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DA 309
MOD 3 Test 2
Question | Answer |
---|---|
what does acid etch usually consist of | maleic acid or phosphoric acid |
The release of this by some varnishes helps with hypersensitivity in cervical areas | fluoride |
Do you glass ionomers release fluroide | yes |
how many classes of restorations are there | six |
What classes of restorations would a matrix system be used on | Class II, ClassIII and class IV |
What is the procedure after etching if the tooth becomes contaminated with saliva | start over |
What are examples of a direct restorative materials | Amalgam, Composite resins and glass ionomers |
When a material in a tooth expands and contracts it allows for this to happen | Microleakage |
What is the process of conservatively removing defective or decayed tooth structure or failed dental restoration while leaving maximum healthy tooth structure to support a restoration. | Cavity preperation |
The expansion and contraction of a dental restorative material within a restoration refers to its? | Thermal properties |
What is the measurement of how much a material will dissolve in a liquid? | Solubility |
The ability of a material to flow over a surface is called? | Wettability |
a soft metal made of alloy mixed with mercury to restore teeth | amalgam |
What type of restoration can be manipulated, adapted, and placed into the cavity preparation? | Direct |
What causes the sedative effect when using zinc oxide eugenol? | Eugenol |
What causes anterior resins to have a higher polish ability than posteriors? | Micro-filler |
What is placed if there is a pulp exposure or the cavity comes to close to the pulp? | An indirect pulp cap |
Another name for Dycal | Calcium Hydroxide |
The correct sequence when laying supplementary materials for a restoration on a deep cavity preparation | Liner,base,dentin sealer, and bonding system |
Where in the dental preparation is the dental liner placed? | In the deepest portion of the dental preperation |
Why do we overfill the cavity preparation with amalgam | to allow for carving |
What are the rock like particles that add strength to a composite resin? | Fillers |
What is used to protect the tooth from damaging effects of moisture? | Varnish |
What is another product placed between the liner and the permanent restoration to help protect the pulp? | Base |
Materials or low-viscosity resins that are used to improve retention between two objects, such as enamel and dentin, and the restoration are called what? | Bonding agents |
What agents are used for sealing dental tubules, bonding enamel to repair fractured teeth, and bonding amalgam to dentin for a restoration. | Bonding |
mixture of metals | Alloy |
The resistance of a material to flow | Viscosity |
The property of being shaped or formed under pressure without breaking | Malleability |
A soft metal made of alloy mixed with mercury to restore form and function of teeth | Amalgam |
A gold, porcelain, or resin filling made to fit a prepared cavity cemented or bonded in place to restore a decayed or broken tooth | Inlay |
Tooth colored filling material made of silica or porcelain particles interlaced with liquid resin | Composite Resin |
To mix together, usually referring to the mixing of alloy with mercury to form amalgam | Triturate |
Adhering tooth colored resin composite to tooth surface to create a bond | Bonding |
A gold , porcelain, or resin filling that covers one or more cusps of a tooth; used to restore a decayed or broken tooth | Onlay |