Three-dimensional analysis of orthodontic tooth movement based on XYZ and finite helical axis systems.

abstract：:This paper describes and illustrates an innovative versatile skull-holding device for experimental research in cephalometrics. Repositioning of the skulls was evaluated and found to be highly reproducible. ...

journal_title：European journal of orthodontics

authors： Chan TC,Tng TT,Hägg U,Cooke MS

更新日期：1996-04-01 00:00:00

abstract：:The purpose of this laboratory study was to assess the potential cleaning efficacy of nine different toothbrushes around brackets in vitro. Standard and Mini Diamond brackets were fixed on coloured teeth in a special model, coated with white titanium oxide, brushed in a machine with different manual toothbrushes (thre...

journal_title：European journal of orthodontics

authors： Schätzle M,Imfeld T,Sener B,Schmidlin PR

更新日期：2009-02-01 00:00:00

abstract：:This study provides sex specific reference data for the incremental growth of the mandibular condyle. The results pertain to a mixed-longitudinal sample of 113 males and 108 females followed annually between 6 and 16 years of age (total of 1647 observations). Growth of condylion was evaluated using naturally stable ma...

journal_title：European journal of orthodontics

authors： Buschang PH,Santos-Pinto A,Demirjian A

更新日期：1999-04-01 00:00:00

abstract：:P561T heterozygous missense mutation in the growth hormone receptor (GHR) is a candidate genetic polymorphism (single-nucleotide polymorphism) for human mandibular growth. The purpose of this study was to assess whether this mutation affects mandibular growth during early childhood. The difference in mandibular growth...

journal_title：European journal of orthodontics

authors： Sasaki Y,Satoh K,Hayasaki H,Fukumoto S,Fujiwara T,Nonaka K

更新日期：2009-10-01 00:00:00

abstract：Aim:The aim of this study was to describe the longitudinal changes in facial morphology, dental arch alterations and oral functional capacities that occur in growing patients with Duchenne muscular dystrophy (DMD) in order to identify the effects of the progression of the disease. Subjects and Methods:Twelve DMD patie...

journal_title：European journal of orthodontics

authors： Egli F,Botteron S,Morel C,Kiliaridis S

更新日期：2018-04-06 00:00:00

abstract：Background:Scientific evidence is insufficient to answer the question of whether premature birth causes altered tooth-crown dimensions. Objective:To evaluate permanent tooth-crown dimensions in prematurely born children and to compare the findings with full-term born controls. Subjects and Methods:Preterm children of...

journal_title：European journal of orthodontics

authors： Ebrahim E,Paulsson L

更新日期：2017-11-30 00:00:00

abstract：Background/objectives:Maxillary tooth distal movement is a treatment option for Class II malocclusion. This prospective clinical study (split-mouth design) was aimed to compare chondroitin sulphate (CS) levels in gingival crevicular fluid (GCF), the rates of tooth movement, and patient pain and discomfort during segmen...

journal_title：European journal of orthodontics

authors： Limsiriwong S,Khemaleelakul W,Sirabanchongkran S,Pothacharoen P,Kongtawelert P,Ongchai S,Jotikasthira D

更新日期：2018-09-28 00:00:00

abstract：BACKGROUND:Although ceramic brackets have been extensively used for decades in orthodontics there is not till today any study focusing on the possible deterioration of mechanical properties after in vivo ageing. OBJECTIVES:To determine whether the mechanical properties of alumina orthodontic brackets change after intr...

journal_title：European journal of orthodontics

authors： Alexopoulou E,Polychronis G,Konstantonis D,Sifakakis I,Zinelis S,Eliades T

更新日期：2020-01-27 00:00:00

abstract：Background:Detection of pubertal growth peak is vital in orthodontic treatment timing and planning. Gingival crevicular fluid (GCF) contains abundant proteins from different sources and is an ideal source of biomarkers. The aim of this research is to detect candidate GCF biomarkers of pubertal growth by tandem mass tag...

journal_title：European journal of orthodontics

authors： Wen X,Franchi L,Chen F,Gu Y

更新日期：2018-07-27 00:00:00

abstract：:The aim of this study was to investigate the relationship between Turkish university students' awareness of malocclusion, their satisfaction with their personal dental appearance, and the severity of their occlusal irregularities. The sample consisted of 841 randomly selected university students, 522 (62.1 per cent) m...

