Abstract:
:The purpose of this study was to qualitatively and quantitatively assess the nickel, chromium, and ferrous levels in a population of 17 orthodontic patients undergoing treatment, compared with seven untreated individuals, employing a novel methodological approach and a new analytical technique. Salivary samples obtained from patients before and after rinsing with double distilled water were processed for Inductively Coupled Plasma-Atomic Emission Spectroscopy (ICP-AES) for simultaneous estimation of the concentration of the metallic elements. No statistically significant difference was detected between control and patient groups with respect to salivary metal content, regardless of element. The range of salivary metal levels found did not exceed those of daily intake through food and air. The lack of a continuous monitoring scheme for salivary metal concentrations in real time may impose substantial obstacles to defining the release rate of metals in vivo. The results of this study emphasize the necessity of incorporating the dimension of time in assessing the release potential of orthodontic alloys.
journal_name
Eur J Orthodjournal_title
European journal of orthodonticsauthors
Eliades T,Trapalis C,Eliades G,Katsavrias Edoi
10.1093/ejo/25.1.103keywords:
subject
Has Abstractpub_date
2003-02-01 00:00:00pages
103-6issue
1eissn
0141-5387issn
1460-2210journal_volume
25pub_type
杂志文章abstract:Background/objective:The aim of this study was to evaluate the efficacy of tooth alignment with conventional and self-ligating labial and lingual orthodontic bracket systems. Materials/methods:We tested labial brackets (0.022″ slot size) and lingual brackets (0.018″ slot size). The labial brackets were: (i) regular tw...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjy005
更新日期:2018-11-30 00:00:00
abstract::The purpose of this study was to determine whether an additional application of Fluor Protector before band cementation with glass ionomer cement reduces white spot formation compared with band cementation with glass ionomer cement. In the in vitro study, 80 premolars were divided in half, creating a control and a tes...
journal_title:European journal of orthodontics
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1093/ejo/20.3.219
更新日期:1998-06-01 00:00:00
abstract::The purpose of this study was to evaluate the Denture Frame Analysis. This adjunctive cephalometric analysis of the lateral headfilm was introduced in Japan, but no data exist for the Caucasian population at present. One-hundred-and-six Caucasians were randomly selected and assigned to one of four groups, according to...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/20.5.579
更新日期:1998-10-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjw085
更新日期:2017-10-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjm007
更新日期:2007-08-01 00:00:00
abstract::The aim of this study was to explore the complexities in constructing league tables purporting to measure orthodontic clinical outcomes. Eighteen orthodontists were invited to participate in a cost-effectiveness study. Each orthodontist was asked to provide information on 100 consecutively treated patients. The Index ...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjn036
更新日期:2008-12-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cju103
更新日期:2015-12-01 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
pub_type: 杂志文章,评审
doi:10.1093/ejo/cjr140
更新日期:2013-02-01 00:00:00
abstract:BACKGROUND:This study aimed to assess the reporting of the methodological quality of search strategies undertaken in orthodontic quantitative systematic reviews (SRs) and hence their reproducibility. MATERIALS AND METHODS:A search of a single electronic database (Medline via PubMed) was undertaken to identify interven...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjaa078
更新日期:2020-12-26 00:00:00
abstract::This ex vivo study compared the static and kinetic frictional resistance of eight different archwires tested in a single, stainless steel, zero base 0.022 x 0.028 inch (0.56 x 0.711 mm) slot standard edgewise bracket. The archwires evaluated were 0.019 x 0.025 inch (0.483 x 0.636 mm) in dimension, manufactured from th...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/26.1.105
更新日期:2004-02-01 00:00:00
abstract::The aim of this study was to identify the craniofacial characteristics of 16 osteogenesis imperfecta (OI) patients, 10 males and 6 females, aged 7-15 years. The control group comprised 863 Chinese children from 6 to 18 years of age. Eleven cephalometric reference points and 25 variables were measured on the lateral ce...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjl035
更新日期:2007-06-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cji030
更新日期:2005-12-01 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
pub_type: 杂志文章
doi:10.1093/ejo/20.1.5
更新日期:1998-02-01 00:00:00
