An in vitro investigation of the influence of self-ligating brackets, low friction ligatures, and archwire on frictional resistance.

abstract：:This prospective study investigated the skeletal, dental, and soft-tissue effects of a mini maxillary protractor appliance in class III subjects with maxillary retrusion and mandibular protrusion and compared these changes with those of untreated, well matched control sample with normal occlusions. Twenty patients wit...

journal_title：European journal of orthodontics

authors： Celikoglu M,Oktay H

更新日期：2014-02-01 00:00:00

abstract：BACKGROUND:Hyaluronic acid (HA) is a major molecular component of the articular cartilage of the temporomandibular joint (TMJ) influencing joint lubrication. Functional lateral shift of the mandible (FLSM) can lead to malocclusion. This study investigated the effects of FLSM on HA metabolism and lubrication of the TMJ ...

journal_title：European journal of orthodontics

authors： Guo X,Watari I,Ikeda Y,Yang W,Ono T

更新日期：2020-02-29 00:00:00

abstract：:The purpose of the present study was to evaluate the accuracy and reliability of airway volume digital measurements of cone-beam computed tomography (CBCT) compared with the manual measurements of an airway model. An acrylic airway model was constructed and attached to a human dry skull in the natural position of the ...

journal_title：European journal of orthodontics

authors： Ghoneima A,Kula K

更新日期：2013-04-01 00:00:00

abstract：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. Objectiv...

journal_title：European journal of orthodontics

authors： Samandara A,Papageorgiou SN,Ioannidou-Marathiotou I,Kavvadia-Tsatala S,Papadopoulos MA

更新日期：2019-01-23 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：:The purpose of this study was to determine whether quantitative light-induced fluorescence (QLF) could detect very early demineralization and remineralization longitudinally adjacent to orthodontic components in an in vitro model. Extracted human premolars (n = 13) were sectioned sagittally to produce two equal halves...

journal_title：European journal of orthodontics

authors： Pretty IA,Pender N,Edgar WM,Higham SM

更新日期：2003-06-01 00:00:00

abstract：OBJECTIVES:Loosening and loss rates of monocortical mini-implants are relatively high, therefore the following null hypothesis was tested: 'The local bone stress in mono and bicortically-anchored mini-implants is identical'. MATERIAL AND METHODS:Anisotropic Finite Element Method (FEM) models of the mandibular bone, in...

journal_title：European journal of orthodontics

authors： Holberg C,Winterhalder P,Rudzki-Janson I,Wichelhaus A

更新日期：2014-10-01 00:00:00

abstract：Objective:To evaluate the transverse relationships of the first permanent molars after the correction of posterior crossbite performed during the deciduous dentition with two different treatment protocols. Materials/methods:Ninety patients (40 males and 50 females) with posterior crossbite were treated during the deci...

journal_title：European journal of orthodontics

authors： Masucci C,Cipriani L,Defraia E,Franchi L

更新日期：2017-10-01 00:00:00

abstract：:The purpose of this study was to perform a meta-analysis of articles to verify the mandibular changes produced by the Fränkel-2 (FR-2) appliance during the treatment of growing patients with Class II malocclusions when compared with untreated growing Class II subjects. The literature published from January 1966 to Jan...

journal_title：European journal of orthodontics

authors： Perillo L,Cannavale R,Ferro F,Franchi L,Masucci C,Chiodini P,Baccetti T

更新日期：2011-02-01 00:00:00

abstract：:The objective of the present study was to evaluate the cytotoxicity and degree of monomer conversion of resin-reinforced glass ionomer cements (RGIC) over different time periods. Four RGICs: Fuji Ortho LC (FOLC), Fuji Ortho Band (FOB), Orthoglass (OGL), and Multicure Glass Ionomer (MCI) were evaluated for cytotoxicity...

journal_title：European journal of orthodontics

authors： dos Santos RL,Pithon MM,Martins FO,Romanos MT,Ruellas AC

更新日期：2012-06-01 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：: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：OBJECTIVES:To investigate mandibular morphology in adults affected by posterior unilateral crossbite (PUXB) and to evaluate the hemi mandibular volumes from the crossbite (CB) and non-CB sides of the same patients. METHODS:Thirty-eight cone beam computed tomography (CBCT) images were consecutively recruited and the Di...

journal_title：European journal of orthodontics

authors： Leonardi R,Muraglie S,Lo Giudice A,Aboulazm KS,Nucera R

更新日期：2020-01-29 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：:The location of the centre of resistance (CR) of various consolidated units of maxillary anterior teeth was determined in this study using human autopsy material. The units studied consisted of two central incisors, four incisors, and six anterior teeth. When horizontal forces were applied the CR for the two- and six-...

