Chapter 33
Movement of the fingers and wrist only.
Class II Motion
Explorer used to check around margins of crowns and restorations for recurrent decay.
Orbin Explorer
The high speed hand piece uses what type of locking mechanism
Friction grip
Placed over the Stensons duct.
Dry-Angles
Rounded enamel extensions on the incisal edges.
Mamelons
When the dentist must be within the immediate surroundings as a dental assistant performs an expanded function, the dentist is in
Direct supervision
The instrument used for Occlusal Carving
Cleoid / Discloid Carver
What is the locking mechanism for slow speed
Latch type
The oral evacuator is held by the assistant in a ____________ grasp
A space between the central incisors.
Diastema
A finger rest is also called the
Fulcrum
Indirect vision
Reflection
Retraction
Tissue protection
Blades on the working end of a finishing rotary instrument that resemble pleats are called
Flutes
Only rinsing the single tooth or area the dentist is working on.
Limited mouth rinse
The smallest teeth in the permanent dentition are the
Mandibular incisors
The zone the dental tray and supplies are located in.
Static Zone
The instrument used primarily for the removal of decay and soft dentin is a(n)
Spoon excavator
Handpiece used for prophy procedures.
Hygiene slow speed handpiece.
What type of suction is used for a Full mouth rinse?
Saliva ejector
Which teeth usually have two roots?
The operator’s zone for a right-handed dentist is from ____________ o’clock.
7-12
Which of the following is an example of an accessory instrument?
Articulating paper holder, Spatula, syringe
Bur used for adjusting partial, dentures and other dental items outside the mouth.
Lab Bur
What type of suction is used for restorative procedures?
HVE
What is the outer most layer of the tooth structure
Enamel