Dental Assistant Chapter 19 Flashcards

examination instruments

allow dentist to examine the health status of the teeth and oral cavity

tooth preparation instruments

allow the dentist to manually remove decay and to smooth, finish, and prepare the tooth structure to be restored

restorative instruments

allow dentist to place, condense, and carve the dental material to the original anatomy of the tooth surface

accessory instrument

multi-purpose instruments added to the setup of many procedures; used for preparing the set up, carrying thing to mouth, or in the application or placement of the dental material easier

handle

portion of instruments where operator grasps or holds

shank

portion of instrument that connects the handle and the working end

working end

portion of instrument with specific function

mouth mirror (examination instrument)

allows vision, light reflection, reaction, and tissue protection

explorer (examination instrument)

touches tooth structure to distinguish between healthy/diseased tooth structure

cotton pliers (examination instrument)

carry/place items within mouth fig. G

periodontal probe (examination instrument)

measures the pocket depth of the gingival sulcus

excavator (tooth preparation instruments)

removes soft dentin debris, and decay from tooth

hatchet (tooth preparation instruments)

smooths the walls and floors of tooth preparation

hoe (tooth preparation instruments)

smooths the walls and floors of tooth preparation

chisel (tooth preparation instruments)

smooths the enamel margin, forms sharp line and point angles, and place retention grooves

gingival margin trimmer (tooth preparation instruments)

places a bevel along the gingival margin of a tooth preperation

amalgam carrier (restorative instruments)

used to carry amalgam to prepared tooth

amalgam condenser(restorative instruments)

condenses amalgam into the tooth preperation

discord-cleoid carver (restorative instruments)

carves the amalgam on the occlusal surface to create normal anatomic apperance

hollenback carver (restorative instruments)

carves the amalgam at the proximal surfaces to create a normal anatomic apperance

burnisher (restorative instruments)

smooths and burnishes the amalgam before hardens

composite instrument (restorative instruments)

carries and helps adapt the composite resin material to the tooth preparation

restorative instruments

double ended

rotary instruments

include the dental hand piece and revolving mechanisms ( which include cutting and finishing burs, polishing tips and points, and abrasive discs and stones) that fit in hand piece

scissors (straight and curves) (accessory instruments)

used for cutting/shaping, and trimming items in dental procedure

pliers (accessory instruments)

carry, place, and remove items in the mouth

matrix retainers (accessory instruments)

aka toffelmier retainer: holds band (provides artificial wall around tooth for placing dental mater-in posterior teeth)

matrix band(accessory instruments)

holds tooth (provides artificial wall around tooth for placing dental mater-in posterior teeth)

articulating paper holder (accessory instruments)

Miller forcet: hold a carbon-like paper to help adjust patients bite after a new restorartion

low speed hand piece

aka straight hand piece because straight line design,used for finishing, polishing, and contouring procedures

contra-angle attachments

available in both latch type and friction grip varities

prophy angles

aka prophylaxis angles, used to hold polishing cups and brushes

Why is there a water coming out a highspeed tool.

to protect tooth from friction heat caused by high speed of bur; are equipped with watery spray devices

fiber-optic light hand pieces

high speed with hand pieces that are available with fiber-optic lights mounted in the head of the hand piece

problems with dental hand pieces

most often result from improper cleaning of the hand pieces before sterilization can result in collection of debris in internal parts of the hand piece CLEAN WITH OIL NEVER RUNNING WATER