Hottel EFDA Exam | Expanded Functions Dental Auxiliary (EFDA)
Examination | Featuring ARE clinical examination (Anterior Composite
Restoration, Posterior Amalgam Restoration, Posterior Composite
Restoration) and ACE Computer-Based Examination | Newest Exam
2025
What is the operating zone for the right handed operator relative to the patient's
face ---------CORRECT ANSWER-----------------8-12 o'clock zone
Ideally, the distance from operator face to the patient face should be ---------
CORRECT ANSWER-----------------12-14 inches
When restoring a maxillary tooth best visual access can be obtained with the
patient reclined in a supine position. The plane of the maxillary arch is ---------
CORRECT ANSWER-----------------Perpendicular to the floor
When restoring a mandibular tooth,
Best visual access can be obtained with the patient reclined with the back of the
chair angled slightly up(30-40 degrees). The plane of the mandibular arch is --------
-CORRECT ANSWER-----------------Parallel to the floor
,What instruments are used to place amalgams, composite resin's and temporary
filling materials into cavity preparation's ---------CORRECT ANSWER-----------------
Compactors
What instruments are used to remove excess amalgam, composite resin's and
temporary materials after the material has been placed in the cavity preparation -
--------CORRECT ANSWER-----------------Carvers
What instruments are used to rub and smooth amalgam after it has been placed
in the cavity preparation ---------CORRECT ANSWER-----------------Burnisher
Most hand instruments are made up of what three parts ---------CORRECT
ANSWER-----------------Handle, shank, working end
The working end of a carver (discoid/cleoid) has a cutting edge divided into three
general areas. They are: ---------CORRECT ANSWER-----------------the tip, side and
heel
What instruments are designed to finish and polish amalgam and composite
restorations ---------CORRECT ANSWER-----------------rotary
, The instrument grasp that offers the greatest control during performance of
restorative procedures in the oral cavity ---------CORRECT ANSWER-----------------
Modified pen grasp
True or false: a second finger is used as a fulcrum ---------CORRECT ANSWER---------
--------False
A carver should be adapted at a __________ degree angle to the surface being
carved. ---------CORRECT ANSWER-----------------90
What is the function of the index finger in the modified pen grasp ---------CORRECT
ANSWER-----------------holds the instrument handle opposite the thumb
How does the EFDA accomplish activation (movement) of an instrument in order
to avoid muscle cramping and fatigue? ---------CORRECT ANSWER-----------------
Moving the hand, wrist and forearm as one unit, keeping a secure fulcrum
What are the advantages of working in a dry field? ---------CORRECT ANSWER-------
----------Better visibility, prep stays clean and dry, Materials develop properly and
easier access for placement of materials
Examination | Featuring ARE clinical examination (Anterior Composite
Restoration, Posterior Amalgam Restoration, Posterior Composite
Restoration) and ACE Computer-Based Examination | Newest Exam
2025
What is the operating zone for the right handed operator relative to the patient's
face ---------CORRECT ANSWER-----------------8-12 o'clock zone
Ideally, the distance from operator face to the patient face should be ---------
CORRECT ANSWER-----------------12-14 inches
When restoring a maxillary tooth best visual access can be obtained with the
patient reclined in a supine position. The plane of the maxillary arch is ---------
CORRECT ANSWER-----------------Perpendicular to the floor
When restoring a mandibular tooth,
Best visual access can be obtained with the patient reclined with the back of the
chair angled slightly up(30-40 degrees). The plane of the mandibular arch is --------
-CORRECT ANSWER-----------------Parallel to the floor
,What instruments are used to place amalgams, composite resin's and temporary
filling materials into cavity preparation's ---------CORRECT ANSWER-----------------
Compactors
What instruments are used to remove excess amalgam, composite resin's and
temporary materials after the material has been placed in the cavity preparation -
--------CORRECT ANSWER-----------------Carvers
What instruments are used to rub and smooth amalgam after it has been placed
in the cavity preparation ---------CORRECT ANSWER-----------------Burnisher
Most hand instruments are made up of what three parts ---------CORRECT
ANSWER-----------------Handle, shank, working end
The working end of a carver (discoid/cleoid) has a cutting edge divided into three
general areas. They are: ---------CORRECT ANSWER-----------------the tip, side and
heel
What instruments are designed to finish and polish amalgam and composite
restorations ---------CORRECT ANSWER-----------------rotary
, The instrument grasp that offers the greatest control during performance of
restorative procedures in the oral cavity ---------CORRECT ANSWER-----------------
Modified pen grasp
True or false: a second finger is used as a fulcrum ---------CORRECT ANSWER---------
--------False
A carver should be adapted at a __________ degree angle to the surface being
carved. ---------CORRECT ANSWER-----------------90
What is the function of the index finger in the modified pen grasp ---------CORRECT
ANSWER-----------------holds the instrument handle opposite the thumb
How does the EFDA accomplish activation (movement) of an instrument in order
to avoid muscle cramping and fatigue? ---------CORRECT ANSWER-----------------
Moving the hand, wrist and forearm as one unit, keeping a secure fulcrum
What are the advantages of working in a dry field? ---------CORRECT ANSWER-------
----------Better visibility, prep stays clean and dry, Materials develop properly and
easier access for placement of materials
