Mechanical behaviour of a prototype orthodontic retraction spring: a numerical-experimental study.

abstract：:The Beni Solow award for the best article published in the European Journal of Orthodontics in 2014 has been won by: Karoline Dreesen, Steven Swinnen, Koenraad Devriendt, and Carine Carels from Departments of Orthodontics and Human Genetics, Katholieke Universiteit Leuven, Belgium and Department of Orthodontics and Cr...

journal_title：European journal of orthodontics

authors：

更新日期：2015-08-01 00:00:00

abstract：BACKGROUND:There are few cost evaluation studies of orthodontic retention treatment. The aim of this study was to compare the costs in a randomized controlled trial of three retention methods during 2 years of retention treatment. MATERIALS/METHODS:To determine which alternative has the lower cost, a cost-minimization...

journal_title：European journal of orthodontics

authors： Tynelius GE,Lilja-Karlander E,Petrén S

更新日期：2014-08-01 00:00:00

abstract：:Non-syndromic permanent canine agenesis, or combined with agenesis, or developmental absence of other tooth types, has occasionally been described in the literature, but isolated forms are rarely observed. The purpose of the present retrospective radiographic study was to provide data on the prevalence and distributio...

journal_title：European journal of orthodontics

authors： Rózsa N,Nagy K,Vajó Z,Gábris K,Soós A,Alberth M,Tarján I

更新日期：2009-08-01 00:00:00

abstract：:The effect of contamination by dietary oil on acid etching has not been reported in the literature. If dietary oil adversely affects acid etching, then a decrease in bond strength is expected. This in vitro study investigated the bond strength of brackets bonded to tooth surfaces that had been contaminated with dietar...

journal_title：European journal of orthodontics

authors： Tan LS,Lew KK,Toh SL

更新日期：1997-04-01 00:00:00

abstract：:The prevalence of signs and symptoms attributed to craniomandibular disorders (CMD) was established in an orthodontically treated sample. The effect of orthodontic therapy upon this prevalence was studied by monitoring three groups of patients whose treatment procedures were different. The first group was treated with...

journal_title：European journal of orthodontics

authors： Dibbets JM,van der Weele LT

更新日期：1992-02-01 00:00:00

abstract：:Katz's quantitative modification of Angle's occlusion classification has been found to have a high intra- and inter-examiner agreement among orthodontists. In the present study an attempt was made to introduce a 'combined' system comprising Katz's modification and overjet/overbite millimetric measurements in order to ...

journal_title：European journal of orthodontics

authors： Brin I,Weinberger T,Ben-Chorin E

更新日期：2000-04-01 00:00:00

abstract：:The purpose of this study was to evaluate the outcome of a scheme for provision of orthognathic surgery by examining whether patients' expectations were fulfilled as well as their opinions about the result of treatment and side-effects. Data were obtained during a pre-planned 3-year follow-up clinical examination whic...

journal_title：European journal of orthodontics

authors： Espeland L,Høgevold HE,Stenvik A

更新日期：2008-02-01 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：:The aim of this study was to investigate potential occurrence of bacteremia in orthodontic patients after removal of miniscrews.The study group comprised 30 healthy subjects (17 males, 13 females) with a mean age of 24.1 years treated with self-ligating fixed appliances and mini-implant anchorage. Two 20 ml venous blo...

journal_title：European journal of orthodontics

authors： Livas C,Delli K,Karapsias S,Pandis N,Ren Y

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND/OBJECTIVE:Facial asymmetry is very common in adult class III patients; however, the degree of facial asymmetry in growing class III subjects has been poorly investigated. Therefore, the aim was to assess the degree of facial asymmetry of growing class III subjects and to compare it with a sample of growing s...

journal_title：European journal of orthodontics

authors： Ovsenik M,Perinetti G,Zhurov A,Richmond S,Primozic J

更新日期：2014-08-01 00:00:00

abstract：:The objective of the present investigation was to determine the intrapulpal temperature changes and to compare the shear bond strength (SBS) of bondable buccal tubes bonded by high-intensity light sources. Ninety caries-free human first molar teeth extracted for periodontal reasons were used. For the temperature measu...

