Dental Materials NBDHE Latest Update
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What is the primary purpose of using dental materials in restorative procedures?
To restore the function, appearance, and health of teeth affected by decay or damage.
What are the main types of dental materials used for filling cavities?
...
What is the primary purpose of using dental materials in restorative procedures?
✔✔To restore the function, appearance, and health of teeth affected by decay or damage.
What are the main types of dental materials used for filling cavities?
✔✔Composite resins, amalgam, glass ionomer, and resin ionomer.
How does composite resin bond to tooth structure?
✔✔Through a chemical reaction facilitated by bonding agents that adhere the resin to the tooth
surface.
What is the advantage of using glass ionomer cement in dentistry?
1
,✔✔It releases fluoride, which helps in the prevention of further dental decay and has good
adhesion to tooth structure.
Why are dental crowns used in restorative dentistry?
✔✔To provide structural support and protect a weakened or damaged tooth, restoring its shape
and function.
What is the role of a dental impression material?
✔✔To create a detailed mold of the teeth and oral tissues for making restorations, dentures, or
appliances.
What is the main characteristic of a good dental impression material?
✔✔It should have adequate flowability, setting time, and accuracy to capture precise details of
the oral structures.
What are the common types of dental impression materials?
2
, ✔✔Alginate, polyvinyl siloxane (PVS), and polyether.
How does dental amalgam differ from composite resin?
✔✔Dental amalgam is a durable metal alloy used for fillings in posterior teeth, while composite
resin is a tooth-colored material used for both anterior and posterior restorations.
What are the benefits of using zirconia in dental crowns?
✔✔Zirconia is highly durable, has a natural appearance, and is resistant to wear and fracture.
What is the primary purpose of using bonding agents in restorative procedures?
✔✔To enhance the adhesion between dental materials and tooth structure, improving the
longevity and effectiveness of restorations.
How is fluoride released by glass ionomer materials beneficial for dental health?
3
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