journal_title：European journal of orthodontics

authors： Pedersen E,Isidor F,Gjessing P,Andersen K

更新日期：1991-12-01 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：OBJECTIVE:To compare treatment duration between 0.018-inch and 0.022-inch slot systems and determine factors influencing treatment duration. SUBJECTS AND METHODS:Eligible participants aged 12 years or over were allocated to the 0.018-inch or 0.022-inch slot MBT appliance (3M-Unitek, Monrovia, California, USA) using bl...

journal_title：European journal of orthodontics

authors： Yassir YA,El-Angbawi AM,McIntyre GT,Revie GF,Bearn DR

更新日期：2019-03-29 00:00:00

abstract：:A new appliance with samarium cobalt magnets embedded in unilateral blocks of acrylic is described, as a way of stimulating an autogenous costochondral graft, in a case with hemifacial microsomia. Laser scan images are used to illustrate a reversion towards facial soft tissue symmetry, over a 3-year period of treatmen...

journal_title：European journal of orthodontics

authors： Chate RA

更新日期：1995-08-01 00:00:00

abstract：:This clinical study investigated the practical value of two methods for debonding brackets attached by the adhesive Concise to acid-etched enamel surfaces. Forty-two Ultratrimm Standard metal brackets and 42 Fascination ceramic brackets were collected from juvenile patients undergoing orthodontic treatment. All metal ...

journal_title：European journal of orthodontics

authors： Stratmann U,Schaarschmidt K,Wegener H,Ehmer U

更新日期：1996-12-01 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 aim of this study was to assess the prevalence of malocclusion and its association with socio-demographic characteristics, caries experience, and level of oral hygiene in 12- to 14-year-old schoolchildren residing in two socio-economically different districts of Tanzania. A total of 1601 children (mean age 13 year...

journal_title：European journal of orthodontics

authors： Mtaya M,Brudvik P,Astrøm AN

更新日期：2009-10-01 00:00:00

abstract：OBJECTIVES:Mastication is an essential function that prepares the food for swallowing and digestion and may be related to nutritional status. Thus, the aims of this study were to evaluate the masticatory parameters in overweight and obese children and the relation between bite force and anthropometric evaluation, food ...

journal_title：European journal of orthodontics

authors： Araujo DS,Marquezin MC,Barbosa Tde S,Gavião MB,Castelo PM

更新日期：2016-08-01 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：: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：OBJECTIVES:This study compared the stability of tapered miniscrews with cylindrical miniscrews. MATERIALS/METHODS:One hundred and five tapered and 122 cylindrical self-drilling miniscrews were placed into the maxillary and mandibular buccal alveolar areas of 132 patients (43 males and 89 females). The insertion torque...

journal_title：European journal of orthodontics

authors： Yoo SH,Park YC,Hwang CJ,Kim JY,Choi EH,Cha JY

更新日期：2014-10-01 00:00:00

abstract：:The aim of the present study was to establish whether the early signs of various orofacial dysfunctions, malocclusions, or occlusal interferences can predict the development of temporomandibular dysfunction (TMD) in young adults. Forty-eight subjects referred for speech therapy and 49 controls participated in all four...

journal_title：European journal of orthodontics

authors： Pahkala R,Qvarnström M

更新日期：2004-08-01 00:00:00

abstract：:A number of investigations have looked at psychological changes occurring in association with orthognathic treatment. However, most of these studies have used a pre-surgery questionnaire as the baseline measurement. There is little data relating to the true baseline, i.e. that prior to any active treatment. Until this...

journal_title：European journal of orthodontics

authors： Cunningham SJ,Gilthorpe MS,Hunt NP

更新日期：2001-12-01 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：:Cervical column morphology was examined in 41 adult patients with a skeletal deep bite, 23 females aged 22-42 years (mean 27.9) and 18 males aged 21-44 years (mean 30.8) and compared with the cervical column morphology in an adult control group consisting of 21 subjects, 15 females, aged 23-40 years (mean 29.2 years) ...

journal_title：European journal of orthodontics

authors： Sonnesen L,Kjaer I

更新日期：2007-10-01 00:00:00

abstract：OBJECTIVES:During orthodontic arch expansion, the teeth are displaced against the perioral soft tissues. This can affect the equilibrium of forces that are thought to act on teeth, with consequent implications for long-term stability. The aim of this study was to investigate the effect of incremental lower lip advancem...

journal_title：European journal of orthodontics

authors： Jack HC,Kieser J,Antoun JS,Farella M

更新日期：2014-12-01 00:00:00