Cranio-facial morphology in children with and without enlarged tonsils.

abstract：:The effects of the van Beek activator in the correction of Class II, division 1 malocclusions were studied in 39 children, aged 9-13 years (median 11 years), and compared with the effects of treatment with an activator according to Herren and with those of an activator-headgear combination. Profile cephalograms were m...

journal_title：European journal of orthodontics

authors： Altenburger E,Ingervall B

更新日期：1998-08-01 00:00:00

abstract：:A clinical trial was undertaken to assess the value of incorporating fluoride released from a commercially available bonding adhesive (Rely-a-Bond) to determine the extent of any protection provided against enamel decalcification. Fifty patients undergoing fixed appliance therapy were included in the trial. Contralate...

journal_title：European journal of orthodontics

authors： Banks PA,Burn A,O'Brien K

更新日期：1997-08-01 00:00:00

abstract：:The aim of this retrospective study was to examine the dental changes which occurred during buccal segment retraction in 39 subjects considered suitable for treatment with headgear to the maxillary dentition. Initially, a removable en masse appliance was fitted to distalize the buccal segments. Once the molar relation...

journal_title：European journal of orthodontics

authors： Battagel JM,Ryan A

更新日期：1998-02-01 00:00:00

abstract：:The effects of an extra chromosome on tooth size were investigated and compared to male and female controls, respectively. Mesiodistal dimensions in men with Klinefelter's syndrome were generally found to be decreased when compared to the male controls. A more pronounced inhibitory effect of an extra X chromosome was ...

journal_title：European journal of orthodontics

authors： Sćepan I,Babić M,Glisić B

更新日期：1993-06-01 00:00:00

abstract：:The viscoelastic behaviour of prototype composite orthodontic archwires was evaluated using a bend stress relaxation test. Archwires having 10 different volume fractions of reinforcement were subjected to constant bending radii in a water bath at 37 degrees C for time periods of up to 90 days. The wires were subsequen...

journal_title：European journal of orthodontics

authors： Zufall SW,Kusy RP

更新日期：2000-02-01 00:00:00

abstract：:The aim of this study was to investigate the in vivo bonding of orthodontic brackets using two resin-modified glass poly(alkenoate) cements and to compare them with a conventional light-cured diacrylate bonding agent. Twenty consecutive patients attending for bond up appointments took part in this randomized cross-mou...

journal_title：European journal of orthodontics

authors： Choo SC,Ireland AJ,Sherriff M

更新日期：2001-08-01 00:00:00

abstract：:The aims of this study were to provide a description of the craniofacial morphology of Singaporean Chinese children and to compare gender differences. Lateral cephalometric radiographs were obtained of 81 Singaporean Chinese children (31 boys and 50 girls; mean age 12.7 and 12.5 years, respectively, standard deviation...

journal_title：European journal of orthodontics

authors： Yeong P,Huggare J

更新日期：2004-12-01 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：:Mechanical stress induces human periodontal ligament (PDL) cells to express an osteoblastic phenotype in vitro. Core binding factor a1 (CBFA1) is a key regulator of osteoblast differentiation. This study was designed to investigate the role of CBFA1 in alveolar bone remodelling, specifically the expression of CBFA1 me...

journal_title：European journal of orthodontics

authors： Yang Y,Yang Y,Li X,Cui L,Fu M,Rabie AB,Zhang D

更新日期：2010-12-01 00:00:00

abstract：:The aims of the study were to analyse the records of 26 subjects (18 females, eight males) with maxillary canine-first premolar transposition (Mx.C.P1) together with 160 subjects with a palatally displaced canine (PDC) to determine the pattern of tooth agenesis in these cases and to compare them with similar samples r...

journal_title：European journal of orthodontics

authors： Camilleri S

更新日期：2005-10-01 00:00:00

abstract：:Orthodontic treatment is mainly dependent on the loads developed by metal wires. The load developed by a buckled orthodontic wire is of great concern for molar distalization and cannot be simply derived from mechanical properties measured through classical tests (i.e. tensile, torsion, and bending). A novel testing me...

journal_title：European journal of orthodontics

authors： De Santis R,Dolci F,Laino A,Martina R,Ambrosio L,Nicolais L

更新日期：2008-04-01 00:00:00

abstract：:This retrospective study examined the occurrence of congenitally missing permanent teeth and the need for dental treatment in the Regensburg University Medical Centre of Eastern Bavaria. Using a dental administration software tool, a total of 1442 patients who presented for orthodontic treatment between 1994 and 2006 ...

journal_title：European journal of orthodontics

authors： Behr M,Proff P,Leitzmann M,Pretzel M,Handel G,Schmalz G,Driemel O,Reichert TE,Koller M

更新日期：2011-02-01 00:00:00

abstract：:Laser scanning can be used to visualize the face in three dimensions. These scans can then be processed to enable assessment of facial changes. The aim of this single-centre, prospective, longitudinal, cohort study was to investigate whether four different visualization methods correctly represented facial changes occ...

journal_title：European journal of orthodontics

authors： Miller L,Morris DO,Berry E

更新日期：2007-02-01 00:00:00

abstract：:The aim of this in vitro study was to compare the shear bond strength (SBS) and failure modes of a conventional resin-based composite with a recently developed amorphous calcium phosphate (ACP)-containing orthodontic composite system. Forty freshly extracted human maxillary premolar teeth were randomly divided into tw...

