نتایج جستجو برای: tooth movement
تعداد نتایج: 242426 فیلتر نتایج به سال:
Alveolar augmented corticotomy is effective in accelerating orthodontic tooth movement, but the effect only lasts for a relatively short time. Therefore, the purpose of this study was to investigate the underlying biology of the immediate periodontal response to orthodontic tooth movement after a corticotomy with alloplastic bone grafts. The results demonstrated that measurable tooth movement b...
OBJECTIVE To evaluate the effectiveness of interventions on accelerating orthodontic tooth movement. MATERIALS AND METHODS We searched the databases of PubMed, Embase, Science Citation Index, CENTRAL, and SIGLE from January 1990 to August 2011 for randomized or quasi-randomized controlled trials that assessed the effectiveness of interventions on accelerating orthodontic tooth movement. The p...
INTRODUCTION The effect of zoledronic acid, a potent and novel bisphosphonate, on tooth movement and orthodontically induced root resorption in osteoporotic animals systemically treated with zoledronic acid as similarly used in postmenopausal patients has not been elucidated. Therefore, this study was undertaken. METHODS Fifteen 10-week-old female Wistar rats were divided into 3 groups: ovari...
Surgical technique to accelerate the rate of orthodontic tooth movement has been recognized in many case reports. It is a clinically successful method used for mature patients, where time of orthodontic treatment may be important in preferred groups of patients. The alveolar bone remodeling and PDL are the significant factors in orthodontic tooth movement, and bone turnover is identified to enl...
OBJECTIVE To test the hypothesis that the administration of aspirin, acetaminophen, meloxicam, celecoxib, and prednisolone have no effect on root resorption and tooth movement. MATERIALS AND METHODS A mesial force of 50 g was applied to the left maxillary first molars of sixty 10-week-old male Wistar rats using nickel titanium closed coil springs attached to the cervical area of the incisors....
The aim of this study was to develop a mathematic model to describe the relationship between magnitude of applied force and rate of orthodontic tooth movement. Initially, data were extracted from experimental studies in dogs (beagles), in which controlled, standardized forces were used to move mandibular second premolars distally. Curve-fitting by nonlinear regression analysis provided an equat...
The bone remodeling process involved in orthodontic tooth movement consists of bone resorption on the compression side and bone formation on the tension side of the teeth. Osteoclasts play an important role in bone remodeling and are necessary for orthodontic tooth movement. Receptor activator of nuclear factor-κB ligand (RANKL) is essential for osteoclast formation and differentiation. Several...
increased duration of fixed orthodontic treatments leads to increased tooth root degeneration, gum inflammation and tooth caries. to decrease the time period of orthodontic treatment, it is essential to facilitate tooth movement or in other words increase the speed of bone remodeling. use of low level laser therapy is a method for achieving this goal.
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