Comparative in vitro study of the different orthodontic brackets using two etching techniques

Păstrav, Mihaela; Chisnoiu, Andrea Maria; Pastrav, Ovidiu; Dumitrescu, Laura Silaghi; Saroși, Codruța; Ţărmure, Viorica

doi:10.24193/subbchem.2017.4.17

Cited by 2 publications

(2 citation statements)

References 15 publications

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“…Previous research has reported various incidence rates of bracket detachment, from 28.3% to relatively low incidence values of 0.6-9.6% [9]. Other studies have also compared several techniques and materials for orthodontic bonding [10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Surface Characteristics, Fluoride Release and Bond Strength Evaluation of Four Orthodontic Adhesives

et al. 2021

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Orthodontic adhesives have similar properties in terms of fluoride release, roughness, shear bond strength or cement debris for specific clinical conditions. Three commercial consecrated orthodontic adhesives (Opal Seal®, Blugloo®, Light Bond®) were compared with an experimental orthodontic material (C1). Brackets were bonded to enamel using a self-etch technique followed by adhesive application and then de-bonded 60 days later. Share bond strength evaluation, scanning electron microscopy, atomic force microscopy and fluoride release analysis were performed. The highest amount of daily and cumulative fluoride release was obtained for the experimental material, while the lowest value was observed for Opal Seal®. The materials evaluated in the current study presented adequate shear bond strength, with the experimental material having a mean value higher than Opal Seal and Blugloo. The atomic force microscopy measurements indicated that the smoothest initial sample is Opal Seal® followed by Light Bond®. Scanning electron microscopy evaluation indicated different aspects of cement debris on the enamel and/or bracket surface, according to the type of adhesive. The experimental material C1 presented adequate properties in terms of shear bond strength, fluoride release, roughness and enamel characteristics after de-bonding, compared to the commercial materials. Under these circumstances, it can be considered for clinical testing.

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Section: Introductionmentioning

confidence: 99%

Surface Characteristics, Fluoride Release and Bond Strength Evaluation of Four Orthodontic Adhesives

et al. 2021

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“…Some studies have found that the water sorption causes expansion of the adhesive material until an equilibrium value [14][15][16][17]. Another study shows that most of the hygroscopic expansion occurs in the first two weeks, with the balance achieved in about eight weeks [18].…”

Section: Resultsmentioning

confidence: 99%

In Vitro Behaviour of New Experimental Adhesive Systems

Sucală¹,

Saroși²,

Popa³

et al. 2018

Studia UBB Chemia

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Bonding of current adhesives to dentin is usually through the formation of the interfacial hybrid layer between adhesives and dentin. Intertubular and intra-tubular resin infiltration leads to an increase of the quality regarding the dentinal adhesion. The aim of this study is in vitro testing of new experimental adhesives in comparison with commercial adhesive, regarding sorption and solubility as well as to investigate molecular chemical features of the adhesive/dentin interfaces. We used 4 experimental adhesives systems A1, A2, A3, A4 and IBond® (Heraeus) as reference material. Organic phase adhesive system consists of a mixture of monomers. As filler for these systems, besides hydroxyapatite, we used TiO2 nanoparticles. FTIR spectroscopy was used to investigate molecular chemical features of the adhesive/dentin interfaces. The obtained data show the main advantages and disadvantages of the tested adhesive systems. The best values of water sorption and solubility both in water and artificial saliva present A2 and A3 adhesives.

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Comparative in vitro study of the different orthodontic brackets using two etching techniques

Cited by 2 publications

References 15 publications

Surface Characteristics, Fluoride Release and Bond Strength Evaluation of Four Orthodontic Adhesives

Surface Characteristics, Fluoride Release and Bond Strength Evaluation of Four Orthodontic Adhesives

In Vitro Behaviour of New Experimental Adhesive Systems

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