Abstract：
:Pre-treatment, end of treatment, and post-retention study models of 30 subjects with a Class II division 2 malocclusion were assessed, after a period of at least 3 years, in order to evaluate the long-term changes in occlusion, alignment, and arch dimensions. Molar relationship correction was found to be stable after retention. There were no variables which could be used to establish a prognosis of vertical stability. Over-correction of overbite was seen to relapse. Ten per cent of the cases showed unacceptable anterior maxillary irregularities after retention. Mandibular arch width and length usually showed a decrease after retention. An increase in lower intercanine width and arch length achieved by orthodontic treatment always relapsed. This relapse was associated with post-retention mandibular irregularity and crowding. Nine cases (30 per cent) showed an unacceptable degree of mandibular irregularity after retention. Pre-treatment crowding in the mandible showed a relationship with post-retention lower irregularity and crowding. There was a correlation between the number of years which had elapsed after retention, overbite relapse and post-retention mandibular irregularity.
journal_name
Eur J Orthodjournal_title
European journal of orthodonticsauthors
Canut JA,Arias Sdoi
10.1093/ejo/21.4.377keywords:
subject
Has Abstractpub_date
1999-08-01 00:00:00pages
377-86issue
4eissn
0141-5387issn
1460-2210journal_volume
21pub_type
杂志文章abstract：BACKGROUND:The Scandcleft trial is a randomized controlled trial that includes children with unilateral cleft lip and palate where registrations are standardized and therefore provides the opportunity to describe craniofacial characteristics in a very large sample of patients. OBJECTIVES:The aim of this study was to d...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/cjaa060
更新日期：2020-12-24 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
pub_type： 杂志文章
doi：10.1093/ejo/cjr120
更新日期：2014-08-01 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：: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
pub_type： 杂志文章
doi：10.1093/ejo/22.2.169
更新日期：2000-04-01 00:00:00
abstract：:The purpose of this study was to assess the influence of two light units, a quartz-tungsten-halogen (QTH) and a light-emitting diode (LED), on the hardness and degree of conversion of an orthodontic composite resin. Sixty specimen disks were prepared from Transbond XT composite resin (3M Unitek) and light cured for 10...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/cjp048
更新日期：2010-02-01 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
pub_type： 杂志文章
doi：10.1093/ejo/17.5.375
更新日期：1995-10-01 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
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doi：10.1093/ejo/26.2.171
更新日期：2004-04-01 00:00:00
abstract：:SummaryFine orthodontic treatment results are fine. Fine stable results are finer. But when is stability achieved? Many studies show that the decline from optimal alignment and occlusion is most rapid immediately after appliance removal and slows down after some three to five years. For stabilization, we need some for...
journal_title：European journal of orthodontics
pub_type： 评论,杂志文章
doi：10.1093/ejo/cju069
更新日期：2015-08-01 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
pub_type： 杂志文章
doi：10.1093/ejo/cjr035
更新日期：2012-08-01 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
pub_type： 杂志文章
doi：10.1093/ejo/18.6.557
更新日期：1996-12-01 00:00:00
abstract：:This study aimed to gather statistically validated information on the changes in orthodontic variables in patients with bilateral upper lateral incisor aplasia treated with isolated orthodontic space closure. Data were collected from 25 (15 females, 10 males) consecutively treated, unselected adolescents [mean age at ...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/cjn100
更新日期：2009-06-01 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
pub_type： 杂志文章
doi：10.1093/ejo/cjm082
更新日期：2008-02-01 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：: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
pub_type： 杂志文章
doi：10.1093/ejo/cjp018
更新日期：2009-08-01 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
pub_type： 杂志文章
doi：10.1093/ejo/20.1.5
更新日期：1998-02-01 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
pub_type： 杂志文章
doi：10.1093/ejo/cjs044
更新日期：2014-06-01 00:00:00
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journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/17.2.121
更新日期：1995-04-01 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
pub_type： 杂志文章,随机对照试验
doi：10.1093/ejo/cjz068
更新日期：2020-11-03 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
pub_type： 临床试验,杂志文章,随机对照试验
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更新日期：1997-08-01 00:00:00
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journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/16.3.203
更新日期：1994-06-01 00:00:00
abstract：:This retrospective, cephalometric study was undertaken in an attempt to identify the aetiological features which may be associated with a Class III malocclusion in the growing child. Four-hundred-and-ninety-five lateral cephalometric radiographs (210 control and 285 Class III films) formed the basis of the study. All ...
journal_title：European journal of orthodontics
pub_type： 杂志文章
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更新日期：1993-10-01 00:00:00
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journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/19.5.543
更新日期：1997-10-01 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
pub_type： 杂志文章
doi：10.1093/ejo/cjr008
更新日期：2012-06-01 00:00:00
abstract：:The craniofacial features of 49 Japanese and 75 British Caucasian girls with Class II division 1 malocclusions were evaluated from lateral cephalometric radiographs, and the morphological differences between both races were examined. The subjects' ages ranged from 11 years 1 month to 12 years 11 months. The mean value...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/24.1.61
更新日期：2002-02-01 00:00:00
abstract：:In 138 successfully treated Class II division 1 patients (40 Activator and 98 Herbst) effective temporomandibular joint (TMJ) growth changes (a summation of condylar remodelling, glenoid fossa remodelling, and condylar position changes within the fossa), and their influence on the position of the chin and the rotation...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/24.6.627
更新日期：2002-12-01 00:00:00
abstract：:The purpose of this study was to investigate the effects of rapid maxillary expansion (RME) and semi-rapid maxillary expansion (SRME) in the mixed dentition period. The SRME group consisted of 18 patients (11 girls and 7 boys) with a mean age of 8.63 +/- 1.09 years and the RME group 17 patients (11 girls and 6 boys) w...
journal_title：European journal of orthodontics
pub_type： 杂志文章,随机对照试验
doi：10.1093/ejo/cjp057
更新日期：2010-02-01 00:00:00
abstract：OBJECTIVES:The aim of this study was to evaluate the effects of premaxillary advancement with distraction osteogenesis (DO) on the skeletal, dental, and soft tissues. MATERIALS AND METHODS:A total of 21 cases with Angle class I molar relationship and negative overjet or edge-to-edge incisor relationship were included....
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/cjt056
更新日期：2014-06-01 00:00:00
abstract：:An analysis of the facial soft tissues is presented which permits aesthetic considerations of facial harmony and balance to be measured, and assessed quantitatively. The assessment is carried out in a practical and straight-forward manner, avoiding the measurement of angles. The visually determined Aesthetic Horizonta...
journal_title：European journal of orthodontics
pub_type： 杂志文章
doi：10.1093/ejo/13.5.343
更新日期：1991-10-01 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
pub_type： 杂志文章
doi：10.1093/ejo/cjaa012
更新日期：2020-02-29 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
