نتایج جستجو برای: drug in adhesive
تعداد نتایج: 17053019 فیلتر نتایج به سال:
objective: the objective of this study was to compare the tensile bond strength of metal brackets bonding to glazed ceramic surfaces using three various surface treatments. materials and methods: forty two glazed ceramic disks were assigned to three groups. in the first and second groups the specimens were etched with 9.5% hydrofluoric acid (hfa). subsequently in first group, ceramic primer and...
A novel semi analytical method is developed for transient analysis of single-lap adhesive joints with laminated composite adherends subjected to dynamical loads. The presented approach has the capability of choosing arbitrary loadings and boundary conditions. In this model, adherends are assumed to be orthotropic plates that pursuant to the classical lamination theory. Stacking sequences can be...
Although alginate hydrogels have been extensively studied for tissue engineering applications, their utilization is limited by poor mechanical strength, rapid drug release, and a lack of cell adhesive ability. Aiming to improve these properties, we employ the interpenetrating hydrogel design rationale. Using alginate and sericin (a natural protein with many unique properties and a major compone...
Abstract: Objectives: The intention of present study is to formulate and optimize the famotidine mucoadhesive tablets y using Central Composite Design. Materials Methods: concentrations Cordia dichotoma fruit mucilage powder (X1) Polyvinyl pyrrolidone (X2) were demonstrated as independent variables. Whereas, dependent variables selected such an in vitro Mucoadhesion Time percentage Drug Release...
Objectives: The purpose of this study was to investigate the microleakage at cervical margins of class V composite restorations with thickened no filled adhesive, flowable composite, filled adhesive and glass- ionomer liners (light cured, conventional). Materials & Methods: Thirty recently extracted human molars were prepared with standardized class V cavities of 5mm length (mesial- distal ...
The purpose of the present study was to design muco-adhesive chitosan microspheres containing amoxicillin. Chitosan microspheres with a small particle size and good sphericity were prepared by a spray-drying method followed by chemical treatment with a chemical crosslinking agent (glutaraldehyde). Parameters affecting the crosslinking extent of the crosslinking time and the concentration of the...
conclusion both adhesive systems showed good biological compatibility. background to investigate pulp response to the application of two types adhesive systems (total-etch and self-etch) in human premolar teeth. materials and methods cavities limited to enamel walls in all margins with 2.5 mm depth were prepared on buccal surfaces of thirty three human premolars. the cavities were treated with ...
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