journal_title：European journal of orthodontics

authors： Uysal T,Ustdal A,Nur M,Catalbas B

更新日期：2010-06-01 00:00:00

abstract：:The physiology of masseter muscles is known to change in response to functional demands, but the effect on the satellite cell (SC) population is not known. In this study, the hypothesis is tested that a decreased functional demand of the masseter muscle causes a reduction of SCs. To this end, twelve 5-week-old male Sp...

journal_title：European journal of orthodontics

authors： Kuijpers MA,Grefte S,Bronkhorst EM,Carels CE,Kiliaridis S,Von den Hoff JW

更新日期：2014-06-01 00:00:00

abstract：:It has been suggested that subjects with increased vertical craniofacial dimensions have relatively oblique orientated jaw muscles with a reduced possibility to restrain the vertical component of craniofacial growth. To test this hypothesis, relationships were investigated between the spatial orientation of the jaw mu...

journal_title：European journal of orthodontics

authors： van Spronsen PH,Koolstra JH,van Ginkel FC,Weijs WA,Valk J,Prahl-Andersen B

更新日期：1997-06-01 00:00:00

abstract：:Orthodontic torque expression is the result of axial rotation of rectangular archwires within a rectangular bracket slot. This study investigates the effect of bracket material on torque expression. Torque exerted by a rotating archwire on each bracket will be measured as well as the relative deformation of each brack...

journal_title：European journal of orthodontics

authors： Melenka GW,Lacoursiere RA,Carey JP,Nobes DS,Heo G,Major PW

更新日期：2014-08-01 00:00:00

abstract：:This study aimed to examine the skeletal, dental, and soft tissue effects of the implant-supported pendulum (ISP) and the zygoma anchorage system (ZAS) used for the distalization of maxillary posterior teeth. Among 30 patients showing Angle class II malocclusion, 15 patients with a mean age of 14.3±1.6 years and treat...

journal_title：European journal of orthodontics

authors： Kaya B,Sar C,Arman-Özçirpici A,Polat-Özsoy O

更新日期：2013-08-01 00:00:00

abstract：Aim:The aim of this study was to describe hard and soft tissue changes after mandibular advancement surgery and to investigate the possible differences between Class II facial patterns. Materials and methods:Lateral cephalograms of 109 patients who underwent combined orthodontic treatment and bilateral sagittal split ...

journal_title：European journal of orthodontics

authors： Storms AS,Miclotte A,Grosjean L,Cadenas de Llano-Pérula M,Alqerban A,Fieuws S,Sun Y,Politis C,Verdonck A,Willems G

更新日期：2017-10-01 00:00:00

abstract：OBJECTIVES:Mechanobiology phenomena constitute a major element of the cellular and tissue response during orthodontic treatment and the implantation of a biomaterial. Better understanding these phenomena will improve the effectiveness of our treatments. The objective of this work is to validate a model of three-dimensi...

journal_title：European journal of orthodontics

authors： Brezulier D,Pellen-Mussi P,Tricot-Doleux S,Novella A,Sorel O,Jeanne S

更新日期：2020-09-11 00:00:00

abstract：:Soft tissue stretching has been proposed as one of the control factors in craniofacial morphogenesis. However, its mechanism remains unclear. The present study investigated electromyographic (EMG) activity and muscle fibre composition of cervical muscles following prolonged head extension in growing rats. Thirty-six m...

journal_title：European journal of orthodontics

authors： Gu GM,Yoshida R,Liu ZJ,Hirose T,Ito G

更新日期：2003-02-01 00:00:00

abstract：:The aetiology of palatal canine impaction is unclear. The aim of this research was to investigate the occlusal features that could contribute to the aetiology of palatal maxillary canine impaction. The material consisted of the pre-treatment dental casts of 34 patients (27 female and seven male) with unilateral palata...

journal_title：European journal of orthodontics

authors： Al-Nimri K,Gharaibeh T

更新日期：2005-10-01 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：: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：:Tensile bond strength and bond failure location were evaluated in vitro for two types of aesthetic brackets (non-silanated ceramic, polycarbonate) and one stainless steel bracket, using bovine teeth as the substrate and diacrylate resin as the adhesive. The results show that metallic bracket had the highest bond stren...

journal_title：European journal of orthodontics

authors： Fernandez L,Canut JA

更新日期：1999-02-01 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 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：Objectives:To assess the potential effects of casein phosphopeptides (CPPs) on orthodontically induced iatrogenic root resorption (OIIRR) and orthodontic teeth movement. Materials and methods:Forty Wistar rats (aged 11 weeks) were randomly divided into experimental group (EG; n = 20) that received a diet supplemented ...

journal_title：European journal of orthodontics

authors： Crowther L,Shen G,Almuzian M,Jones A,Walsh W,Oliver R,Petocz P,Tarraf NE,Darendeliler MA

更新日期：2017-10-01 00:00:00

abstract：BACKGROUND:Cervical headgear (CH) is a commonly used orthodontic appliance and its dentoalveolar changes are known. However, the effects related to gender and timing have gained less attention. OBJECTIVES:To examine dimensions of dental arches among children with Class II occlusion without posterior mandibular rotatio...

journal_title：European journal of orthodontics

authors： Julku J,Hannula M,Pirilä-Parkkinen K,Tolvanen M,Pirttiniemi P

更新日期：2019-11-15 00:00:00

abstract：:It is well known that mastication has a significant influence on mandibular growth and development, but the mechanism behind this effect has not yet been clarified. Furthermore, no studies have examined the effects of changes in mastication on the three-dimensional (3D) morphometry of the mandible. The aim of the pres...

journal_title：European journal of orthodontics

authors： Enomoto A,Watahiki J,Yamaguchi T,Irie T,Tachikawa T,Maki K

更新日期：2010-02-01 00:00:00