A material behaves in certain ways above and below the proportional limit on a stress strin curve, which of the following is correct__________?
Which of the following is correct__________?
Which of the following is present in the powder of the acrylic resin__________?
Boiling point of methyl methacrylate__________?
The main advantage of composites over unfilled direct filling resin is their__________?
Composite has__________?
Acrylic resins are used for__________?
To prevent porosity in self-cure acrylic resin, curing should be carried in__________?
Porosity present in a acrylic denture is usually the result of__________?
Cross linking in denture base resin is contributed by__________?
Hydroquinone is added to methyl methacrylate monomer__________?
Which of the following inhibitor accelerator system uses light activation composite ?
Which of the following is an example of a composite material ?
In heat cure denture base acrylic resins the monomer is__________?
Light cure system, side effect is__________?
Bonding of composite resins to tooth structure is by__________?
The type of spatula used to mix composite is__________?
Which of the following may result if an excessive amount of monomer is incorporated into an acrylic resin mixture ?
Benzoin methyl ether in a polymer indicates that they may be cured in the presence of__________?
Porosity of denture base is due to__________?
The imperfection seen on the lingual flange of a lower denture caused by rapid heating during a curing cycle is called__________?
The particle size in microfilled composites is__________?
A material which is a mixture of two different materials and its properties are__________?
Co-efficient of thermal expansion is highest for__________?
The latest method of curing denture base resins__________?
One of the claims for the superiority composite resin restoration over silicate cement restorations is that the resin restorations__________?
To cure a heat cure resin, a proper heating cycle is necessary__________?
When restoring a tooth with resin material, acid etching can do all of the following except__________?
For esthetic areas where high luster is required the restoration used usually__________?
Which of the following absorbs maximum amount of water ?
The restoration which shows percolation and shrinkage along the margins is__________?
The commonly used laser for curing composite resin is__________?
What is the polymerization shrinkage if 3:1 powder: liquid ratio is used__________?
Macromolecules in Dental Resin is attached by__________?
Along with polymerisation shrinkage, one of the major disadvantages of polymethyl methacrylate as denture base resin are its poor__________?
The most common coupling agents are organic silicon compound called__________?
One bottle system of adhesive resins__________?
Most advantageous indication of acid etching is__________?
VLC resins are also called as__________?
Cold cure acrylic expand in water by__________?
Which of the following is NOT true of polymethyl methacrylate ?
Etchant preferred in gel from than in liquid form__________?
During polymerisation of acrylic resin, above what temperature benzoyl peroxide form freeradicals__________?
Etching depth after 30 sec for orthodontic bracket with orthophosphoric acid is__________?
The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is__________?
Residual monomer content of chemically activated resins is__________?
Dentin conditioner has the following function__________?
The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as__________?
Denture acrylics contain cross-linking agents mainly to improve their__________?
Subsurface porosity is due to__________?
If resin is packed in sandy stage what will be seen in the processed denture ?

Amalgam means_____________?

A. A metallic powder composed of silver, tin, copper and zinc
B. An alloy of two or more metals one of which is mercury
C. An alloy of two or more metals that have been dissolved in each other in the molten state
D. A metallic substances in powder or tablet from that is mixed with mercury

Correct Answer: An alloy of two or more metals one of which is mercury ✔

Last Updated: February 07, 2020