Fixed and Special Prosthodontics

Self-Study Examination

Instructions: After studying the text answer the following true/false or multiple choice questions.  Remember, there's only one answer to each question.

1. As a result of improved dental hygiene and educational campaigns, more people then ever are retaining their natural teeth. This has resulted in the lessening of demand for fixed prosthodontics.

a) True
b) False

2. People seek prosthodontic treatment for all ofthe following reasons except

a) to relieve pain
b) difficulty in mastication or speech
c) social reasons
d) improvement of appearance
e) all ofthe above

3. Fixed prosthodontic treatment is oRen undertaken to resolve TMJ dysfunction.

a) True
b) False

4. By definition, fixed prosthesis would include all ofthe following except

a) inlays
b) pinledge castings
c) onlays
d) crowns
e) removable partial dentures

5. Most ofthe fixed prostheses are made by the indirect method.

a) True
b) False

6. In the direct method the dentist carves the form of the restoration on the natural tooth in the patient’s mouth as opposed to working outside of the mouth.

a) True
b) False

7. A fixed prosthesis cannot be constructed entirely from acrylic resin or from porcelain.

a) True
b) False

8. In a direct pattern, the dentist carves the pattern wax in the patient’s mouth as opposed to on a die.

a) True
b) False

9. An inlay is a dental restoration that covers the entire occlusal surface of a tooth.

a) True
b) False

10. There are _________ classes of inlays based on the location of the surfaces being restored.

a) 3
b) 5
c) 7
d) 1

11. MOD (Mesio-Occlusol-Distal) inlay is a Class II inlay.

a) True
b) False

12. Select the incorrect statement from the following:

a) A pinledge is distinguished from a conventional inlay in that it has two or three parallel pins that penetrate the lingual dentin.
b) A pinledge is usually characterized as a specialized form of inlay.
c) A pinledge is the most aesthetic and the most conservative type of casting used in the anterior region as a fixed partial denture retainer.
d) It is also the most reliable.

13. A partial crown covers less than half of a tooth’s surface.

a) True
b) False

14. The typical fixed partial denture consists of all of the following parts except

a) retainers
b) pontics
c) comectors
d) splints

15. The best material to use for the part of a part of a pontic that contacts gingival is

a) glazed porcelain
b) acrylic resin

16. Rigid comectors are more popular than non-rigid connectors in the making of a fixed partial denture.

a) True
b) False