| A | B |
|---|
| biofilm | slime producing bacterial communites that may also harbor fungai, algse and protoza |
| legionella | bacterium responsible for legionellosis |
| micro-filtration | use of membrane filters to trap microorganisms suspended in water |
| colony-forming units | mimimum number of separable cells on the surface of semisolid agar medium that create a visible conlony |
| dental unit water line | made of small bore plastic tubing and are used to deliver dental treatment water |
| self contained water resevoir | container that is used to hold and supply water or other solutions to hand pieces and air water syringes attached to a dental unit |
| antiretraction | entry of fluids and microorganisms into waterlines as a result of negative water pressure. Also known as "suck back" |
| planktonic bacteria | bacteria floating in water |
| presence of bacteria first reported in dental unit waterlines | 30 years ago |
| where is biofilm found | suction tips, hand piece waterlines |
| should water be heated in dental units to kill bacteria | NO |
| biofilm in dental waterlines ever be completely eliminated (T/F) | TRUE |
| sterile water used in a dental water line will enter the patient's mouth as sterile water (T/F) | FALSE |
| How often should microfilters in waterline be changed | according to manufacturers directions |
| According to CDC guidelines, whom should you contact when selecting a chemical for the dental unit | equipment manufacturer |
| according to CDC guidelines, what type of water must be used as an irrigant for sugery involving bone | sterile water |
| the HVE should be used when? | with high speed handpiece, with ultrasonic scaler, w/air water syringe |
| what type of PPE is especially critical when aerosal is being generated | eyewear and mask |
| flushing dental unit water lines _____ remove biofilm | WILL NOT |
| Use of a rubber damm | does not totally eliminate the dental assistan's exposure to microorganisms |
| what dental units are more commonly referred to by number and not name | pliers |
| what part of instrument is located between the handle and the working end | shank |
| what instrument classification is used to remove decay | hand cutting |
| besides indirect vision the mirror is used for? | retraction |
| main characterisitc of the working end of the explorere is | pointed |
| what instrument is used to measure the sulcus of a tooth | peridontal probe |
| what instrument is similar to spoon excavator in appearance and use | black spoon |
| instrument used to carve the interproximal portion of the tooth preparation | hollenbach |
| this instrument is used to pack amalgam in the tooth preparation | condensor |
| what kind of instrument is a discoid-cleiod | carver |
| what type of scizzors would commonly be seen on a restorative tray setup | crown and bridge |
| Howe pliers are referred to as | 110 pliers |
| newly titruated amalgam is placed where before it is packed in the amalgam carrier | amalgam well |
| on which tooth surface would the Hollenback carver be used to carve amalgam | lingual |
| What instrument is part of basic setup? spoon excavator, carver, cotton pliers, condensor | cotton pliers |
| tactile | to have sense of touch or feeling |
| working end | portion of dental instrument that is used on tooth surface or for mixing dental materials |
| beleved | refers to working end of an instrument that is sklanted or angled |
| flat edge of the working unit that is flat enough to cut | blade |
| working end of the explorer has a ____? | nib |
| serrated instrument | has notchedlike projections that extend from a flat surface |
| flat or level surface | plane |
| what contributes most to bacteria in waterline | communitry water supply |
