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European Journal of Orthodontics

Göran Isacsson, Eva Nohlert, Anette M C Fransson, Anna Bornefalk-Hermansson, Eva Wiman Eriksson, Eva Ortlieb, Livia Trepp, Anna Avdelius, Magnus Sturebrand, Clara Fodor, Thomas List, Mohamad Schumann, Åke Tegelberg
Background: The clinical benefit of bibloc over monobloc appliances in treating obstructive sleep apnoea (OSA) has not been evaluated in randomized trials. We hypothesized that the two types of appliances are equally effective in treating OSA. Objective: To compare the efficacy of monobloc versus bibloc appliances in a short-term perspective. Patients and methods: In this multicentre, randomized, blinded, controlled, parallel-group equivalence trial, patients with OSA were randomly assigned to use either a bibloc or a monobloc appliance...
May 16, 2018: European Journal of Orthodontics
Aikaterini Samandara, Spyridon N Papageorgiou, Ioulia Ioannidou-Marathiotou, Smaragda Kavvadia-Tsatala, Moschos A Papadopoulos
Background: Orthodontically induced external root resorption (OIRR) is a pathologic consequence of orthodontic tooth movement. However, the limitations of two-dimensional radiography suggest that cone beam computed tomography (CBCT) with its three-dimensional capabilities might be more suitable to assess OIRR. Objective: The aim of this study was to assess in an evidence-based manner data on linear or volumetric OIRR measurements of permanent teeth by means of CBCT, during and/or after the end of orthodontic treatment...
May 15, 2018: European Journal of Orthodontics
Noelia López, Ascensión Vicente, Luis A Bravo, José L Calvo Guirado, Manuel Canteras
No abstract text is available yet for this article.
May 9, 2018: European Journal of Orthodontics
Maria Bizzarro, Chiara Generali, Saverio Maietta, Massimo Martorelli, Martina Ferrillo, Carlos Flores-Mir, Letizia Perillo
Objectives: To evaluate the association between maxillary dental arch transverse dimensions, palatal depths, palatal area and volume with buccally displaced canine (BDC) in mixed dentition subjects when compared to non-BDC subjects using laser scanner 3D technology. Materials and methods: Sixty Caucasian subjects, 8-11 years of age (mean, 9.26 ± 1.48 years), were included. In each group (BDC and non-BDC) 30 children were matched. Digital dental casts were obtained using a 3 Shape D700 laser scanner...
May 3, 2018: European Journal of Orthodontics
Hanna Enerbäck, Marie Möller, Cathrine Nylén, Cecilia Ödman Bresin, Ingrid Östman Ros, Anna Westerlund
Background: Caries is an undesirable side-effect of treatment with fixed orthodontic appliances. Therefore, it is crucial to understand how orthodontic treatment and different fluoride regimens affect caries risk and individual risk factors. Objective: To evaluate the effects of orthodontic treatment and different fluoride regimens on caries risk and caries risk factors, including cariogenic bacteria. Trial design: Three-armed, parallel group, randomized, controlled trial...
May 2, 2018: European Journal of Orthodontics
Salem Abdulraheem, Lars Bondemark
Objective: To analyse in 10 orthodontic journals how many randomized controlled trials (RCTs) performed 'single-', 'double-', 'triple-', or 'outcome assessors blinding' and to evaluate, from the number of RCTs that did not conduct blinding, how many could actually have achieved it. Material and methods: Randomized controlled trials published in 10 orthodontic journals between 1 September 2012 and 28 February 2018 were included. A search was performed in PubMed and conducted for publication type 'randomized controlled trial' for each journal...
April 24, 2018: European Journal of Orthodontics
Ambrosina Michelotti, Roberto Rongo, Roberta Valentino, Vincenzo D'Antò, Rosaria Bucci, Gianluca Danz, Iacopo Cioffi
Objectives: The relationship between unilateral posterior crossbite (UPCB) and the possible asymmetric activation of the jaw muscles in children is still under debate. This study aimed at evaluating the jaw muscle activity of children with UPCB before and after rapid maxillary expansion (RME) by means of surface electromyography and a standardized sampling protocol. Subjects and methods: Twenty-nine children with UPCB (UPCB-group, mean age 9.6 ± 1.6 years) and 40 UPCB-free controls (Control-group, 10...
