نتایج جستجو برای: orthodontic adhesive
تعداد نتایج: 38620 فیلتر نتایج به سال:
OBJECTIVE To determine the shear bond strength of orthodontic brackets using color change adhesives that are supposed to aid in removing excess of bonding material and compare them to a traditional adhesive. METHODS Ninety metallic and ninety ceramic brackets were bonded to bovine incisors using two color change adhesives and a regular one. A tensile stress was applied by a universal testing ...
as it is seen, by passing the evolutionary process of banding of orthodontic attachments to the bonding ones, orthodontics have witnessed many developments, such as application of new adhesives, optimized base designs, new bracket materials, curing methods and more efficient primers. the studies often address the morphological, micro-leakage, and shear bond tests to evaluate bond efficacy. amon...
the aim of this study was to compare the shear bond strength (sbs) of resin modified glass ionomer (rmgi) and composite resin for bonding metal and ceramic brackets.eighty-eight human premolars extracted for orthodontic purposes were divided into 4 groups (n=22). in groups 1 and 2, 22 metal and ceramic brackets were bonded using composite resin (transbond xt), respectively. twenty-two metal and...
Background: In an effort to address the growing need for more aesthetic appliances, ceramic brackets were introduced into orthodontics. The and less obvious appliances has risen as a result of adult orthodontic therapy. Aim: To assess shear bond strength Clarity Transcend 6000 well bracket breakdown mechanism while utilising force with Schimadzu testing equipment, information from this study wi...
The diagnosis of Amelogenesis Imperfecta (AI) in a young patient can present many complex restorative and orth odontic challenges for the pediatric dentist. These patients have traditionally been treated with a combination of extractions, composite bonding, stainless steel crowns, adhesive castings, over-dentures, and porcelain veneers. They often have anterior open bites or vertical deep bites...
Background & Aims: Scratching the enamel surface during orthodontic bracket debonding and removal of adhesive remnants is a common concern for orthodontists. This study sought to assess the enamel surface roughness following the use of low speed tungsten carbide (TCB) and high-speed Arkansas burs (AB). Materials & Methods: This in-vitro experimental study was performed on 72 first and s...
AIM To determine the shear bond strengths (SBS) of stainless steel brackets bonded with seven light-cured orthodontic adhesives after the enamel was conditioned with the same self-etching primer. METHODS A total of 140 extracted human molars were randomly divided into seven groups (N = 20). In all the groups, the enamel was conditioned with Transbond Plus SEP (TPSEP). Stainless steel brackets...
The aim of this study was to investigate if debonding microspheres (DM) could enhance electrothermal orthodontic debonding, and specifically to evaluate if the addition of DM, in varying concentrations to the orthodontic adhesive process, will affect bond strength. Bovine teeth (n=8) were mounted in acrylic using a silicone mould. Four test groups of three preparations of primer (Rely-a-Bond) w...
Despite the continuous development of materials and techniques of adhesive bonding, the basic procedure remains relatively constant. The technique is based on three components: etching substance, adhesive system, and composite material. The use of etchants during bonding orthodontic brackets carries the risk of damage to the enamel. Therefore, the article examines the effect of the manner of en...
The aims of this in vitro study were to evaluate the effect of enamel fluorosis on the shear bond strength (SBS) of orthodontic brackets and to determine whether adhesion promoter, Enhance LC, increases the bond strength of brackets to fluorosed enamel. Forty-five (30 fluorosed and 15 non-fluorosed) non-carious fresh human premolar teeth, extracted for orthodontic reasons and without any caries...
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