EFDA Practice Questions Questions and Answers 2024/2025
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Course
EFDA
Institution
EFDA
In the Federation Dentaire International System for numbering, the first number represents a
_________, while the second number represents a _________.
quadrant, tooth
What is the visible portion of the anatomical crown known as?
the clinical crown
The area where the roots divide
...
A thin soft tissue that is loosely attached to the underlying bone
alveolar mucosa
T or F
Undue stress continually placed on the body can contribute to lower back pain, circulatory
problems, muscle aches, and tension
True
When seated, the thighs should be _______ to the floor
parallel
The chair is raised or lowered to achieve ____ to ____ inches distance between the patient's
face and the operator's face
12 to 14
The back of the patient chair is raised until its angle to the floor is ______ degrees
25-45
The three basic parts of an instrument are
the working end, shank, and handle
1|Page| GradeA+ | 2 0 0 2 5
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