نتایج جستجو برای: orthodontic appliances
تعداد نتایج: 23878 فیلتر نتایج به سال:
Enamel demineralization is an undesirable but common complication of orthodontic fixed appliances therapy. The purpose of this study was to test long-term benefits of resin-modified glass ionomer cement (GC Fuji OrthoTM LC) for the prevention of demineralization in patients receiving orthodontic treatment with fixed bonded appliances. 90 healthy extracted premolars without any clinical signs of...
AIM Removable appliances are a dependable choice for many patients but like all orthodontic appliances, they have some limitations in use. Patient selection and appropriate appliance design are two key factors for success. Many patients, especially adults, prefer intra-oral appliances to extra-oral devices. Sometimes a removable intra-oral appliance can solve a dental problem in a shorter perio...
Decalcification of enamel, appearing as white spot lesions (WSLs), around fixed orthodontic appliances is a major challenge during and after fixed orthodontic treatment by considering the fact that the goal of orthodontic treatment is to enhance facial and dental esthetic appearance. Banded or bonded teeth exhibit a significantly higher rate of WSLs compared to the controls with no braces as fi...
Adhesion and colonization of the oral cavity by Candida albicans is an initial step in candidosis. Orthodontic and other oral appliances seem to favor candidal presence. The aim of this work was to compare the presence of Candida species in saliva, their adherence to oral epithelial cells, and the levels of anti–C. albicans IgA in children with or without orthodontic appliances. This study incl...
INTRODUCTION Plaque control is the major consensus during orthodontic treatment to prevent the occurrence of cavities and periodontal inflammation. The mechanic resource of greater effectiveness and frequent use in this control is the oral hygiene. The tooth brushing techniques most used in orthodontic patients are: Ramfjord's method, Modified Stillman technique and Bass method. OBJECTIVE Sin...
OBJECTIVE The release of toxic metal ions from orthodontic alloys has induced concerns regarding the biocompatibility of fixed appliances. This study investigated the genotoxic effect of metal appliances in a sample of patients undergoing fixed orthodontic treatment. MATERIALS AND METHODS The study included twenty-five healthy individuals requiring orthodontic therapy in both jaws. The patien...
Gingivitis is caused by several known systemic and local factors. Among systemic factors, the role of hormonal changes during pregnancy is well established. While presence of fixed orthodontic appliances alone may not cause gingivitis, factors such as pregnancy and poor oral hygiene combined together could precipitate acute gingival inflammation that may progress to a periodontal condition in a...
THE OBJECTIVE The aim of the study was evaluation of metal ions (nickel and chromium) released from orthodontic appliances in cleft lip and palate patients and the usefulness of non-invasive matrices (saliva and hair). MATERIALS AND METHODS The material studied consisted of 100 individuals, including 59 females and 41 males of 5 to 16 years of age, which were divided into 3 groups: experiment...
Orthodontics is based on tooth movement through bone resulting from the application of mechanical forces. The bone remodeling takes place through an inflammatory process associated with pain or discomfort. Orthodontic pain is the most frequent complaint of the patients undergoing orthodontic therapy. The lengthy duration of treatment along with frequent pain due to the orthodontic appliances of...
Normal 0 false false false EN-US X-NONE AR-SA Canine retraction to the place of extracted premolar is a basic step in the majority of orthodontic treatments. This is performed frequently by incorrect axis change of canine which moves its root anteriorly. This study is aimed to evaluate canine bodily movements by removable orthodontic appliances and...
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