نتایج جستجو برای: functional orthodontic appliances
تعداد نتایج: 605849 فیلتر نتایج به سال:
This study compared the effects produced by two different molar distalizers, namely cervical headgear (CHG) and the intraoral pendulum appliance, associated with fixed orthodontic appliances. The headgear group comprised 30 patients (19 females, 11 males), with an initial age of 13.07 years [standard deviation (SD) = 1.3], treated with CHG and fixed orthodontic appliances for a mean period of 3...
BACKGROUND/AIM Orthodontic patients should be familiar with techniques of maintaining oral hygiene as well as with proper methods of checking maintenance of oral hygiene. The aim of this study was to determine a correlation between condition of periodontium and techniques of maintaining oral hygiene in patients treated with fixed orthodontic appliances. METHODS The research population include...
PURPOSE Considering nickel release from fixed orthodontic appliances, determination of the relationship between the clinical status of the mouth, IgE level and treatment duration in orthodontic patients seems to be advisable. MATERIAL AND METHODS Twenty-one patients with symptoms of nickel hypersensitivity observed during treatment with fixed orthodontic appliances were separated from a group...
The purpose was to define the impact of orthodontic appliances on the density of the underlying dental bone tissue. Radiographic images of teeth were made in 27 study subjects before and twelve months after fixed orthodontic appliances were carried. The radiographs were digitalized and the levels of gray at sites where the greatest bone resorption was expected were transformed into optic densit...
PURPOSE Intra-oral fixed orthodontic appliances, so frequently used in the treatment of malocclusions, may cause pathomorphological changes in the mouth and can be a potential source of antigen stimulation. Therefore, the aim of the current study was to assess the changes in salivary cells of orthodontically treated allergic patients. MATERIAL AND METHODS The study material was the non-stimul...
Situations where orthodontic appliances may cause pain or discomfort include: • A long wire that is located distal to the terminal bracket (i.e., a distal end) is irritating the mucosa (Fig. 1) • A bracket that has debonded, come loose and is irritating the mucosa • Orthodontic wire irritating the inner mucosa (Fig. 2) • A !xed orthodontic appliance that has come loose (e.g., a single band or a...
Adult patients seeking orthodontic treatment are increasingly motivated by esthetic considerations. The majority of these patients reject wearing labial fixed appliances and are looking instead to more esthetic treatment options, including lingual orthodontics and Invisalign appliances. Since Align Technology introduced the Invisalign appliance in 1999 in an extensive public campaign, the appli...
UNLABELLED In recent years, the increased esthetic demands of patients seeking orthodontic treatment have led to the development of various esthetic appliances and techniques. Lingual orthodontics is a major expression of this necessity. Several techniques and appliances have been introduced during the years, but they usually require special equipment and manipulation to be applied to patients....
AIM The aim of this study was to examine the changes in the levels of interleukine-1 beta (IL-1 β ), tumor necrosis factor alpha (TNF- α ), malondialdehyde (MDA), nitric oxide (NO), and 8-hydroxydeoxyguanosine (8-OHdG) in saliva and IL-1 β , TNF- α , and NO in gingival crevicular fluid (GCF) samples of patients with fixed orthodontic appliances. MATERIAL AND METHOD The subject population cons...
This case report describes the orthodontic management of a 10-year-old female with Silver-Russell syndrome by means of gradual expansion of the mandibular dental arch using removable appliances and subsequent comprehensive treatment of malocclusion by means of fixed appliances.
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