100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
EFDA Practice Questions Questions and Answers 2024/2025 $13.49   Add to cart

Exam (elaborations)

EFDA Practice Questions Questions and Answers 2024/2025

 4 views  0 purchase
  • 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 ...

[Show more]

Preview 4 out of 33  pages

  • October 10, 2024
  • 33
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • EFDA
  • EFDA
avatar-seller
TestTrackers
2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!


EFDA Practice Questions Questions and
Answers 2024/2025
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

 furcation


The point or area where approximating teeth in the same arch touch or meet each other is

referred to as the ________.

 contact area


Where are the TWO purposes of contact areas?

 -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

 the furrow


What is the HARDEST tissue in the body?

1|Page| GradeA+ | 2 0 0 2 5

,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 enamel


What cells form enamel?


 ameloblasts


The bulk of the tooth is made up of

 dentin


In permanent teeth, the process of enamel formation is completed about ___ years before

eruption.


 3


What is the composition of enamel?

 95% inorganic matter, 5% organic matter and water


What is the SECOND hardest material in the body?

 dentin


What is the composition of dentin?

 70% inorganic, 20% organic, 10% water


The three major types of dentin


 primary, secondary, reparative


What type of dentin is a DEFENSE reaction to an area of injury?



1|Page| GradeA+ | 2 0 0 2 5

,2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 reparative dentin


What has the HIGHEST fluoride content of all the materialized tissue?


 cementum


The two types of cementum

 acellular and cellular


What type of cementum ACTIVELY produces new layers of cementum throughout the life of the

tooth?


 cellular


What teeth have the cusp of Carabelli?

 maxillary first molars


The ridge formed by the union of two triangular ridges

 transverse ridge


The spillway provides an escape for food from the _______ surface during the mastication

(chewing) process.


 occlusal


The uncut tooth structure adjacent to the cavity prep

 cavosurface


line angle

1|Page| GradeA+ | 2 0 0 2 5

, 2 0 2 4 /2025 | © copyright | This work may not be copied for profit gain Excel!

 two walls


point angle


 three walls


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

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

Guaranteed quality through customer reviews

Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.

Quick and easy check-out

Quick and easy check-out

You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.

Focus on what matters

Focus on what matters

Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!

Frequently asked questions

What do I get when I buy this document?

You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.

Satisfaction guarantee: how does it work?

Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.

Who am I buying these notes from?

Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.49. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

67096 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.49
  • (0)
  Add to cart