نتایج جستجو برای: orthodontic appliance
تعداد نتایج: 20372 فیلتر نتایج به سال:
Orthodontic tooth movement may be enhanced by the application of a magnetic field. Bone remodelling necessary for orthodontic tooth movement involves clastic cells, which are tartrate-resistant acid phosphatase (TRAP) positive and which may also be regulated by growth hormone (GH) via its receptor (GHR). The aim of this study was to determine the effect of a static magnetic field (SMF) on ortho...
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...
OBJECTIVES To determine whether the use of chewing gum reduced the impact and pain of fixed orthodontic appliances. SETTING AND SAMPLE POPULATION The Orthodontic Department of the Charles Clifford Dental Hospital, Sheffield, UK. Fifty-seven patients aged 18 years or younger and who were about to start fixed orthodontic appliance treatment. SUBJECTS AND METHODS A randomized clinical trial wi...
Aggressive periodontitis is a type of periodontitis with early onset and rapid progression and mostly affecting young adults who occupy a large percentage of orthodontic patients. The role of the orthodontist is important in screening the disease, making a provisional diagnosis, and referring it to a periodontist for immediate treatment. The orthodontist should be aware of the disease not only ...
abstract background and aim: the aim of the present study was to evaluate the cephalometric changes in class ii division 1 mandibular deficient patients treated with farmand functional appliance. methods and materials: twenty-seven subjects (17 girls and 10 boys) with the mean age of 11.1±1.4 years were involved in the present study. all the subjects were treated with farmand functional applia...
BACKGROUND Orthodontic treatment was found to have an impact on the quantity and constitution of subgingival microbiota. However, contradictory findings regarding the effects of fixed appliances on microbial changes were reported. The aim of this systematic review was to investigate the microbial changes in subgingival plaques of orthodontic patients. METHODS The PubMed, Cochrane Library, and...
Introduction: Nowadays, removable orthodontic appliances are widely used in the treatment of straightening teeth and guided the growth of the jaws. These devices have acrylic parts in which methyl methacrylate monomers are used and have been the subject of discussion in recent years as a cause of epithelial lesions in the oral cavity, and they are considered as one of the factors in mucosal al...
BACKGROUND Orthodontic management of an ectopically erupted canine requires substantial amount of bodily movement which is difficult to perform and often results in root resorption. CASE PRESENTATION A 9 year old girl presented with Class I malocclusion with crowding and ectopically positioned upper left canine (23). Treatment involved extraction of all first premolars. The alignment of the u...
STATEMENT OF THE PROBLEM The present constituents of gingival crevicular fluid (GCF) can reflect the changes occurring in underlying tissues. Considering variety of biologic bone markers, alkaline phosphatase and acid phosphatase have been examined as bone turn over markers in orthodontic tooth movement. PURPOSE The current study designed in a longitudinal pattern to determine the changes of ...
Adult orthopedic and orthodontic treatment requires a more circumspect sensibility in diagnosis, technology selection, reasons for treatment, and patient goals. Many adults present with asymmetries of the dental arches, the cranium, and the entire body. The use of the Advanced Lightwire Functional (ALF) appliance for adult orthopedic treatment will be shown. The appliance construction, applicat...
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