abstract:BACKGROUND AND OBJECTIVES:High-angle Class II malocclusion is considered challenging to treat to a stable result and, although studies report treatment outcome in terms of morphology, patient satisfaction has not been addressed. The objectives of the present study were to examine patients' motives for treatment and sat...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjaa038
更新日期:2020-06-20 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
pub_type: 杂志文章
doi:10.1093/ejo/16.2.130
更新日期:1994-04-01 00:00:00
abstract:Introduction:Orthodontic miniscrews are an increasingly popular choice to achieve absolute anchorage. The temporary use of miniscrews and their recent introduction have limited the debate over the biological aspect of the materials to that of the surface that permeates the field of dental implants. The aim of the prese...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjw069
更新日期:2017-10-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjp017
更新日期:2009-10-01 00:00:00
abstract:Objective:To assess the dental, skeletal, and profile changes after functional appliances and subsequent fixed appliances treatment in order to quantify their effect and evaluate the influence of initial incisal inclination and growth pattern. Materials and methods:A retrospective cephalometric analysis was performed ...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjw064
更新日期:2017-06-01 00:00:00
abstract::A prospective study of 23 consecutive adult Class II division 1 malocclusion subjects (19 female and 4 male) treated with the Herbst/multibracket (MB) appliance is presented. The skeletal, dental, and facial profile changes were evaluated in addition to the mechanism of Class II correction during the Herbst phase and ...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cji116
更新日期:2006-08-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjn125
更新日期:2009-10-01 00:00:00
abstract::Fifteen patients, eight males and seven females with a mean age of 13.32 years, were selected for unilateral molar distalization. Dentally, all presented with a unilateral Class II molar relationship. The subjects were all in the permanent dentition with second molars erupted and with a well aligned lower dental arch....
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/23.5.507
更新日期:2001-10-01 00:00:00
abstract:Objective:The aim of this in vitro study was to evaluate the progressive development of surface microdamage produced following the insertion of orthodontic miniscrews (OMs) into 1.5 mm thick porcine tibia bone using maximum insertion torque values of 12 Ncm, 18 Ncm, and 24 Ncm. Methods:Aarhus OMs (diameter 1.5 mm; len...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjx026
更新日期:2018-01-23 00:00:00
abstract::The aim was to analyse 27-year-olds' perceptions of their own dental arrangement and any orthodontic care they may have received as a child or adolescent. All of the individuals in a sample of young adults in Kronoberg County, Sweden, who had received orthodontic care during childhood or adolescence (n = 121) were sel...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/20.3.319
更新日期:1998-06-01 00:00:00
abstract:AIM:To assess the risk of bias (RoB) in a subset of randomized controlled trials (RCTs) published in orthodontic journals using the Cochrane RoB tool and to identify associations between domain RoB assessment and treatment effect estimates. MATERIALS AND METHODS:Fifty consecutive issues of four major orthodontic journ...
journal_title:European journal of orthodontics
pub_type: 杂志文章,评审
doi:10.1093/ejo/cjv049
更新日期:2016-06-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjn017
更新日期:2008-10-01 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
pub_type: 杂志文章
doi:10.1093/ejo/16.1.47
更新日期:1994-02-01 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
pub_type: 杂志文章
doi:10.1093/ejo/cjn124
更新日期:2009-04-01 00:00:00
abstract::Mandibular advancement splints (MASs) are used to advance the mandible forward in patients with sleep-disordered breathing. The conventional rigid MAS restricts the movement of the mandible, and this immobility sometimes produces discomfort, including temporomandibular disorders. A simple method for fabricating a mobi...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/cjp040
更新日期:2009-12-01 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
pub_type: 杂志文章
doi:10.1093/ejo/21.5.497
更新日期:1999-10-01 00:00:00
abstract::In order to study the prevalence of mandibular dysfunction in orthodontically treated prognathic patients after retention, 60 randomly selected patients were examined clinically. The functional status of the patients was evaluated using the anamnestic, clinical dysfunction index, and the index for occlusal status intr...
journal_title:European journal of orthodontics
pub_type: 杂志文章
doi:10.1093/ejo/13.2.124
更新日期:1991-04-01 00:00:00