Abstract:
OBJECTIVES:Relapse of teeth that have moved during orthodontic treatment is a major clinical issue with respect to the goals of successful treatment. Such relapse is a physiologic response of the supporting tissues to application of force, and is mainly attributed to occlusal instability and increased mechanical tension exerted by the periodontal ligament (PDL). Relaxin, a member of the insulin/relaxin family of structurally related hormones, has an influence on many physiologic processes, such as collagen turnover, angiogenesis, and antifibrosis. Therefore, relaxin may also affect orthodontic tooth movement through alterations of the PDL, though little is known regarding the relationship between relaxin and stretched human PDL (hPDL) cells. In the present study, we investigated the effects of relaxin on the expression of collagen type I (Col-I) and matrix metalloproteinase 1 (MMP-1) in stretched hPDL cells in vitro. MATERIALS AND METHODS:The release and gene expression of Col-I, as well as those of MMP-1 in stretched hPDL cells treated with relaxin were investigated using enzyme-linked immunosorbent assay and real-time PCR methods. RESULTS:Relaxin decreased the release and gene expression of Col-I, and increased those of MMP-1 by stretched hPDL cells in a magnitude-dependent manner. CONCLUSION:Our results indicate that relaxin modulates collagen metabolism in stretched hPDL cells via the release and expression of Col-I and MMP-1. This hormone may be useful to prevent orthodontic relapse following orthodontic treatment.
journal_name
Orthod Craniofac Resjournal_title
Orthodontics & craniofacial researchauthors
Takano M,Yamaguchi M,Nakajima R,Fujita S,Kojima T,Kasai Kdoi
10.1111/j.1601-6343.2009.01463.xsubject
Has Abstractpub_date
2009-11-01 00:00:00pages
282-8issue
4eissn
1601-6335issn
1601-6343pii
OCR1463journal_volume
12pub_type
杂志文章abstract:OBJECTIVES:To evaluate the reliability of a new technique for measuring 3D-scanned orthodontic cast models with cross-section planes using teledent, a new software, developed at Technion - for the purpose of this research. EXPERIMENTAL VARIABLE:Thirty orthodontic plaster models were divided into three equal groups acc...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2007.00417.x
更新日期:2008-05-01 00:00:00
abstract::The synthesis of tooth development biology with human studies focusing on inherited conditions that specifically interfere with tooth development is improving our understanding of normal and pathological tooth formation. The type of inherited dental malformations observed in a given kindred relate to when, during odon...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,评审
doi:10.1111/j.1601-6343.2007.00384.x
更新日期:2007-05-01 00:00:00
abstract:OBJECTIVE:The role of oestrogen in craniofacial growth still remains unclear. Therefore, the present study aimed to assess the effect of oestrogen deficiency on maxilla and mandible dimensions. SETTING AND SAMPLE POPULATION:The study was conducted at the Department of Pediatric Dentistry at the School of Dentistry of ...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12376
更新日期:2020-08-01 00:00:00
abstract:OBJECTIVE:To evaluate orthodontic tooth movement (OTM) in rats treated with two types of bisphosphonates (BPs), alendronate sodium (A) and zoledronic acid (Z). DESIGN:In all, 15 male Wistar rats were randomly divided into three groups. Group OTM+A: orthodontic tooth movement and subcutaneous administration of alendron...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12192
更新日期:2017-08-01 00:00:00
abstract:OBJECTIVE:An investigation to determine the changing facial appearance of identical twins. DESIGN:Clinical study. MATERIALS AND METHODS:Two Minolta Vivid 900 3D optical laser scanners were placed as a stereo pair to capture the soft tissues of a pair of identical twins. Each scan took approximately 2.5 s. The scanned...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2005.00320.x
更新日期:2005-05-01 00:00:00
abstract::The objective of the study was to provide a comprehensive review of the literature describing research done on the stability, adaptation and growth of craniofacial structures following distraction osteogenesis (DO). The design of the study was a literature review of clinical and experimental studies using electronic s...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,评审
doi:10.1111/j.1601-6343.2009.01452.x
更新日期:2009-08-01 00:00:00
abstract:OBJECTIVES:Three-dimensional evaluation of skeletal mandibular changes following Herbst appliance treatment. SETTING AND SAMPLE POPULATION:Retrospective case-control study, based on a sample size calculation. Twenty-five pubertal patients treated with Herbst appliance (HAG), and 25 matched Class II patients who receiv...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12154
更新日期:2017-05-01 00:00:00
abstract:OBJECTIVES:To review the historic context for digital imaging in dentistry and to outline the fundamental issues related to digital imaging modalities. CONTEXT:Digital dental X-ray images can be achieved by scanning analog film radiographs (secondary capture), with photostimulable phosphors, or using solid-state detec...
