Instrumentation & Nomenclature Flashcards
What is this?
Dental Mirror/Mouth Mirror
What are the functions of dental mirrors?
Observing tooth using indirect vision
Reflecting light onto tooth for examination
Retracting tissue
What is this?
Dental explorer/ Sickle Probe/ Dental probe
What are the functions of sickle probes? What are they also known as?
Dental explorer
To check margins of cavities
To check interface between a restoration and the tooth surface (cavosurface margin)
A new dentist is using a sickle prove to check a tooth for caries. What should he be aware and careful of?
Do not push into an area where enamel caries is suspected. It can cause cavitation of the enamel surface; or damage; that may impair remineralization
What is this?
Flat plastic instrument
What is the function of a flat plastic instrument?
Insertion, placement and shaping of plastic restorative materials
What are these?
Composite Insertion Instruments
What are these?
Tweezers/College Pliers
What are these? What are they used for?
Scissors
Cutting and trimming items you work with, such as interdental sections of dental dam during removal
What are these?
Periodontal probes
What are the function of these?
they have gradations in milimetres
Used to measure:
- Depth of periodontal pockets for determining periodontal disease
- Length of cutting part of bur
- Depth of cavity and cavity dimensions
- Dimensions of soft tissue lesions
What are some hand cutting instruments?
Spoon excavators
Gingival margin trimmers
Chisel
Hatchet
What is this?
Chisel, part of hand cutting instruments
What are these?
Mesial and Distal Gingival margin trimmers, part of hand cutting instruments
What is this?
Spoon Excavator, part of hand cutting instruments
What is this?
Hatchet, part of hand cutting instruments
What are to instruments you would use for mixing?
Cement Spatula
Dycal Applicator
What is this
Cement spatula
What is this?
Dycal Applicator
What are the 3 parts of a hand instrument?
Blade, Shank, Shaft
Label
What are instruments used for amalgams?
Condesner/Plugger
Half Hollenback carver
Amalgam Carrier and Amalgam Well
Amalgam Carrier and Silicone Cup
Condenser/plugger
for amalgams
What is this?
Half Hollenback carver , for amalgams
A hatchet has a 3-unit pattern of 10 - 7- 14
What does this mean?
blade width of 1 mm
blade length of 7 mm
blade angle of 14 centigrade. This is the angle with regards to the axis of the handle.
When do you see a 4-unit pattern?
When the cutting edge is at an angle other than 90 degrees to the blade length
The distal marginal trimmer as this formula : 12-95-10-12
What does it mean?
1.2 mm blade width
95 degrees centigrade cutting edge and long axis of shaft
10 mm blade length
14 centigrade blade angle from axis of handle/shaft
What is this?
High-speed handpiece
What is this?
Slow-speed handpiece
What type of hand piece has different angles and gear ratios?
Slow-speed
What are the materials dental burs are generally made from?
Steel, tungsten carbide (stainless steel shank), or diamond (stainless steel shank)
What are the 3 shank types of dental burs?
Friction Grip (turbine bur)
Latch-type or contra-angle/right angle type
Handpiece/Straight burs
What type of grip is preferred for hand pieces?
Modified pen grip
