نتایج جستجو برای: functional orthodontic appliances
تعداد نتایج: 605849 فیلتر نتایج به سال:
OBJECTIVE Artifacts caused by metallic objects, such as dental crowns, dental implants and metallic orthodontic appliances, are a common problem in head and neck MRI. The aim of this retrospective study was to identify the main metal dental objects that produce artifacts on brain MRIs. STUDY DESIGN Imaged metallic artifacts and their sources were identified. Artifact image plane was rated on ...
objective: one complication of fixed orthodontic treatment in patients with poor oral hygiene is development of demineralized enamel lesions compromising esthetics. this study aimed to review preventive measures and treatment of white spot lesions (wsls) in patients with fixed orthodontic appliances. review of literature: in this review study, pubmed and google scholar databases were searched f...
Objective: The objective of this present study was to understand how children and adolescents perceive esthetic attractiveness of a variety of orthodontic appliances. It also analyzed preferences according to patients' age, sex and socioeconomic status. Methods: A photograph album consisting of eight photographs of different orthodontic appliances and clear tray aligners placed in a consentin...
In vivo study on metal release from fixed orthodontic appliances in oral mucosa cells Dr. F. Amini* - Dr. M. Rabbani** - Dr. A. Amjadei*** *- Assistant Professor of Orthodontics Dept. - Faculty of Dentistry – Islamic Azad University (Tehran). **- Assistant Professor, Nuclear Research Center Dept. Iranian Atomic Energy Organ. ***- Dentist. Background and Aim: Fixed orthodontic appliances usually...
Introduction: Patients receiving orthodontic treatment get some alterations in their oral cavity environment such as an increase in the levels of microorganism in oral cavity and dental biofilms. Therefore, this study aimed to evaluate as well as to compare the colonization of mutans streptococci in different parts of removable orthodontic appliances. Methods: In this descriptive analytic stu...
Skeletal Class III malocclusion, with its unpredictable and unfavorable nature, has been characterized by a growth pattern with doubtful prognosis regarding orthodontic mechanics, even when performed early. For a long time, Class III malocclusion was regarded as a synonym of mandibular prognathism, regardless of the affected skeletal structures. Mandibular growth, essentially determined by gene...
statement of the problem: fixed orthodontic appliances predispose patients to dental caries. use of mouthrinses has been introduced as the effective way for reducing dental plaque accumulation. purpose: the aim of this study was to compare the effects of persicamouthwash and chlorhexidine (chx) on colonization of streptococcus mutans ( s. mutans ) on fixed orthodontic o-rings. materials and met...
OBJECTIVE The aim of this retrospective study was to evaluate the relationship between orthodontic treatment and gingival health. MATERIALS AND METHODS A total of 251 patients among whom 177 were girls and 74 were boys, recruited from the records pool of the Department of Orthodontics, Faculty of Dentistry, University of Gazi, were included in the study. Patients' treatments have been complet...
PURPOSE Anthranilic acid is an important, the aromatic intermediate in the degradation of tryptophan in kynurenine pathway. This compound plays an important role in the regulation of immunological processes as well shows antibacterial activity. The aim of our study was to estimate the concentration of anthranilic acid in saliva of young patients with orthodontic apparatus. We also assessed corr...
Relevance . For many years studies have evaluated the possibilities of modifying growth maxillofacial complex during orthodontic treatment with functional appliances. Despite large number devoted to distal occlusion in children and adolescents, there is no consensus among orthodontists on appropriateness, timing tactics such treatment. Material methods. The article presents results adolescents ...
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