Dental Implants: Classification and Materials
18 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the primary function of dental implants?

  • To restore the natural bone structure of the jaw
  • To serve as replacements for the root of a missing natural tooth (correct)
  • To support the facial structure
  • To enhance the aesthetic appeal of the facial features

What is osseointegration, as defined on the light microscopic level?

  • A surgical procedure for implant placement
  • A direct structural and functional connection between living bone and the surface of an implant (correct)
  • A chemical bond between the implant and surrounding bone
  • A mechanical fit between the implant and surrounding bone

What are the three primary groups of dental implant materials?

  • Hydroxyapatite, Glass Ceramic, and Bioglass
  • Titanium, Stainless Steel, and Alumina
  • Biotolerant, Bioinert, and Bioactive
  • Metals, Polymers, and Ceramics (correct)

What type of biomaterial is characterized by minimal interaction with surrounding tissue?

<p>Bioinert (B)</p> Signup and view all the answers

What is an example of a bioactive material?

<p>Synthetic Hydroxyapatite (B)</p> Signup and view all the answers

What is the term for the process by which bone grows in close apposition to the implant surface?

<p>Contact Osteogenesis (C)</p> Signup and view all the answers

What is the result of ion exchange between bioactive materials and host tissue?

<p>Formation of a chemical bond along the interface (D)</p> Signup and view all the answers

What is the characteristic of biotolerant materials?

<p>They are surrounded by a fibrous layer (B)</p> Signup and view all the answers

What is the most common type of dental implant used today?

<p>Endosseous implant (C)</p> Signup and view all the answers

What is the characteristic of transosteal implants?

<p>They penetrate the two cortical plates (B)</p> Signup and view all the answers

What are dental implants classified into?

<p>Metals, Ceramics, and Polymers (C)</p> Signup and view all the answers

What is the characteristic of titanium?

<p>It is 6 times stronger than compact bone (A)</p> Signup and view all the answers

What is the characteristic of titanium compared to compact bone?

<p>Its modulus of elasticity is 5 times greater (B)</p> Signup and view all the answers

What is the purpose of molybdenum in cobalt-chromium-molybdenum alloys?

<p>To provide strength and stabilize (C)</p> Signup and view all the answers

Which of the following ceramic materials is not bioactive?

<p>Aluminum oxide (C)</p> Signup and view all the answers

What was the outcome of the early work with methyl methacrylate resin implants?

<p>Mostly failures (B)</p> Signup and view all the answers

What is a disadvantage of polymers as biomaterials?

<p>Inferior mechanical properties (D)</p> Signup and view all the answers

What is the purpose of chromium in cobalt-chromium-molybdenum alloys?

<p>To provide corrosion resistance (C)</p> Signup and view all the answers

Flashcards

Primary Function of Dental Implants

Serves as a replacement for the root of a missing natural tooth.

Osseointegration

Direct structural and functional connection between living bone and the implant surface.

Three Primary Dental Implant Material Groups

Metals, Polymers, and Ceramics.

Bioinert Material

Minimal interaction with surrounding tissue.

Signup and view all the flashcards

Example of a Bioactive Material

Synthetic Hydroxyapatite

Signup and view all the flashcards

Contact Osteogenesis

Bone grows in close apposition to the implant surface.

Signup and view all the flashcards

Result of Ion Exchange

Formation of a chemical bond along the interface

Signup and view all the flashcards

Biotolerant Material

Surrounded by a fibrous layer.

Signup and view all the flashcards

Endosseous Implant

The most common type of dental implant.

Signup and view all the flashcards

Transosteal Implant

Penetrates the two cortical plates.

Signup and view all the flashcards

Dental Implant Classification

Metals, Ceramics, and Polymers.

Signup and view all the flashcards

Titanium Strength

6 times stronger than compact bone.

Signup and view all the flashcards

Titanium Modulus of Elasticity

5 times greater than that of compact bone.

Signup and view all the flashcards

Molybdenum in Cobalt-Chromium-Molybdenum Alloys

Provides strength and stabilizes the alloy.

Signup and view all the flashcards

Non-Bioactive Ceramic Material

Aluminum Oxide

Signup and view all the flashcards

Outcome of Early Methyl Methacrylate Resin Implants

Mostly failures.

Signup and view all the flashcards

Disadvantage of Polymers as Biomaterials

Inferior mechanical properties.

Signup and view all the flashcards

Chromium in Cobalt-Chromium-Molybdenum Alloys

Provides corrosion resistance.

Signup and view all the flashcards

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser