
OBJECTIVES: To develop a novel 3D landmark reference system that is specific for mandibular midline cephalometric landmarks and to assess its repeatability and reproducibility. METHODS: Cone-beam computed tomography (CBCT) scans (3D Accuitomo® 170) were performed on 26 dry human skulls. The CBCT data were exported into DICOM files and imported to Maxilim® software to create 3D surface models. Two observers identified five landmarks to create a specific mid-sagittal mandibular plane: two mandibular foramina, two molar landmarks and one interincisive landmark...
December 2016: European Journal of Orthodontics
Meiya Gao, Hu Long, Wenqiang Ma, Lina Liao, Xin Yang, Yang Zhou, Di Shan, Renhuan Huang, Fan Jian, Yan Wang, Wenli Lai
OBJECTIVES: This study aimed to clarify the roles of Acid-sensing ion channel 3 (ASIC3) in orofacial pain following experimental tooth movement. MATERIALS AND METHODS: Sixty male Sprague-Dawley rats were divided into the experimental group (40g, n = 30) and the sham group (0g, n = 30). Closed coil springs were ligated between maxillary incisor and molars to achieve experimental tooth movement. Rat grimace scale (RGS) scores were assessed at 0, 1, 3, 5, 7, and 14 days after the placement of the springs...
December 2016: European Journal of Orthodontics
Anu E Kaipainen, Kevin R Sieber, Rania M Nada, Thomas J Maal, Christos Katsaros, Piotr S Fudalej
OBJECTIVE: Facial attractiveness is an important factor in our social interactions. It is still not entirely clear which factors influence the attractiveness of a face and facial asymmetry appears to play a certain role. The aim of the present study was to assess the association between facial attractiveness and regional facial asymmetries evaluated on three-dimensional (3D) images. METHODS: 3D facial images of 59 (23 male, 36 female) young adult patients (age 16-25 years) before orthodontic treatment were evaluated for asymmetry...
December 2016: European Journal of Orthodontics
Moaiyad Moussa Pacha, Padhraig S Fleming, Ama Johal
OBJECTIVES: To systematically compare the efficacy of fixed and removable functional appliances in Class II malocclusion in terms of morphological and patient-centred outcomes. SEARCH METHODS: A comprehensive search of electronic databases without language or time restrictions was undertaken, applying a pre-specified search strategy. Supplementary electronic searching of orthodontics journals and references list of included studies was performed. SELECTION CRITERIA: Randomized (RCTs) and controlled (CCTs) clinical trials involving children under 16 years with Class II malocclusion and overjet more than 5mm were included...
December 2016: European Journal of Orthodontics
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