نتایج جستجو برای: orthodontic appliance design
تعداد نتایج: 979014 فیلتر نتایج به سال:
To date, the number of adult patients looking for aesthetic and comfortable alternatives to traditional fixed appliance therapies is increasing significantly. One of the biggest challenges an adult orthodontic patient faces is the time spent wearing the appliance: to accelerate orthodontic tooth movement and shorten treatment duration is thus a topical issue. Corticotomy is an effective and saf...
The Application of a 3-Dimensional Printing Technique in Refining the Orthodontic Trans-Palatal Arch
The aim of this article was to describe the process designing and manufacturing 3D TPAs discuss some clinical cases in which were used. Digital models acquired by scanning casts, PVS impressions or dentitions directly. data a common STL format used for computer design that follows. Then, instructions sent printer fabrication. Finally, manual polishing should be performed. Seven assist orthodont...
INTRODUCTION The role of occlusion concerning temporomandibular disorder is still unclear but seems to be the only component of the stomathognathic system dentists are able to change morphologically. The aim of the paper is to describe the orthodontist's approach for transferring and maintaining a therapeutic splint position into permanent occlusion using a fully customized lingual appliance. ...
This study investigated the association of appliance type and tooth extraction with the incidence of external apical root resorption (EARR) of posterior teeth following orthodontic treatment. Pre- and posttreatment orthopantomograms were compared for 97 patients and a 4-grade ordinal scale used to measure EARR. The incidence of EARR was positively associated with tooth position (P < .001), appl...
OBJECTIVE To compare the transverse dental changes induced by the palatally applied Frog appliance and buccally applied Karad's integrated distalizing system (KIDS). METHODS We evaluated the pre- and post distalization orthodontic models of 39 patients, including 19 treated using the Frog appliance, which is palatally positioned (Frog group), and 20 treated using KIDS, which is buccally posit...
background and objectives: long-term usage of fixed and removable orthodontic appliances creates a favorable environment for the augmentation of oral normal microflora particularly candida species, which can increases the risk of periodontal lesions. the aim of this study was to assess quantitative and qualitative alterations in the carrier rate of candida spp. after placement of fi...
OBJECTIVE To investigate by behavioral methods the relationship between emotional stress and pain during experimental tooth movement in rats. MATERIALS AND METHODS Sixteen male Sprague-Dawley rats (210 to 250 g) were divided into two groups. The experimental group was treated with an active Ti-Ni appliance, and the control group received a passive appliance. A force of 20 gf was delivered by ...
BACKGROUND AND OBJECTIVES Long-term usage of fixed and removable orthodontic appliances creates a favorable environment for the augmentation of oral normal microflora particularly Candida species, which can increases the risk of periodontal lesions. The aim of this study was to assess quantitative and qualitative alterations in the carrier rate of Candida spp. after placement of fixed and remov...
OBJECTIVE The aim of this study was to cephalometrically assess the skeletal and dentoalveolar effects of Class II malocclusion treatment performed with the Jones Jig appliance followed by fixed appliances. METHODS The sample comprised 25 patients with Class II malocclusion treated with the Jones Jig appliance followed by fixed appliances, at a mean initial age of 12.90 years old. The mean ti...
In orthodontics there has been a change in the treatment plan of crowding cases from extraction protocol. This was mainly due to introduction self-ligating bracket and temperature activated wires. Even though are certain exceptions, have evolved because its advantages such as low friction, shorter duration increased efficacy. Damon’s system existence since 1930 but it well developed past 30 yea...
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