The aetiological factors in Class III malocclusion.

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：: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：OBJECTIVE:This prospective randomized clinical trial investigated the impact of different tooth brushing strategies and sealant application on patients with fixed appliances: plaque, gingival, caries index scores, periodontal parameters, microbial, and molecular biological parameters were assessed. MATERIALS AND METHO...

journal_title：European journal of orthodontics

authors： Zingler S,Pritsch M,Wrede DJ,Ludwig B,Bister D,Kneist S,Lux CJ

更新日期：2014-04-01 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：:The aims of this study were to evaluate the frequency of errors in panoramic radiographs in young orthodontic patients, to register pathologic and abnormal conditions, and to compare these findings with the patient's record. A total of 1287 panoramic radiographs of children and adolescents (530 boys and 757 girls; mea...

journal_title：European journal of orthodontics

authors： Granlund CM,Lith A,Molander B,Gröndahl K,Hansen K,Ekestubbe A

更新日期：2012-08-01 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 aim of this study was to evaluate oral sensory perception in patients with an anterior open bite (AOB) and associated tongue thrusting activity. This study was performed in the Department of Orthodontics, Government Dental Hospital, Chennai, on 30 subjects (16 females and 14 males) aged from 12 to 17 years with an...

journal_title：European journal of orthodontics

authors： Premkumar S,Avathvadi Venkatesan S,Rangachari S

更新日期：2011-04-01 00:00:00

abstract：:Although there are numerous publications on bilateral non-compliance molar distalization appliances, there is limited information on problems such as asymmetrical unilateral Class II malocclusions. The aim of the present investigation was to examine the distalization of molars unilaterally in patients with a unilatera...

journal_title：European journal of orthodontics

authors： Sayinsu K,Isik F,Allaf F,Arun T

更新日期：2006-08-01 00:00:00

abstract：:The purpose of this investigation was to assess the vertical changes occurring in skeletal open bite patients treated orthodontically with different extraction patterns. The study was conducted using lateral cephalometric radiographs taken before and after treatment. Fifteen patients who had an anterior open bite (AOB...

journal_title：European journal of orthodontics

authors： Aras A

更新日期：2002-08-01 00:00:00

abstract：:Many more adults are undergoing orthodontic therapy than in the past. Since adult dentitions often exhibit diminished alveolar support, it is important to recognize the related apical migration of the dental centre of resistance when applying force systems to the teeth. The force system compensations necessary to prod...

journal_title：European journal of orthodontics

authors： Braun S,Winzler J,Johnson BE

更新日期：1993-02-01 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 aim of this study was to test the hypothesis that there is no difference in salivary metal ion content between subjects with fixed orthodontic appliances and their same-gender sister or brother without any orthodontic appliance. This retrospective study was carried out on 28 subjects (16 females and 12 males) who ...

journal_title：European journal of orthodontics

authors： Amini F,Jafari A,Amini P,Sepasi S

更新日期：2012-02-01 00:00:00

abstract：:It is well known that elastomers exhibit viscoelasticity and as such have their mechanical properties modified by temperature. Nickel titanium archwires are also affected by temperature and have been modified with specific temperature related properties for clinical use. What is less well known is the effect that othe...

journal_title：European journal of orthodontics

authors： Nattrass C,Ireland AJ,Sherriff M

更新日期：1998-04-01 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：: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：: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：:Unilateral tip-back mechanics are challenging because of a number of undesirable side-effects associated with their use during orthodontic treatment. The purpose of this paper is to review the differential diagnosis and treatment planning of Class II subdivision malocclusions and present a treatment strategy based on ...

journal_title：European journal of orthodontics

authors： Shroff B,Lindauer SJ,Burstone CJ

更新日期：1997-02-01 00:00:00

abstract：OBJECTIVE:To compare orthodontically induced inflammatory root resorption (OIIRR) and patient perception of pain during orthodontic treatment between 0.018-inch and 0.022-inch slot bracket systems. SUBJECTS AND METHODS:Eligible participants aged 12 years or above were allocated to treatment with the 0.018-inch or 0.02...

journal_title：European journal of orthodontics

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

更新日期：2019-03-29 00:00:00

abstract：:The aim of this laboratory-based study was to investigate the effects of different combinations of tip and torque upon friction between an orthodontic bracket and archwire using a specially made jig. Victory Twin Series upper premolar brackets (3M Unitek) were mounted on a jig, which allowed tip and torque values in t...

journal_title：European journal of orthodontics

authors： Hamdan A,Rock P

更新日期：2008-10-01 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：: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：Background:Orthodontic diagnostic standards generally use the cranial base as a reference and rely on samples selected by orthodontists. Objective:The purpose of this study was to provide male and female standards for a novel non-radiographic approach for orthodontic diagnosis that utilizes 3D dentofacial photogrammet...

journal_title：European journal of orthodontics

authors： Masoud MI,Bansal N,C Castillo J,Manosudprasit A,Allareddy V,Haghi A,Hawkins HC,Otárola-Castillo E

更新日期：2017-04-01 00:00:00

abstract：:The aim of this investigation was to compare the traditional method of manual cephalometric tracing with four different computerized tracing programs, where the lateral cephalograms were scanned at 300 dpi and digitized onscreen. Thirty randomly selected cephalometric radiographs were used in this study. Four programs...

journal_title：European journal of orthodontics

authors： Erkan M,Gurel HG,Nur M,Demirel B

更新日期：2012-06-01 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：: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：: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 purpose of this study was to investigate cephalometrically, the effects of a functional appliance-headgear combination, the Elastic Bite-block (EBB). Of 50 Class II division 1 subjects who participated in this study, 30 made up the treatment group and 20 the control group. All of the selected cases exhibited mandi...

journal_title：European journal of orthodontics

authors： Erverdi N,Ozkan G

更新日期：1995-10-01 00:00:00

abstract：OBJECTIVES:The objective of the study was to evaluate the impact of temporomandibular joint (TMJ) arthritis on the functional disability and quality of life in patients affected by juvenile idiopathic arthritis (JIA). MATERIALS AND METHODS:Sixty-two consecutive patients with JIA with or without TMJ arthritis and 35 he...

journal_title：European journal of orthodontics

authors： Isola G,Perillo L,Migliorati M,Matarese M,Dalessandri D,Grassia V,Alibrandi A,Matarese G

更新日期：2019-03-29 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：: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