18 Questions
What is the primary function of dental implants?
To serve as replacements for the root of a missing natural tooth
What is osseointegration, as defined on the light microscopic level?
A direct structural and functional connection between living bone and the surface of an implant
What are the three primary groups of dental implant materials?
Metals, Polymers, and Ceramics
What type of biomaterial is characterized by minimal interaction with surrounding tissue?
Bioinert
What is an example of a bioactive material?
Synthetic Hydroxyapatite
What is the term for the process by which bone grows in close apposition to the implant surface?
Contact Osteogenesis
What is the result of ion exchange between bioactive materials and host tissue?
Formation of a chemical bond along the interface
What is the characteristic of biotolerant materials?
They are surrounded by a fibrous layer
What is the most common type of dental implant used today?
Endosseous implant
What is the characteristic of transosteal implants?
They penetrate the two cortical plates
What are dental implants classified into?
Metals, Ceramics, and Polymers
What is the characteristic of titanium?
It is 6 times stronger than compact bone
What is the characteristic of titanium compared to compact bone?
Its modulus of elasticity is 5 times greater
What is the purpose of molybdenum in cobalt-chromium-molybdenum alloys?
To provide strength and stabilize
Which of the following ceramic materials is not bioactive?
Aluminum oxide
What was the outcome of the early work with methyl methacrylate resin implants?
Mostly failures
What is a disadvantage of polymers as biomaterials?
Inferior mechanical properties
What is the purpose of chromium in cobalt-chromium-molybdenum alloys?
To provide corrosion resistance
Learn about dental implants, their classification into metal and ceramic types, and the process of osseointegration. Understand how they serve as replacements for missing natural tooth roots.
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