Dental Acrylic
Dental Acrylic - Related Videos
07:51
Acrylic Resin Molding Based Head Fixation Technique in Rodents
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Cited by 4 •
2016
Traditional head fixation techniques have used metallic frames attached on the skull as an interface for head fixation apparatus. This protocol demonstrates a frameless, acrylic resin molding based head fixation technique for behavioral tasks in rodents.
07:57
Accuracy in Dental Medicine, A New Way to Measure Trueness and Precision
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Cited by 65 •
2014
Accuracy is a major demand in dental medicine. To verify accuracy, reference scanners are needed. This article presents a new reference scanner with an adjusted scanning method to acquire a broad variety of dental morphologies with high trueness and precision.
13:05
Ratiometric Imaging of Extracellular pH in Dental Biofilms
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Cited by 24 •
2016
A pH-sensitive ratiometric dye is used in combination with confocal laser scanning microscopy and digital image analysis to monitor extracellular pH in dental biofilms in real-time.
11:17
Synthesis of Programmable Main-chain Liquid-crystalline Elastomers Using a Two-stage Thiol-acrylate Reaction
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Cited by 107 •
2016
A novel methodology is presented to synthesize and program main-chain liquid-crystalline elastomers using commercially available starting monomers. A wide range of thermomechanical properties was tailored by adjusting the amount of crosslinker, while the actuation performance was dependent on the amount of applied strain during programming.
08:45
Shrinkage of Dental Composite in Simulated Cavity Measured with Digital Image Correlation
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Cited by 12 •
2014
In order to understand the spatial development of polymerization shrinkage stress in dental resin-composite restorations, Digital Image Correlation was used to provide full-field displacement/strain measurement of restored model glass cavities by correlating images of the restoration taken before and after polymerization.
FAQs
These activation routes initiate polymerization of methyl methacrylate monomer into polymethyl methacrylate. As polymerization proceeds, the material changes from a workable resin into a hardened plastic. The selected activation approach therefore affects when the material can be shaped and when it becomes rigid, making activation conditions an important part of establishing the intended form during fabrication.
Adjustable working properties allow dental acrylic to be handled and shaped before hardening. This is significant because the final form must match the intended prosthesis, restoration, appliance, or model. Controlling the workable stage helps connect fabrication requirements with the material’s later function, while polymerization converts the shaped resin into a stable hardened plastic.
Processing conditions determine how the resin moves from a workable material to a hardened polymer, so they can influence the resulting performance of the fabricated item. In biomaterials research, this relationship is useful for examining whether changes in processing affect material compatibility and function when the finished component operates in the oral environment.
A general workflow begins by shaping the acrylic resin for the intended prosthesis, restoration, appliance, or model, followed by activation of the methyl methacrylate so polymerization can occur. Chemical, heat, or light activation may be used. Once the resin hardens into polymethyl methacrylate, the fabricated shape provides the basis for its intended use.
Its applications include denture bases, provisional crowns, orthodontic devices, and laboratory models, as well as other prostheses and restorations. The material’s adjustable working properties support shaping during fabrication, while its relatively low density is useful when creating components that must function within dental or laboratory settings.
Dental acrylic offers a practical system for studying how a processed material behaves in a biologically relevant oral environment. Researchers can examine material compatibility and relate observed performance to fabrication conditions, polymerization activation, and final form. This connects polymer processing with biological use without limiting the material to a single dental application.