Review Final Flashcards
What are the best means when trimming your models
Wax bite
When you select an impression tray and it doesn’t fit what do you use?
Periphery wax
When you try your maxillary tray what does it have to cover in the posterior region
Tuberosity
What do you cement temporary crowns in the mouth with
Zinc oxide
What’s in dental Alloy
Silver (main one) copper, tin, zinc and Mercury
Dental stone vs plaster
Stronger
What material dominates the field of restorative
Composite
Lutting
1inch string that breaks And spreads
Base
Putty like consistency used for a temporary restoration
What are the two types of retention when talking about restorative materials
Mechanical and chemical
Which cements are permanent?
Zinc phosphate, ploy carboxylate, glass ionomers
Which cements are temporary
ZOE zinc oxide
What’s the best way to prevent retention between a tooth in the restoration?
Bonding
What’s the best way to prevent gagging when taking an impression
Tell the patient to breathe through their nose
When using a light cure what is our safely ?
Eyewear or shield
What’s the best way to pick out a shade tooth color for your patient?
In the natural light
What does Anticariogenic do?
Stops decay
Which type of cement is best for Anticariogenic?
Glass ionomers because it contains fluoride
Which product can promote secondary Dentin
Cavity liner
Which gives off exothermic heat
Zinc phosphate
Over trituration
Dry and brittle
Under trituration
Crumbly and not mixed right
What is cavity varnish used for ?
To seal dentinal tubules
What’s the sub base applicator used for besides sealants ?
Calcium hydroxide (Cavity liner)
Which cement needs to be and has to be according to the manufacturer directions mix on the glass slab
Zinc phosphate
Increasing the temperature would either increase decrease the setting time of cements?
Decrease
A cool glass slab before mixing on it will, increase or decrease ?
Increase
What gives amalgam is plasticity?
Mercury
Why do we polish an amalgam restoration ?
To bring the Mercury to the top and it makes it all nice and smooth so plaque doesn’t attack it
What’s the purpose of acid etching
It makes the surface rust to make a better restoration
What’s an advantage of a light cure product ?
The operator has control of the setting time
What’s the best method of changing your setting time of alginate
Temperature of the water
If you increase the temperature of the water will that decrease or increase
Decrease
When your plaster or stone is setting what will happen to it
Expand
What can you use to put your impressions in until you have the time to pour them up
Humidor
Dental amalgam final set time is -
24-48 hours
Mercury toxicity in the dental office
Ventilation and initiation
What are the 3 spills
400 600 800
Which poly takes the longest and has a horrible odor
Ploy sulfide
What is the temperature of an alginate
68-70 (room temperature)
Chelation
Ability to bond to a tooth
A.N.S.I
American national standard institute
