In the Federation Dentaire International System for numbering, the first number represents a _________, while the second number represents a _________. - ANSWER quadrant, tooth
What is the visible portion of the anatomical crown known as? - ANSWER the clinical crown
The area where the roots d...
in the federation dentaire international system fo
what is the visible portion of the anatomical crow
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Questions &
Answers(RATED A)
In the Federation Dentaire International System for numbering, the first number represents a
_________, while the second number represents a _________. - ANSWER quadrant, tooth
What is the visible portion of the anatomical crown known as? - ANSWER the clinical crown
The area where the roots divide - ANSWER furcation
The point or area where approximating teeth in the same arch touch or meet each other is referred to as
the ________. - ANSWER contact area
Where are the TWO purposes of contact areas? - ANSWER -to keep food from packing between the
teeth
-help stabilize the dental arches
Coronal to the actual division into two or more roots is a concavity that extends to or nearly to the CEJ.
This concavity is called - ANSWER the furrow
What is the HARDEST tissue in the body? - ANSWER enamel
What cells form enamel? - ANSWER ameloblasts
, The bulk of the tooth is made up of - ANSWER dentin
In permanent teeth, the process of enamel formation is completed about ___ years before eruption. -
ANSWER 3
What is the composition of enamel? - ANSWER 95% inorganic matter, 5% organic matter and water
What is the SECOND hardest material in the body? - ANSWER dentin
Undue stress continually placed on the body can contribute to lower back pain, circulatory problems,
muscle aches, and tension - ANSWER True
When seated, the thighs should be _______ to the floor - ANSWER parallel
The chair is raised or lowered to achieve ____ to ____ inches distance between the patient's face and
the operator's face - ANSWER 12 to 14
The back of the patient chair is raised until its angle to the floor is ______ degrees - ANSWER 25-45
The three basic parts of an instrument are - ANSWER the working end, shank, and handle
When seated, the lower legs should be _______ to the floor - ANSWER perpendicular
If the operator needs to lean forward, it should be done by bending at the - ANSWER hips or neck
What will increase visibility to the lingual surfaces of the mandibular anterior teeth? - ANSWER having
the patient tilt their chin down
The flat, smooth working end of a condenser is referred to as - ANSWER the nib
, The FOUR basic principles of instrument use - ANSWER grasp, finger rest, adaption, activation
What grasp offers the GREATEST control of instrumentation during dental procedures in the oral cavity? -
ANSWER modified pen grasp
The relationship between the working end of the instrument and the tooth surface - ANSWER adaption
The point of support or rest from which the hand moves to activate the instrument and obtain the best
position or adaption - ANSWER finger rest or fulcrum
The movement of the instrument - ANSWER activation
Most cavers are designed to _____ material rather than push it - ANSWER pull
What are known as the OLDEST method used for retraction and dryness and are recommended for
isolation during SHORT procedures? - ANSWER cotton rolls
T or F
Cotton rolls should be adjacent to the parotid and sublingual gland ducts to absorb the flow of saliva
coming from these ducts - ANSWER True
T or F
The advantage of a cotton roll holder is that the cheek and tongue are SLIGHTLY retracted thus giving
better visibility - ANSWER True
The part of the rubber dam clamp that is expanded to fit over a tooth - ANSWER jaw
A general guideline to placing a rubber dam is to isolate at least ____ tooth distal, and _____ teeth
mesial to the tooth being restored. - ANSWER one tooth distal, two teeth mesial
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