journal_title：European journal of orthodontics

authors： Ulusoy C,Irmak O,Bagis YH,Ulusoy OI

更新日期：2008-08-01 00:00:00

abstract：:Class II elastics are usually employed in the treatment of excessive overbite and overjet with the Begg technique. The effect of Class II elastics on bite opening and the extent of such an effect is uncertain. This article, based on measurements of 30 cases, illustrates that the effect of the vertical component of for...

journal_title：European journal of orthodontics

authors： Xu TM,Lin JX,Huang JF,Cai P,Tan QF

更新日期：1992-08-01 00:00:00

abstract：:The present study reveals new data concerning the prenatal interrelationship between maturation of teeth and basicranial bones. By using radiographs of the mid-sagittal tissue segment of 43 human craniums, the developmental relationship between a well-defined stage of the central maxillary incisor development and the ...

journal_title：European journal of orthodontics

authors： Christensen LR,Kjaer I,Graem N

更新日期：1993-04-01 00:00:00

abstract：BACKGROUND/OBJECTIVES:Facial soft tissues changes during growth roughly tend to mimic the underlying hard tissues, but not completely. The aim of this mixed longitudinal study was to assess facial growth among pre-pubertal and pubertal subjects without malocclusion using a non-invasive three-dimensional laser scanning ...

journal_title：European journal of orthodontics

authors： Primozic J,Perinetti G,Contardo L,Ovsenik M

更新日期：2017-02-01 00:00:00

abstract：:The performance of 5941 stainless steel orthodontic brackets bonded with a no-mix adhesive (Right-on) in 563 patients was reviewed over a 5-year period. The effects of age and sex of the patient, treatment mechanics, operator experience, and arch location on the failure rate and mean survival time (MST) of bonded orth...

journal_title：European journal of orthodontics

authors： Millett DT,Gordon PH

更新日期：1994-06-01 00:00:00

abstract：BACKGROUND:Pain can discourage patients from seeking orthodontic treatment or compromise their compliance during therapy. OBJECTIVES:To determine the effects of verbal and written information on orthodontic pain after fixed appliance placement. TRIAL DESIGN:Two-arm parallel design randomized controlled trial. METHOD...

journal_title：European journal of orthodontics

authors： Montebugnoli F,Incerti Parenti S,D'Antò V,Alessandri-Bonetti G,Michelotti A

更新日期：2020-11-03 00:00:00

abstract：:Occlusal traits and craniofacial morphology were studied in growing patients with Duchenne muscular dystrophy (DMD). Sixteen patients from 6 to 20 years of age were examined and compared with 16 healthy male individuals matched according to age. The dental arches and occlusal traits of both groups were analysed on den...

journal_title：European journal of orthodontics

authors： Morel-Verdebout C,Botteron S,Kiliaridis S

更新日期：2007-10-01 00:00:00

abstract：:Optical surface scanning technologies produce dense three-dimensional (3D) data sets, which allow detailed analysis of surface morphology. This paper describes a method of analysing change in facial shape independently of change in size. The 3D data from three male subjects from the age of 6-21 years were recorded usi...

journal_title：European journal of orthodontics

authors： Hennessy RJ,Moss JP

更新日期：2001-06-01 00:00:00

abstract：:Tissue shortage complicates the surgery of cleft palate (CP) anomalies. The healing of defects on the palate impairs growth of the dento-maxillary complex due to scar tissue formation. Implantation of grafts into the wound area might reduce this adverse effect of surgery. The aim of this study was to evaluate a cultur...

journal_title：European journal of orthodontics

authors： Ophof R,Maltha JC,Kuijpers-Jagtman AM,Von den Hoff JW

更新日期：2008-02-01 00:00:00

abstract：:The aim of the present study was to examine dentoalveolar development in subjects with an 'ideal' (normal) occlusion. The material comprised 436 study casts of 189 male and 247 female subjects of Swedish origin between the ages of 5 and 31 years with no history of orthodontic treatment. Tooth width, and arch length, w...

