Restorative Materials for Dental Restoration: Properties, Applications, and Clinical Significance

Question 1

What is the main function of an adhesive in restorative dentistry?

Accepted Answer

Bonding the restoration to the tooth structure

Answer

Preventing bacterial invasion

Answer

Reducing post-operative sensitivity

Answer

Increasing restoration strength

Question 2

Which of the following is not considered a restorative material typically used in dentistry?

Accepted Answer

Stainless steel

Answer

Amalgam

Answer

Composite resins

Answer

Glass ionomers

Question 3

Which restorative material exhibits the highest compressive strength?

Accepted Answer

Amalgam

Answer

Composite resins

Answer

Glass ionomers

Answer

Resin-modified glass ionomers

Question 4

Which of the following is a potential disadvantage of using amalgam as a restorative material?

Accepted Answer

Poor aesthetics

Answer

High strength

Answer

Low cost

Answer

Excellent biocompatibility

Question 5

Which restorative material is best suited for restoring a tooth with an extensive carious lesion?

Accepted Answer

Resin-modified glass ionomers

Answer

Amalgam

Answer

Composite resins

Answer

Glass ionomers

Question 6

Which of the following disadvantages is NOT associated with using amalgam as a restorative material?

Accepted Answer

Low cost

Answer

Poor marginal adaptation

Answer

Microleakage

Answer

Aesthetically unappealing

Question 7

Which of the following is NOT a commonly used restorative material in dentistry?

Accepted Answer

Acrylic resin

Answer

Amalgam

Answer

Composite resin

Answer

Glass ionomer

Question 8

Which restorative material is preferred for its high strength and durability?

Accepted Answer

Amalgam

Answer

Composite resin

Answer

Glass ionomer

Answer

Zinc phosphate

Question 9

Which type of restorative material has the ability to release fluoride ions?

Accepted Answer

Glass ionomer

Answer

Amalgam

Answer

Composite resin

Answer

Compomer

Question 10

What is the primary component of glass ionomer restorative materials?

Accepted Answer

Glass particles

Answer

Polyacrylic acid

Answer

Hydrofluoric acid

Answer

Hydroxyapatite

Question 11

Which type of composite resin is typically used in posterior restorations?

Accepted Answer

Hybrid

Answer

Microfill

Answer

Ormocer

Answer

Compomer

Question 12

What is the primary function of a bonding agent in composite resin restorations?

Accepted Answer

To enhance adhesion to tooth structure

Answer

To increase the strength of the restoration

Answer

To improve the esthetics of the restoration

Answer

To reduce the risk of secondary caries

Question 13

What is the main role of a liner in restorative dentistry?

Accepted Answer

To reduce microleakage

Answer

To provide thermal insulation

Answer

To promote pulp vitality

Answer

To enhance the bond strength

Question 14

How might emerging technologies, such as AI and tele dentistry, impact the dental profession?

Accepted Answer

Enhance dental practice by automating tasks, improving communication, and increasing accessibility to care.

Answer

Eliminate the need for dentists, as patients can self-diagnose and treat using AI applications.

Answer

Benefit only dentists specializing in technology, creating a divide within the profession.

Answer

Be mere fads with no lasting impact on the dental profession.

Question 15

In selecting a restorative material for a patient, which ethical principle should be prioritized?

Accepted Answer

Respecting the patient's right to informed consent

Answer

Minimizing the patient's financial burden

Answer

Prioritizing the restoration's long-term durability

Answer

Choosing the most convenient material for the clinician

Question 16

In restorative dentistry, why is adhesion crucial? Describe the types of bonding agents used and how they work.

Accepted Answer

Adhesion is vital, strengthening the bond between the tooth and restoration, ensuring its longevity.

Accepted Answer

Self-etching bonding agents simplify the process by combining etching and priming steps.

Answer

Bonding agents are unnecessary in restorative dentistry.

Question 17

For a large, occlusal cavity in a molar, which restorative material is most suitable due to its high strength and wear resistance?

Accepted Answer

Amalgam

Answer

Glass ionomer

Answer

Composite resin

Answer

Compomer

Question 18

Which of these is a key advantage of composite resins over amalgam restorations?

Accepted Answer

Aesthetic appeal

Answer

Lower cost

Answer

Easier placement

Answer

Higher strength

Question 19

The setting reaction of which restorative material primarily relies on an acid-base reaction?

Accepted Answer

Glass ionomer

Answer

Amalgam

Answer

Composite resin

Answer

Compomer

Question 20

How does glass ionomer cement primarily bond to tooth structure?

Accepted Answer

Chemical adhesion

Answer

Micromechanical bonding

Answer

Mechanical retention

Answer

Adhesive resin

Question 21

Which restorative material is most prone to polymerization shrinkage during the curing process?

Accepted Answer

Composite resin

Answer

Amalgam

Answer

Glass ionomer

Answer

Compomer

Question 22

For a patient with a high caries risk, which material is the most suitable choice due to its ability to release fluoride?

Accepted Answer

Glass ionomer

Answer

Compomer

Answer

Amalgam

Answer

Composite resin

Question 23

Which restorative material is known for releasing calcium ions, potentially contributing to remineralization of the surrounding tooth structure?

Accepted Answer

Glass ionomer

Answer

Amalgam

Answer

Composite resin

Answer

Compomer