Prosthodontic Materials: Essential Knowledge for Dental Prosthetics

Question 1

Which of the following is NOT a type of acrylic resin used in prosthodontics?

Accepted Answer

Porcelain fused to metal

Answer

Heat-cured acrylic resin

Answer

Cold-cured acrylic resin

Answer

Light-cured acrylic resin

Question 2

Which metal alloy is most commonly used in the fabrication of dental crowns and bridges?

Accepted Answer

Gold

Answer

Stainless steel

Answer

Titanium

Answer

Zirconia

Question 3

Which of the following properties makes acrylic resin suitable for use in temporary dental restorations?

Accepted Answer

Ease of manipulation

Answer

High strength

Answer

Biocompatibility

Answer

Long-term durability

Question 4

Which factor is MOST important to consider when selecting a metal alloy for a dental restoration?

Accepted Answer

Functional requirements

Answer

Patient's allergies

Answer

Aesthetic considerations

Answer

Cost

Question 5

What type of acrylic resin is primarily used in the fabrication of dentures?

Accepted Answer

Heat-cured acrylic resin

Answer

Cold-cured acrylic resin

Answer

Light-cured acrylic resin

Answer

Self-cured acrylic resin

Question 6

Which property is critical for a dental ceramic to be used as a veneer material?

Accepted Answer

High translucency

Answer

Excellent strength

Answer

Low thermal conductivity

Answer

Good wear resistance

Question 7

Which factor should be primarily considered when selecting a material for a dental crown?

Accepted Answer

Patient's needs and preferences

Answer

Dentist's experience

Answer

Cost of materials

Answer

Availability of materials

Question 8

Which of the following is NOT a potential complication associated with the use of implant-supported prosthetics?

Accepted Answer

Allergic reactions to the implant material

Answer

Peri-implantitis

Answer

Bone loss

Answer

Soft tissue irritation

Question 9

What is the primary function of a dental adhesive?

Accepted Answer

To bond the restoration to the tooth

Answer

To seal the margins of the restoration

Answer

To prevent caries formation

Answer

To improve the aesthetics of the restoration

Question 10

Which technique is used to create a more natural-looking appearance for metal crowns?

Accepted Answer

Metal-ceramic layering

Answer

Electroplating

Answer

Laser etching

Answer

Sandblasting

Question 11

What is the ethical responsibility of a dental professional when recommending a specific type of prosthetic material?

Accepted Answer

To provide unbiased information to the patient

Answer

To recommend the material that will generate the most profit

Answer

To use only materials that are approved by the dental association

Answer

To prioritize the patient's preferences

Question 12

Which type of ceramic is most commonly used for the fabrication of dental veneers?

Accepted Answer

Lithium disilicate

Answer

Feldspathic

Answer

Zirconia

Answer

Alumina

Question 13

What is the main strength of zirconia ceramics used in dentistry?

Accepted Answer

High fracture toughness

Answer

Biocompatibility

Answer

Translucency

Answer

Low thermal conductivity

Question 14

Which of the following factors does NOT influence the selection of prosthodontic materials?

Accepted Answer

Age of the patient

Answer

Patient's esthetic requirements

Answer

Functional demands of the prosthesis

Answer

Cost and insurance coverage

Question 15

What is the primary role of a dental technician in the fabrication of prosthodontic appliances?

Accepted Answer

Design and fabrication of prosthetics

Answer

Diagnosis and treatment planning

Answer

Patient care and follow-up

Answer

Material selection and testing

Question 16

What is the primary reason for using CAD/CAM technology in the fabrication of prosthodontic restorations?

Accepted Answer

Increased accuracy and precision

Answer

Reduced chair time

Answer

Lower cost

Answer

Improved patient acceptance

Question 17

Which of the following materials is most commonly used as a denture base?

Accepted Answer

Acrylic resin

Answer

Metal

Answer

Ceramic

Answer

Composite resin

Question 18

What is the main consideration when selecting an impression material for a crown preparation?

Accepted Answer

Accuracy and detail reproduction

Answer

Ease of use and patient comfort

Answer

Dimensional stability

Answer

Cost

Question 19

Which of the following is NOT a type of acrylic resin commonly used in prosthodontics?

Accepted Answer

Polyethylene

Answer

Heat-cured acrylic resin

Answer

Light-cured acrylic resin

Answer

Polymethyl methacrylate

Question 20

What is the primary purpose of utilizing a provisional prosthesis?

Accepted Answer

To temporarily restore the function and esthetics of the dentition while the final prosthesis is being fabricated.

Answer

To permanently replace a missing tooth or teeth.

Answer

To support and stabilize the soft tissues surrounding the teeth.

Question 21

Which material has become the predominant choice for the fabrication of dental implants due to its biocompatibility and mechanical properties?

Accepted Answer

Titanium

Answer

Gold

Answer

Stainless steel

Answer

Ceramic

Question 22

What is the fundamental difference between a fixed and a removable dental prosthesis?

Accepted Answer

Fixed prostheses are permanently attached to the teeth or implants, while removable prostheses can be inserted and removed by the patient as needed.

Answer

Fixed prostheses are made of different materials than removable prostheses.

Question 23

Which of the following is a potential complication associated with the use of metal alloys in dental prostheses that can affect patient well-being?

Accepted Answer

Allergic reactions

Answer

Weakening of the surrounding teeth

Answer

Increased risk of caries

Answer

Esthetic concerns

Question 24

What is the primary role of a prosthodontist within the dental healthcare team?

Accepted Answer

To design, construct, and fit dental prostheses to restore function, esthetics, and overall oral health.

Answer

To perform root canal treatments and other endodontic procedures.

Answer

To perform orthodontic treatments to correct misaligned teeth.