Aetiological aspects of mandibular tooth agenesis--focusing on the role of nerve, oral mucosa, and supporting tissues.

abstract：:This in vitro study investigated the influence of using different combinations of bracket, adhesive, and light-curing source on the tensile bond strength to porcelain and on failure patterns at debonding. Tensile tests were performed using: one ceramic bracket versus one metal bracket, two orthodontic composites; type...

journal_title：European journal of orthodontics

authors： Al-Hity R,Gustin MP,Bridel N,Morgon L,Grosgogeat B

更新日期：2012-08-01 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：:Edgewise orthodontic treatment utilizes a force couple in order to achieve labial-lingual tooth angulation. Two self-ligating brackets (Damon Q and Speed) were examined across a range of clinically relevant torques in order to assess the loading and unloading curves and bracket deformation. A previously developed torq...

journal_title：European journal of orthodontics

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

更新日期：2013-12-01 00:00:00

abstract：:Cervical column morphology was examined in adult patients with obstructive sleep apnoea (OSA) and compared with the cervical morphology of an adult control group with neutral occlusion, normal craniofacial morphology, and no history of sleep apnoea. The sleep apnoea group consisted of 91 patients, 16 females aged 29-5...

journal_title：European journal of orthodontics

authors： Sonnesen L,Petri N,Kjaer I,Svanholt P

更新日期：2008-10-01 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：:The purpose of this ex vivo study was to compare the bond strengths and modes of failure of brackets bonded with three self-etching products [Adper Prompt L-Pop (3M Espe), Futurabond NR (Voco) and Transbond Plus (3M Unitek)] and a conventional 38 per cent phosphoric acid-etching system Etch-Rite (Pulpdent Corp.) at tw...

journal_title：European journal of orthodontics

authors： Başaran G,Ozer T,Devecioğlu Kama J

更新日期：2009-06-01 00:00:00

abstract：:The aim of this study was to compare standard plaster models with their digital counterparts for the applicability of the Index of Complexity, Outcome, and Need (ICON). Generated study models of 30 randomly selected patients: 30 pre- (T(0)) and 30 post- (T(1)) treatment. Two examiners, calibrated in the ICON, scored t...

journal_title：European journal of orthodontics

authors： Veenema AC,Katsaros C,Boxum SC,Bronkhorst EM,Kuijpers-Jagtman AM

更新日期：2009-06-01 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

authors： AlMubarak D,Pandis N,Cobourne MT,Seehra J

更新日期：2020-12-26 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

authors： Ophof R,Maltha JC,Kuijpers-Jagtman AM,Von den Hoff JW

更新日期：2008-02-01 00:00:00

abstract：:The aim of the present study was to develop an index specifically for the measurement of treatment complexity. Input factors were directly related to complexity, and the output was a score measuring the degree of treatment complexity. The sample comprised 120 sets of dental casts, 30 for each of the four main malocclu...

journal_title：European journal of orthodontics

authors： Llewellyn SK,Hamdan AM,Rock WP

更新日期：2007-04-01 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

authors： Tanoue N,Nagano K,Yanamoto S,Mizuno A

更新日期：2009-12-01 00:00:00

abstract：:The aim of this prospective study was to quantify the display of the dentition through the soft tissue frame during speech using videography for different age groups. Two hundred and sixty-one subjects were initially screened and were divided into five groups: group 1 (G1) (15-19 years), G2 (20-29 years), G3 (30-39 ye...

journal_title：European journal of orthodontics

authors： Jacobson A,Upadhyay M,Nanda R

更新日期：2013-10-01 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：:Fifty-two patients with malocclusions underwent orthodontic treatment in combination with orthognathic surgery involving a Le Fort I and/or sagittal split osteotomy. Approximately 5 years after surgery, the patients were examined for signs and symptoms of temporomandibular disorders (TMD). The frequencies were found t...

journal_title：European journal of orthodontics

authors： Egermark I,Blomqvist JE,Cromvik U,Isaksson S

更新日期：2000-10-01 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

authors： Barwart O,Rollinger JM,Burger A

更新日期：1999-10-01 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 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：: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：:In this study, botulinum neurotoxin type A (BoTx/A) was injected into the temporalis and masseter muscles of growing rats to induce masticatory hypoactivity. Sixty, 30-day-old, male Long-Evans rats were randomly divided into four groups. BoTx/A was bilaterally injected in the masseter muscles in group I, in the tempor...

journal_title：European journal of orthodontics

authors： Tsai CY,Shyr YM,Chiu WC,Lee CM

更新日期：2011-04-01 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

authors： Cakmak F,Turk T,Sumer M

更新日期：2014-06-01 00:00:00

abstract：:The purpose of this study was to propose a growth-based structural superimposition method for assessment of cervical vertebral fusion and evaluate variations and abnormalities of the upper cervical vertebrae. Standardized lateral cephalograms of 156 patients (69 males and 87 females, age range 6-20 years), representin...

journal_title：European journal of orthodontics

authors： Koletsis DD,Halazonetis DJ

更新日期：2010-02-01 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：:The aim of this randomized controlled trial was to assess the effectiveness of a mandibular advancement appliance (MAA) in managing severe snoring. Twenty-eight adults with severe snoring and normal overnight oximetry were recruited from sleep disorder clinics. A maxillary placebo appliance and a MAA were worn by each...

journal_title：European journal of orthodontics

authors： Johnston CD,Gleadhill IC,Cinnamond MJ,Peden WM

更新日期：2001-04-01 00:00:00

abstract：:The aim of this study was to investigate if debonding microspheres (DM) could enhance electrothermal orthodontic debonding, and specifically to evaluate if the addition of DM, in varying concentrations to the orthodontic adhesive process, will affect bond strength. Bovine teeth (n=8) were mounted in acrylic using a si...

journal_title：European journal of orthodontics

authors： Swinburne ML,Willmot D,Patrick D

更新日期：2011-08-01 00:00:00

abstract：:This radiographic study analysed the changes that occurred in the airway and surrounding structures when subjects with sleep disordered breathing moved from the upright to the supine position. Radiographs of 100 dentate, Caucasian males were examined. Fifty individuals were non-apnoeic snorers and in 50 a diagnosis of...

journal_title：European journal of orthodontics

authors： Battagel JM,Johal A,Smith AM,Kotecha B

更新日期：2002-06-01 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

authors： Sasaki Y,Satoh K,Hayasaki H,Fukumoto S,Fujiwara T,Nonaka K

更新日期：2009-10-01 00:00:00

abstract：OBJECTIVE:This study investigated the expression of extracellular matrix metalloproteinase inducer (EMMPRIN) in the compression area during orthodontic relapse in rat molars. MATERIALS AND METHODS:Thirty Wistar rats (6 weeks old) underwent orthodontic tooth movement (OTM) of the left first maxillary molar for 21 days,...

journal_title：European journal of orthodontics

authors： Li H,Xia L,Wang S,Al-Balaa M,Liu W,Hua X

更新日期：2020-06-23 00:00:00

abstract：:The aim of the present investigation was to examine position, occlusion, and interproximal contacts of 139 transplanted third molars in 136 patients (94 females, 42 males) with a mean age of 17.6 years at the time of transplantation. Ninety-two teeth were placed directly into favourable positions and left to erupt spo...

journal_title：European journal of orthodontics

authors： Bauss O,Kiliaridis S

更新日期：2009-04-01 00:00:00

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 obtain...

journal_title：European journal of orthodontics

authors： Eliades T,Trapalis C,Eliades G,Katsavrias E

更新日期：2003-02-01 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