April 23, 2018: European Journal of Orthodontics
Sigurd Hadler-Olsen, Pertti Pirttiniemi, Heidi Kerosuo, Anders Sjögren, Paula Pesonen, Johanna Julku, Raija Lähdesmaki
Objective: To test whether early headgear (HG) treatment and space conditions in the dental arch affect the eruption pathway of the maxillary canines in young children with mixed dentition. Subjects and methods: Data from two randomized controlled trials studying the effects of early HG treatment were pooled, yielding a study sample comprising 99 children (38 girls and 61 boys, mean age 7.6 years) with Angle Class II occlusion. Fifty-one children were treated with HG and 48 children served as an untreated control group (CG)...
April 3, 2018: European Journal of Orthodontics
Ghassan Idris, Mohammad Y Hajeer, Azzam Al-Jundi
Background: Increased awareness on the role of oral functions in the aetiology of Class II deformities has led to the wide spread of myofunctional training appliances as easy and possibly effective treatment for children with Class II malocclusion but their efficacy is yet to be proven. Objectives: To evaluate soft- and hard-tissue changes following 12 months of Class II division 1 treatment in growing patients with a conventional functional appliance (a modified Activator) versus a myofunctional Trainer system (T4K®)...
April 3, 2018: European Journal of Orthodontics
Felix Kunz, Tilmann Schweitzer, Stephan Große, Nina Waßmuth, Angelika Stellzig-Eisenhauer, Hartmut Böhm, Philipp Meyer-Marcotty, Christian Linz
Background: As there are very few long-term studies on the effects of head orthosis on deformational plagiocephaly (DP), we investigated the outcomes of patients, including facial symmetry and dental occlusion. Methods: Forty-five infants with DP [cranial vault asymmetry index (CVAI) > 3.5 per cent] were divided into two groups: one treated with head orthosis (32 infants) and another without (13 infants). Another group without head asymmetry (CVAI ≤ 3.5 per cent) served as control...
April 3, 2018: European Journal of Orthodontics
Linn Haugland, Kasper Dahl Kristensen, Stein Atle Lie, Vaska Vandevska-Radunovic
Objective: Biologic factors and adjunctive therapies are known to affect the degree of orthodontically induced inflammatory root resorption (OIIRR). However, a systematic overall assessment of their impact on OIIRR has not previously been reported. We, therefore, aimed to systematically assess effects on OIIRR of biologic factors and adjunctive therapies in human and animal subjects. Methods: A comprehensive search strategy was performed for all major electronic databases...
March 29, 2018: European Journal of Orthodontics
Giuseppe Perinetti, Jasmina Primozic, Bhavna Sharma, Iacopo Cioffi, Luca Contardo
Background/objectives: The capability of the cervical vertebral maturation (CVM) method in the identification of the mandibular growth peak on an individual basis remains undetermined. The diagnostic reliability of the six-stage CVM method in the identification of the mandibular growth peak was thus investigated. Subjects/Methods: From the files of the Oregon and Burlington Growth Studies (data obtained between early 1950s and middle 1970s), 50 subjects (26 females, 24 males) with at least seven annual lateral cephalograms taken from 9 to 16 years were identified...
March 28, 2018: European Journal of Orthodontics
Inna Sydorak, Ming Dang, Sarah J Baxter, Michael Halcomb, Peter Ma, Sunil Kapila, Nan Hatch
Background: Because orthodontic tooth movement is dependent upon osteoclast-mediated resorption of alveolar bone adjacent to the pressure side of tooth roots, biologic mediators that regulate osteoclasts can be utilized to control tooth movement. Objectives: To develop a novel method to locally enhance orthodontic anchorage. Methods: We encapsulated osteoprotegerin (OPG) in polymer microspheres and tested the effectiveness of microsphere encapsulated versus non-encapsulated OPG for enhancing orthodontic anchorage in a rodent model of tooth movement...