journal_title：European journal of orthodontics

authors： Hamamci N,Başaran G,Uysal E

更新日期：2009-04-01 00:00:00

abstract：:The aim of this study was to review recent randomized clinical trials (RCTs) dealing with the effectiveness of various modalities of orthopaedic/orthodontic expansion of maxillary arches with crossbite and the associated 6 month post retention stability. The study selection criteria included RCTs involving subjects wi...

journal_title：European journal of orthodontics

authors： Zuccati G,Casci S,Doldo T,Clauser C

更新日期：2013-02-01 00:00:00

abstract：:An analysis of the facial soft tissues is presented which permits aesthetic considerations of facial harmony and balance to be measured, and assessed quantitatively. The assessment is carried out in a practical and straight-forward manner, avoiding the measurement of angles. The visually determined Aesthetic Horizonta...

journal_title：European journal of orthodontics

authors： Bass NM

更新日期：1991-10-01 00:00:00

abstract：:Differential scanning calorimetry (DSC) was used to determine the transition temperature ranges (TTR) of four types of super-elastic orthodontic nickel-titanium coil springs (Sentalloy). A knowledge of the TTR provides information on the temperature at which a NiTi wire or spring can assume superelastic properties and...

journal_title：European journal of orthodontics

authors： Barwart O,Rollinger JM,Burger A

更新日期：1999-10-01 00:00:00

abstract：:Many practitioners will recognize that subjects with a large mandibular plane inclination are characterized by an extended head posture and a forward inclined cervical column, i.e. an extended cranio-cervical posture. It is also typical that subjects with a short-face morphology often carry their heads somewhat lowere...

journal_title：European journal of orthodontics

authors： Solow B,Sandham A

更新日期：2002-10-01 00:00:00

abstract：:This study investigated the influence of changing the antero-posterior (AP) and vertical proportions of the lower face on the rankings of facial attractiveness. Four hundred and fifty-four (219 males and 235 females) native Jordanians of various ages and professions rated the attractiveness of a sequence of antero-pos...

journal_title：European journal of orthodontics

authors： Abu Arqoub SH,Al-Khateeb SN

更新日期：2011-02-01 00:00:00

abstract：:This study, performed using a specially designed apparatus that included 10 aligned brackets, evaluated the frictional resistance generated by conventional stainless steel (SS) brackets (Victory Series), self-ligating Damon SL II brackets, Time Plus brackets, and low-friction ligatures (Slide) coupled with various SS,...

journal_title：European journal of orthodontics

authors： Tecco S,Di Iorio D,Cordasco G,Verrocchi I,Festa F

更新日期：2007-08-01 00:00:00

abstract：:This clinical study evaluated factors related to root resorption before (T1) and after (T2) orthodontic treatment. Ninety-six subjects between 9 and 34 years (34 males and 62 females) who had been treated using fixed appliances for at least 1 year and who had panoramic radiographs at T1 and T2 were selected. The relat...

journal_title：European journal of orthodontics

authors： Jiang RP,McDonald JP,Fu MK

更新日期：2010-12-01 00:00:00

abstract：:Two young patients, one female and one male, with asymmetric occlusal deviation and extreme Angle Class II division 1 malocclusions were treated with the Herbst appliance after cessation of endochondral growth (union of the radius epiphysis). During treatment, computer tomographic (CT) scanning and orthopantomograms o...

journal_title：European journal of orthodontics

authors： Paulsen HU,Karle A

更新日期：2000-12-01 00:00:00

abstract：:Clinical outcomes in children born with a cleft lip and palate (CLP) have been an area of interest for orthodontists for a number of years. Whilst tools for measurement of these outcomes are available, there is no widely accepted measure of initial cleft severity and no known quantitative indices. Therefore, the poten...

journal_title：European journal of orthodontics

authors： Johnson N,Williams A,Singer S,Southall P,Sandy J

更新日期：2000-02-01 00:00:00

abstract：:This study was designed to explore a new method for the assessment of dental crowding from study models, which would be both valid and reproducible. This was then tested against two previously reported strategies. A single examiner compared the following methods: visual examination, brass wire/callipers, and a reflex ...

