EFDA Dental structure Exam Review | Complete Questions and Answers |100% Correct| Latest Version 2024/2025
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EFDA dental
Institution
EFDA Dental
EFDA Dental structure Exam Review |
Complete Questions and Answers |100%
Correct| Latest Version 2024/2025
Dental arch wires are held in place by Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? Composite Resin
**What is the role of an ...
EFDA Dental structure Exam Review |
Complete Questions and Answers |100%
Correct| Latest Version 2024/2025
Dental arch wires are held in place by Ligature ties and elastomeric ties
Which type of cement is preferred for cementation of ceramic veneers? Composite Resin
**What is the role of an Expanded Functions Dental Assistant (EFDA)?**
They assist the dentist by performing specific tasks like applying sealants, taking
impressions, and polishing teeth under the dentist’s supervision.
**What is the dental pulp, and where is it located?**
The dental pulp is the soft tissue containing nerves and blood vessels, located in the center of
the tooth.
**Which dental material is commonly used by an EFDA for making temporary crowns?**
Composite resin or acrylic is typically used by EFDAs for temporary crowns.
**What does the enamel do in a tooth?**
Enamel acts as a protective outer layer of the tooth, preventing decay and damage.
**What dental procedure is often delegated to an EFDA?**
Application of dental sealants is commonly delegated to an EFDA.
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,**What is the hardest tissue in the human body?**
Tooth enamel is the hardest tissue in the human body.
**What is the significance of dental cement in restorative procedures?**
Dental cement is used to secure crowns, inlays, onlays, and veneers to the tooth structure.
**What are sealants, and why are they important?**
Sealants are thin coatings applied to the surface of teeth, primarily molars, to protect them
from decay.
**What is the primary function of the periodontal ligament?**
It helps anchor the tooth to the surrounding bone and absorbs shock during chewing.
**Which part of the tooth is covered by enamel?**
The crown of the tooth is covered by enamel.
**What instruments are typically used by an EFDA to carve and contour fillings?**
EFDAs use dental carvers like hollenback carvers and discoid-cleoid instruments to shape
and contour fillings.
**How does dentin differ from enamel?**
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, Dentin is softer than enamel and forms the bulk of the tooth, located beneath the enamel.
**What role does saliva play in oral health?**
Saliva helps to neutralize acids in the mouth, cleanse teeth, and begin the digestion process.
**What is dental bonding, and when is it used?**
Dental bonding is a procedure where a tooth-colored resin is applied to the tooth surface to
repair chips or cracks.
**What is the purpose of taking dental impressions?**
Impressions are used to create accurate models of teeth for restorations like crowns, bridges,
or orthodontic appliances.
**What is a composite resin, and why is it commonly used?**
Composite resin is a tooth-colored material used for fillings because it blends in naturally
with the tooth.
**How does fluoride help maintain dental health?**
Fluoride strengthens tooth enamel and helps prevent cavities by making the tooth more
resistant to decay.
**What is the role of the cementum in the tooth structure?**
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, Cementum covers the tooth's root, helping to anchor it to the periodontal ligament.
**Why is polishing teeth important after certain dental procedures?**
Polishing smooths the tooth surface, removes stains, and helps to prevent the accumulation
of plaque.
**Which layer of the tooth contains living cells?**
Dentin contains living cells and is sensitive to temperature and pressure changes.
**What is the role of an EFDA in taking dental radiographs?**
In many states, an EFDA is trained and authorized to take dental radiographs (x-rays) for
diagnostic purposes.
**What dental tool is used to remove decay during cavity preparation?**
A dental handpiece (drill) is used to remove decay during the preparation of a cavity.
**What is the purpose of a dental matrix band?**
A dental matrix band is used to create a temporary wall around the tooth during filling
procedures, preventing overfilling and ensuring proper contouring.
**What are the primary responsibilities of an EFDA in orthodontic care?**
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