March 28, 2018: European Journal of Orthodontics
Lydia Kakali, Majed Alharbi, Nikolaos Pandis, Nikolaos Gkantidis, Dimitrios Kloukos
Objectives: To assess the failure rates of palatal implants and palatal mini-screws, independently and comparatively, used for supplementing anchorage during orthodontic treatment. Protocol and registration: The protocol was not registered prior to the study. This study was not registered in any publicly assessable database. Materials and methods: Screening for inclusion eligibility, quality assessment of studies, and data extraction was performed independently by two authors...
March 28, 2018: European Journal of Orthodontics
Ahmad Alobeid, Tarek El-Bialy, Susanne Reimann, Ludger Keilig, Dirk Cornelius, Andreas Jäger, Christoph Bourauel
Background/objective: The aim of this study was to evaluate the efficacy of tooth alignment with conventional and self-ligating labial and lingual orthodontic bracket systems. Materials/methods: We tested labial brackets (0.022″ slot size) and lingual brackets (0.018″ slot size). The labial brackets were: (i) regular twin brackets (GAC-Twin [Dentsply]), (ii) passive self-ligating brackets including (Damon-Q® [ORMCO]; Ortho classic H4™ [Orthoclassic]; FLI®SL [RMO]), and (iii) active self-ligating brackets (GAC In-Ovation®C [DENTSPLY] and SPEED™[Strite])...
March 13, 2018: European Journal of Orthodontics
Militiadis A Makrygiannakis, Eleftherios G Kaklamanos, Athanasios E Athanasiou
Background: As the taking of any medication may theoretically affect the complex pathways responsible for periodontal tissue homeostasis and the events leading to orthodontic tooth movement, it is considered important for the orthodontist to be able to identify prospective patients' history and patterns of pharmaceutical consumption. Objective: To systematically investigate and appraise the quality of the available evidence regarding the effect of commonly prescribed medications on the rate of orthodontic tooth movement...
March 6, 2018: European Journal of Orthodontics
Rosalia Leonardi, Antonino Lo Giudice, Michele Rugeri, Simone Muraglie, Giancarlo Cordasco, Ersilia Barbato
Background and objectives: Some authors have recently postulated the possibility of a unilateral contraction of the palate in patients with crossbite. This study aimed to investigate palatal dimension size and morphology in subjects with functional posterior crossbite and to localize location of the contraction through a 3D analysis procedure. Materials and methods: A study sample (SS) of 35 subjects (mean age 9.2 ± 0.8 years), diagnosed with functional crossbite, and a control sample (CS) of 35 subjects (mean age 9...
February 21, 2018: European Journal of Orthodontics
Irma Dumbryte, Jurate Vebriene, Laura Linkeviciene, Mangirdas Malinauskas
Objectives: To evaluate and compare the enamel microcracks (EMCs) characteristics (qualitative and quantitative) in the form of tooth damage before and after debonding from human teeth of in vitro studies. Eligibility criteria: Laboratorial studies evaluating EMCs characteristics before and after debonding metal and ceramic brackets from human teeth with intact buccal enamel. Information sources: An electronic search of four databases (all databases of the Cochrane Library, CA Web of Science, MEDLINE via PubMed, and Google Scholar) and additional manual searches were carried out, without language restrictions...
February 21, 2018: European Journal of Orthodontics
Jun-Ichi Takada, Takashi Ono, Jun J Miyamoto, Toshiaki Yokota, Keiji Moriyama
No abstract text is available yet for this article.
February 20, 2018: European Journal of Orthodontics
Johanna Schmid, Daniel Brenner, Wolfgang Recheis, Philipp Hofer-Picout, Martin Brenner, Adriano G Crismani
Background and objectives: Indirect bonding (IDB) proved to be an effective method for appropriate bracket positioning in patients. Different methods and materials are available for fabricating transfer trays. This in vitro study was designed to measure and compare the transfer accuracy of two common IDB methods. Materials and methods: Sixty stone models were fabricated and separated in two groups of 30 models each (15 working models, 15 patient models). After placing brackets on the working models, 30 IDB trays were made: 15 silicone (method I) and 15 double-vacuum forms (method II)...
February 19, 2018: European Journal of Orthodontics
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