journal_title:Orthodontics & craniofacial research
pub_type: 历史文章,杂志文章
doi:10.1034/j.1600-0544.2003.231.x
更新日期:2003-01-01 00:00:00
abstract:OBJECTIVES:In patients with facial paralysis, facial reanimation surgery may be needed to normalize facial soft tissue function/movements. Critical for this normalization is the dynamics of the nasolabial folds (NLFs). The objective of this prospective, observational study was to determine the 3D morphologic dynamics o...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12400
更新日期:2021-02-01 00:00:00
abstract:OBJECTS:Isolated cleft palate (CPO) is the rarest form of oral clefting affecting 1-25 per 10 000 newborns worldwide. There is increasing evidence for the different pathogenetic backgrounds of CPO and cleft lip with or without cleft palate. The role of environmental factors in the origin of non-syndromic and syndromic ...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12361
更新日期:2020-05-01 00:00:00
abstract:INTRODUCTION:Functional appliances lead, in different degrees, to loss of anchorage in the lower arch. By anchoring them to the mandibular bone, any dental side effects may be avoided and the skeletal effect enhanced. Stability of bone-borne fixation would be affected by forces created by the pull of the masticatory mu...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12004
更新日期:2013-02-01 00:00:00
abstract:OBJECTIVES:While some eruption disorders occur as part of a medical syndrome, primary failure of eruption (PFE) - defined as a localized failure of secondary tooth eruption - exists without systemic involvement. Recent studies support that heredity may play an important role in the pathogenesis of PFE. The objective of...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2009.01440.x
更新日期:2009-05-01 00:00:00
abstract:OBJECTIVES:The aim of this qualitative study was to explore and describe adolescents' experiences of treatment with removable functional appliances. SETTING AND SAMPLE POPULATION:Public Dental Service, Gothenburg, Sweden. MATERIAL AND METHODS:Individual interviews focusing on adolescents' experiences of using a remov...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,多中心研究,随机对照试验
doi:10.1111/ocr.12093
更新日期:2015-08-01 00:00:00
abstract:OBJECTIVES:To measure skull thickness in a group of subjects with skeletal Class II and a group with skeletal Class III malocclusion and compare these results with a group with Class I occlusion. SETTING AND SAMPLE POPULATION:Department of Orthodontics, School of Dentistry, University of Copenhagen. The Class II group...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2008.00434.x
更新日期:2008-11-01 00:00:00
abstract:OBJECTIVES:To study treatment-related factors for external root resorption during orthodontic tooth movement. DESIGN:An experimental animal study. SETTING AND SAMPLE POPULATION:Department of Orthodontics and Oral Biology, University Medical Centre Nijmegen, The Netherlands. Twenty-four young adult beagle dogs. EXPER...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2004.00283.x
更新日期:2004-05-01 00:00:00
abstract::The aim of this review was to systematically appraise the evidence on aligner mechanics and forces and moments generated across difference types of aligners. In vitro- laboratory studies for model simulated tooth movement with aligners. Database searches within Medline via Pubmed, Cochrane Central Register of Controll...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,meta分析,评审
doi:10.1111/ocr.12333
更新日期:2019-11-01 00:00:00
abstract:OBJECTIVES:To evaluate cephalometrically craniofacial morphology in children with operated sagittal synostosis and to compare the findings with age- and sex-matched controls. SETTING AND SAMPLE POPULATION:Forty-two children (37 boys) with operated primary sagittal synostosis were compared retrospectively with age- and...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12056
更新日期:2015-02-01 00:00:00
abstract:OBJECTIVES:The purpose of this study was to investigate the effects of reduced masticatory function on midline suture growth and morphology in growing pigs. SETTING AND SAMPLE POPULATION:The sample was 20 pigs separated into two dietary groups and raised at the Department of Anthropology, Harvard University. Midline s...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2010.01483.x
更新日期:2010-05-01 00:00:00
abstract:OBJECTIVES:The aim of this study was to compare three-dimensional airway changes resulting from mandibular advancement surgery and mandibular advancement surgery with constriction. SETTING AND SAMPLE POPULATION:The University of Michigan School of Dentistry and Medical Center. A total of 42 patients undergoing mandibu...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12292
