نتایج جستجو برای: functional orthodontic appliances
تعداد نتایج: 605849 فیلتر نتایج به سال:
Current advances in orthodontics have broadened the possibilities of invisible orthodontic appliances offered to adult patients. For some patients, aesthetic considerations during treatment are as important as other factors, such as comfort, pain, cost, or length of treatment . Traditional labial appliances (Buccal) remain the main orthodontic appliance used. The introduction of the lingual app...
In recent years, the skeletal anchorage through miniscrews has expanded the treatment options in orthodontics (Yamaguchi et al., 2012). We hereby present a modified method for tooth extrusion for cases where crown-lengthening surgery is contraindicated for aesthetic reasons. This modified method uses three orthodontic appliances: a mini-implant, an orthodontic wire, and a bracket. The aim of th...
Background and purpose: Natural disinfecting agents for home disinfection of removable orthodontic appliances can be a good alternative for chemical solutions.Purpose of this study is to compare the efficacy of Zatariamultiflora essential oil, 0.12% chlorhexidine and sterile tap water (control) in removing Candida and Streptococcus viridans colonies from the acrylic baseplates of removable orth...
BACKGROUND Class II malocclusion is one of the most common orthodontic problems. In cases of class II malocclusion with mandibular deficiency, functional appliances often are used with the intent of stimulating mandibular growth. Bionator and twin block are two of the more popular functional appliances. The aim of this study was to compare the treatment outcomes of these two appliances using ce...
INTRODUCTION Previous studies reported small but significant skeletal changes as a result of early treatment of Class II malocclusion with headgear and functional appliances. In this study, we report on the skeletal changes for 1-phase and 2-phase treatment of Class II malocclusion. METHODS This was a prospective randomized clinical trial conducted sy the Department of Orthodontics at the Uni...
The aim of this work is to show the possibility of using fiber optic sensors to instrument inside parts of an artificial maxilla and measure internal tension transmitted by the orthodontic and orthopedic appliances to the dentition and the adjacent bone. Bragg gratings written in a standard optical fiber were used to monitor the maxillary teeth and a multiplexed fiber was used to monitor the su...
OBJECTIVE The aim of this study was to assess pain, masticatory performance and swallowing threshold of patients undergoing orthodontic treatment. METHODS Ten patients of both genders (mean age of 17.25 ± 5.21 years), with complete permanent dentition, who underwent orthodontic treatment with fixed appliances were evaluated. The masticatory performance and the swallowing threshold were assess...
The purpose of this study was to evaluate the changes in orthodontic care patterns over a sixteen-year period in a university clinical setting. The average numbers of students, clinical procedures, and orthodontic appliances were examined from the time period 1988-2003. Appliance number and type were evaluated as a function of increased predoctoral and postdoctoral class sizes, student to facul...
OBJECTIVE Oxidative stress is a pathologic event induced by a prevalence of oxidant agents on the antioxidant ones, with a consequent alteration of oxide-reducing balance. INTRODUCTION Freeradicals produce damages both in cellular and extra-cellular components; phospholipid membranes, proteins, mitochondrial and nuclear DNA, are the target of the oxidative stress, that can finally cause cellu...
Three-dimensional (3D) printing has revolutionized the world of orthodontic manufacturing. Orthodontists are no longer beholden to limited specifications traditional manufacturing companies and now have a wide variety customization options for their patients. In this paper, we will discuss appliances that currently 3D printed, many which orthodontists can start in offices today. Other available...
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