journal_title：European journal of orthodontics

authors： Thilander B

更新日期：2009-04-01 00:00:00

abstract：:The age- and gender-related shape variations of the craniofacial skeleton in skeletal Class I children were quantified using a Fourier analysis on the pre-treatment lateral head films of 122 orthodontic patients (age range 7-15 years), who were subdivided into six groups for sex and age (2-year intervals). Seven landm...

journal_title：European journal of orthodontics

authors： Ferrario VF,Sforza C,Poggio CE,Colombo A,Cova M

更新日期：1997-12-01 00:00:00

abstract：OBJECTIVES:Assess facial asymmetry in subjects with unilateral cleft lip (UCL), unilateral cleft lip and alveolus (UCLA), and unilateral cleft lip, alveolus, and palate (UCLP), and to evaluate which area of the face is most asymmetrical. METHODS:Standardized three-dimensional facial images of 58 patients (9 UCL, 21 UC...

journal_title：European journal of orthodontics

authors： Kuijpers MA,Desmedt DJ,Nada RM,Bergé SJ,Fudalej PS,Maal TJ

更新日期：2015-12-01 00:00:00

abstract：:The purpose of this study was to compare the effect of overjet and overbite correction in non-extraction and extraction therapy in a sample of Class II malocclusions treated with the Edgewise appliance. The subjects were 20 children treated without extraction and 20 children treated with extraction of the four first p...

journal_title：European journal of orthodontics

authors： Hellekant M,Lagerström L,Gleerup A

更新日期：1989-05-01 00:00:00

abstract：:The purpose of the present investigation was to determine the long-term prognosis of autotransplanted premolars with respect to periodontal healing. The subjects consisted of 195 patients aged 7 to 35 years, with a total of 370 autotransplanted all operated and followed with a standard technique. The observation perio...

journal_title：European journal of orthodontics

authors： Andreasen JO,Paulsen HU,Yu Z,Schwartz O

更新日期：1990-02-01 00:00:00

abstract：:The aim of the present study was to compare patient, parent and clinician perceived need for orthodontic treatment in relation to normative orthodontic treatment need as measured by the Index of Orthodontic Treatment Need (IOTN). A prospective cross-sectional study was designed to address this aim. The sample comprise...

journal_title：European journal of orthodontics

authors： Hamdan AM

更新日期：2004-06-01 00:00:00

abstract：:The effect of protruded mandibular function on the maxilla and zygoma was studied in young unilaterally condylectomized growing rats. Forty-eight-4-week-old rats were divided into two experimental and two control groups as follows: group A, 12 animals unilaterally condylectomized on the right side; the mandible was al...

journal_title：European journal of orthodontics

authors： Spyropoulos MN,Tsolakis AI,Katsavrias E,Alexandridis K

更新日期：1997-04-01 00:00:00

abstract：:The purpose of this study was to demonstrate the advantage of the finite helical axis (FHA) system in the biomechanical analysis of orthodontic tooth movement by comparing it with the rectangular coordinate (XYZ) system. Ten patients (6 females and 4 males, mean age 23 years 7 months) were selected. Maxillary canine r...

journal_title：European journal of orthodontics

authors： Hayashi K,Uechi J,Lee SP,Mizoguchi I

更新日期：2007-12-01 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：:The objective of this research was to investigate the effect of applying a sustained seating force during bonding on the adhesive layer and on shear bond strength (SBS) of orthodontic brackets. Forty human premolars divided into two groups were included in the study. Stainless steel brackets were bonded to the premola...

journal_title：European journal of orthodontics

authors： Montasser MA

更新日期：2011-08-01 00:00:00

abstract：:The purpose of this work was to examine whether the clinical eruption of the permanent first molars and incisors is affected by pre-term birth. The data applied to 328 prematurely born white and black children and 1804 control children who participated in the Collaborative Perinatal Project (USA) in the early 1960s an...

journal_title：European journal of orthodontics

authors： Harila-Kaera V,Heikkinen T,Alvesalo L

更新日期：2003-06-01 00:00:00