impression matrials
Terms
undefined, object
copy deck
- is an impression a negative or a positive reproduction?
- negative reproduction
- of the three classifications of impression, which can the EFDA legally take?
- bte registration,preliminary impressions
- which of the three classifications of impressions,is used for occlusal relationships?
- bite registrations
- which type of impression tray covers half the arch?
- Quadrant tray
- which type of tray allows impression materials to lock on mechanically
- solid platic tray
- what is used to extend the length of a tray?
- utility wax
- why would you selct a fast-set alginate overe a normal-set alginate
- for a patent with a severe gag reflux
- what is the water to powder ratio for taking a maxillary impression?
- 3 measures of water is mix with powder
- what does the prefix "hydro"mean?
- water
- what is another name for irrevesible hydrocolloid?
- alginate
- what is another name for irreversible hydrocolloid?
- alginate
- before an impression is taken with reversible hydrocolloid, where is the material kept?
- in a conditioning bath
- is an elastomeric material used for preliminary impressions or final impressions?
- final impression
- in which three ways are elastomeric materials supplied?
- paste system, automix system, mixing unit system,cartidges table top or wall mounted putty system
- what materials does the dentist first apply to the teeth-the heavy bodied or the light-bodied form?
- light bodied
- what is another term for polysulfide?
- rubber base
- how is light-bodied material placed around a prepared tooth?
- the dentist place it over and around the surrounding tissues
- what matrial is used most often for a bite registration?
- polysiloxane
- what type of tray is used when zoe bite registration paste is applied?
- guaze tray
- do you cool or warm the waxbefore placing the tray in the paiteints mouth for a bite registration?
- it's warmed
- do you mix irreversible hydroclloid on a pad or in a bowl?
- bowl
- impression tray
- full arch, quadrant tray section tray
- types of impressions
- preliminary final bite registration
- why we take impressions
- pretreatment and posttreatment records,orthodontic appliances,and provisional coverage
- final impressions
- creates indirect restorationpartial or full dentures and implants
- seting time for alginate
- room temperture is best but warmer water will set quickly
- reversible hydrocolloid comes in what state?
- can transform from liquid to gel like ice cream
- elastomatic impression materials are self curing how are they supplied
- as a base and a catalyst comes in a tube or cartridge or putty in a jar
- elastomeric impression materials are supplyied in three forms
- light bodied,regular, and heavy bodied
- the curing reaction polymerization ocurrs in three stages
- initial set, final set, final cure which takes 1 to 24 hours