journal_title：European journal of orthodontics

authors： Johal AS,Battagel JM

更新日期：1997-10-01 00:00:00

abstract：:As orthodontic appliances can corrode with time in the oral environment, the aim of this study was to compare the release of metal ions from new and recycled brackets immersed in buffers of different pH values over a 48 week period. To simulate commercial recycling, the stainless steel brackets were divided into two g...

journal_title：European journal of orthodontics

authors： Huang TH,Ding SJ,Min Y,Kao CT

更新日期：2004-04-01 00:00:00

abstract：:This prospective study analysed the lateral cephalometric radiographs of 59 dentate, white, Caucasian males. Thirty-five patients with proven obstructive sleep apnoea (OSA) formed the experimental group, while 24 subjects with no history of respiratory disease acted as controls. Radiographs were traced and digitized, ...

journal_title：European journal of orthodontics

authors： Battagel JM,L'Estrange PR

更新日期：1996-12-01 00:00:00

abstract：:It has previously been shown by light (LM) and scanning electron microscopy (SEM), that after force is terminated, repair of the orthodontic root resorption lacunae occur by deposition of new cementum. The ultrastructural details of the process are not well established. Since it has been hypothesized that a new barrie...

journal_title：European journal of orthodontics

authors： Brudvik P,Rygh P

更新日期：1995-06-01 00:00:00

abstract：:The aims of this study were two-fold. First to compare the perceptions of African dental aesthetics as determined by a panel of black African Senegalese and French Caucasian judges, and second to compare the sensitivity and specificity of both components of the Index of Orthodontic Treatment Need (IOTN) and the Index ...

journal_title：European journal of orthodontics

authors： Ngom PI,Brown R,Diagne F,Normand F,Richmond S

更新日期：2005-12-01 00:00:00

abstract：:To study the effects of transforming growth factor beta 2 (TGF-beta 2) on bone resorption, cultures of 17-day-old foetal mouse metatarsal long bones were used. The long bone rudiments were cultured for 5 days in medium supplemented with 10% rat serum. The effects of TGF-beta 2 were studied at concentrations of 1, 4, a...

journal_title：European journal of orthodontics

authors： Berghuis HM,Dieudonné SC,Goei W,Veldhuijzen JP

更新日期：1994-04-01 00:00:00

abstract：AIMS:The aim of this work was to investigate the effects of commonly used orthodontic appliances on the magnetic resonance (MR) image quality of the craniofacial region, with special interest in the soft palate and velopharyngeal wall using real-time speech imaging sequences and anatomical imaging of the temporomandibu...

journal_title：European journal of orthodontics

authors： Wylezinska M,Pinkstone M,Hay N,Scott AD,Birch MJ,Miquel ME

更新日期：2015-12-01 00:00:00

abstract：:The aim of this prospective study was to quantify the display of the dentition through the soft tissue frame during speech using videography for different age groups. Two hundred and sixty-one subjects were initially screened and were divided into five groups: group 1 (G1) (15-19 years), G2 (20-29 years), G3 (30-39 ye...

journal_title：European journal of orthodontics

authors： Jacobson A,Upadhyay M,Nanda R

更新日期：2013-10-01 00:00:00

abstract：:Corrosion of orthodontic miniscrews or temporary anchorage devices (TADs) has been proposed as a contributor to inflammation, which in turn is a factor in the clinical success of miniscrews. The purpose of this study was to measure the electrochemical properties of orthodontic miniscrews in artificial saliva with and ...

journal_title：European journal of orthodontics

authors： Knutson KJ,Berzins DW

更新日期：2013-08-01 00:00:00

abstract：:The purpose of the study was to evaluate differences in dental arch morphology among an orthodontic sample of 386 untreated adult females between 17 and 68 years of age, categorized by age group (17-25 years, 26-35 years, or 35+ years) and malocclusion (Class I, Class II division 1, or Class II division 2). The result...

journal_title：European journal of orthodontics

authors： Buschang PH,Stroud J,Alexander RG

更新日期：1994-02-01 00:00:00

abstract：:A high prevalence of cervical vertebrae anomalies (CVA) has been recently associated with various malocclusions. Our aim was to study the prevalence of CVA on lateral cephalograms in Class II subjects and to compare the findings with those obtained from cone beam computed tomography (CBCT). Standardized cephalograms o...

journal_title：European journal of orthodontics

authors： Bebnowski D,Hänggi MP,Markic G,Roos M,Peltomäki T

更新日期：2012-04-01 00:00:00