更新日期:2019-05-01 00:00:00
abstract:AIMS AND OBJECTIVES:Documentation of dental and orthodontic implications of osteoglophonic dysplasia (OGD). SETTINGS AND PARTICIPANTS:Case report describing oral and dental manifestations of a female with OGD, aged 39 years, who was first documented three decades ago. RESULTS:This rare genetic disorder manifests with...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2006.00369.x
更新日期:2006-08-01 00:00:00
abstract:OBJECTIVE:The present study aimed to analyse palatal changes due to rapid maxillary expansion (RME) by using modern geometric morphometric analysis (GMA) on 3D models. SETTINGS AND SAMPLE POPULATION:Forty children with posterior crossbite and maxillary deficiency were selected for this study. Twenty children were trea...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12387
更新日期:2020-11-01 00:00:00
abstract::Antimicrobial orthodontic adhesives aim to reduce white spot lesions' incidence in orthodontic patients, but they should not jeopardizing its properties. Systematic review and meta-analysis were performed to answer the question whether the association of antimicrobial agents with orthodontic adhesives compromises its ...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,meta分析,评审
doi:10.1111/ocr.12100
更新日期:2016-02-01 00:00:00
abstract:OBJECTIVES:To evaluate whether changes in the concentration of different biomarkers in the gingival crevicular fluid (GCF) can be used to detect the root resorption process in adult or adolescent patients undergoing treatment with a fixed appliance, in comparison with untreated subjects or treated patients not showing ...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12329
更新日期:2019-11-01 00:00:00
abstract:OBJECTIVES:To test the following two hypotheses: 1) different types of retainers result in distinct levels of biomarkers in gingival crevicular fluid (GCF) and 2) the retainer bonded to all mandibular anterior teeth induces more detrimental outcomes to the periodontium. SETTING AND SAMPLE POPULATION:The Department of ...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12129
更新日期:2016-11-01 00:00:00
abstract:PURPOSE:To experimentally determine the effects of increased surgical trauma on the rates of tooth movement and apical root resorption. Two surgical techniques for rapid protraction of multi-rooted teeth in foxhound dogs immediately following premolar extraction were compared. METHODS:Split-mouth design to randomly as...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2010.01494.x
更新日期:2010-08-01 00:00:00
abstract:OBJECTIVES:To investigate the 3D morphological variations in 169 temporomandibular ioint (TMJ) condyles, using novel imaging statistical modeling approaches. SETTING AND SAMPLE POPULATION:The Department of Orthodontics and Pediatric Dentistry at the University of Michigan. Cone beam CT scans were acquired from 69 subj...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12070
更新日期:2015-04-01 00:00:00
abstract::In cranial sutural samples derived from five children with premature cranial suture fusion we have performed immunostaining for the urokinase plasminogen activator (uPA) and urokinase receptor (uPAR). We have found a strong reactivity for cell- or matrix-bound uPA and uPAR in the sutural connective tissue and associat...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1034/j.1600-0544.2002.50101.x
更新日期:2002-02-01 00:00:00
abstract::The skin and the oral mucosa act as a barrier against the external environment. Loss of this barrier function causes dehydration and a high risk of infection. For the treatment of extensive skin wounds such as in severe burns, autologous skin for transplantation is often not available in sufficient amounts. Reconstruc...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章,评审
doi:10.1111/j.1601-6343.2009.01475.x
更新日期:2010-02-01 00:00:00
abstract:OBJECTIVES:Bone repair strategies continue to be developed for alternatives to autografting, allogeneic implants of banked bone, and other bone substitutes. Efforts have included the delivery of potent growth and/or differentiation factors and the use of gene therapy. For bone regeneration, gene therapy is the delivery...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/j.1601-6343.2005.00332.x
更新日期:2005-08-01 00:00:00
abstract:OBJECTIVES:Literature is poor of data about the occlusion in children affected by neurofibromatosis type 1 (NF1). This case-control study investigated the occlusal traits in a group of children with NF1. SETTING AND SAMPLE POPULATION:A hundred and fifteen children with NF1 were enrolled; non-NF1 controls were sequenti...
journal_title:Orthodontics & craniofacial research
pub_type: 杂志文章
doi:10.1111/ocr.12108
更新日期:2016-02-01 00:00:00