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26- 1- Artificial teeth in partial denture :
A-Made of porcelain to prevent clicking
B-Porcelain teeth wear faster.
C-Acrylic teeth are susceptible to fracture.
D-Acrylic teeth wear and stain faster.

27-C 2- Complete denture is indicated for:
A-Totally edentulous teeth.
B-Remaining teeth could be saved.
C-Remaining teeth cannot support removable partial denture.
D-both A and C.

28-F 3- For final impression in complete denture:
A-The impression material should be free of bubbles.
B-The maxillary impression should include the hamular notches.
C-The mandibular impression should include the retro molar pads.
D-All of the above.

29- 4- During bite registration in complete denture:
A-Centric relation made with the jaws closed and relaxed.
B-Protrusion, retrusion and lateral excursion.
C-Both A and B .
D-Not A or B.

30-I 5- Implants are made to:
A-Replace missing teeth.
B- To aid in retention of fixed and removable prosthesis.
C-Both A and B.
D-To make endodontic treatment.

3 6-The art of replacement of missing teeth or body parts called:
A- Prosthesis.
B- Endodontic
C-Operative
D-Non of the above

7-Temporary coverage of prepared teeth is done to:
A-Reduce sensitivity and discomfort in the prepared teeth.
B-Cause pain
C-Prevent bleeding.
D- All of the above

8- Custom prosthesis :
A-Used for anterior teeth
B- For posterior teeth
C- For posterior or anterior teeth
. D- None of the he above.

9-Preformed polymer crown:
A-Used for anterior teeth .
B- For posterior teeth.
C-For all teeth
D- None of the above.

3 10-Laboratory fabricated coverage is used:
A-When several teeth prepared.
B- When long span bridge is created.
C- Both A and B.
D-Non of the above.

11- Patient with missing several teeth and wants to make a partial denture is referred to:
A- Periodontist.
B- Orthodontist.
C- Prothodontist.
D- Endodontist.

12- The purposes of provisional crown or bridge ARE:
A- Reduce sensitivity and discomfort in the prepared tooth.
B- Restore the function and esthetic of the tooth.
C- Protect the margins of the preparation.
D- All.

13- Preformed polymer crowns are characterized by:
A- Used for posterior teeth.
B- Available for crown of the bridge.
C- Supplied with a hybrid composite resin.
D- All.

14- The contours of provisional coverage are similar to those of:
A- Abutment tooth.
B- Natural tooth.
C- Opposing tooth.
D- All.

15- During fabricating a custom acrylic provisional crown the mixed
material is applied when the resin reaches :
A- Dough stage.
B- Creamy stage.
C- Solid stage.
D- None.

16- The hybrid composite resin monomer mixture is the resin used in which type of the following provisional coverage:
A- Preformed polycarbonate crowns.
B- Laboratory fabricated crown.
C- Preformed polymer crowns.
D- None.

17- Dental floss is used in ……… to ensure the crown provide contact with the adjacent tooth:
A- Buccal area.
B- Lingual area.
C- Inter proximal area.
D- None.

18- Amalgam restoration is done in the …………. visit:
A- First.
B- Second.
C- Third.
D- Fourth.

19- Dis – advantage of Amalgam restoration are the following EXCEPT:
A- Sensitivity to heat and cold.
B- Highly resistance to wear.
C- Esthetically unacceptable.
D- Need to remove more tooth structure.

20- Advantage of composite resin is the following:
A- Less tooth structure is removed.
B- Need to remove more tooth structure.
C- Highly resistance to wear.
D- None.

21- Porcelain Veneer is fabricated to improve appearance in patient with:
A- Intrinsic stains.
B- Anomalies.
C- Enamel hyperplasia.
D- All.

22- ………. Crown are used on anterior teeth and are esthetically
pleasing but lake of strength :
A- Three quarter crown.
B- Porcelain fused to metal crown.
C- Porcelain jacket crown.
D- None.

23- The natural prepared tooth that serves as the support for the replacement tooth in a fixed bridge:
A- Retainer.
B- Abutment.
C- Soldering joint.
D- None.

24- During cast restoration, the margins including the bevel:
A- Chamfer.
B- Shoulder.
C- A & B.
D- None.

25- In the final impression details at the finish line of the preparation is obtained through the use of :
A- Gingival inflammation.
B- Gingival retraction cord.
C- Gingival compression.
D- None.

76- 26- Mechanical retraction for the gingiva can be done using:
A-A provisional crown.
B-Impregnated cord.
C-Surgical knife.
D-All of the above.

27- To replace several teeth in the mouth:
A-Complete denture is made.
B-Partial denture is made.
C-Amalgam restoration is done.
D-Non of the above.

78-I 28- In rampant caries destructing teeth or severe periodontal condition:
A-Partial denture is done.
B-A fixed bridge is done.
C-Complete denture is made.
D-No restoration could be done.

79- 29- The metal device built into a partial denture to relieve stresses fro abutment teeth:
A- Called connector.
B- Called framework.
C- Called stress-breaker.
D-Called a major connector.
80- 30- To prevent the partial denture from moving in gingival direction :
A. Rest in partial denture is made
B-Major connector
C- Minor connector
D- All of the above.

81-F 31- Flange of the denture is done to :
A-To fit over the residual alveolar ridge and gingival area.
B-Extend over the attached mucosa from cervical margin to the border of the denture.
C-The post dam.
D- All of the above.

82- 32- Retention of the maxillary denture depend on the suction seal known as:
A- Flange.
B- Base of the denture.
C- The rest.
D- Post dam.

33- Over denture is supported by:
A-Bony ridge.
B-Oral mucosa.
C-Tow or more remaining natural teeth.
D-All of the above.

84- 34- Teeth bellow the over denture are protected by :
A- Endodontic treatment.
B- By coping.
C- By post and core.
D- All of the above.

85- 35- Rebasing. is :
A-Replacing the entire denture base material called:
B-Relining.
C-Tissue conditioning.
D-All of the above.

36- What is the part of the base of full denture that extend over
the attached mucosa for the cervical margin of the tooth to
the border of the denture:
A- Flange.
B- Clasps.
C- Post dam.
D- None.

37- The following anatomic structure is present in the maxilla EXCEPT:
A- Hamular notches.
B- Frenum attachment.
C- Tuberosites.
D- Retro molar pads.

38- Home care instructions for the patient wearing complete denture include:
A- Don’t wear the denture at night.
B- With the denture removed, rinse the oral tissues.
C- Clean all surfaces of the denture.
D- All.

39- The material used to rehabilitate unhealthy supporting tissues is :
A- Tissue conditioners.
B- Tissue impression.
C- Tissue depression.
D- None.

40- Home care devices for dental implant include :
A- Single tufted tooth brushes.
B- Partial denture clasp brushes.
C- Inter proximal brushes.
D- All.

Complete the following sentences:- ( 10 Marks)

(two weeks – several teeth – preformed polycarbonate crown – first visit – acceptable – diabetic patient – amalgam – porcelain jacket crown – onlay – third appointment – copper – gold – porcelain fused to metal crown – second visit – second visit )
1- The period of provisional crown or bridge protective coverage is … Two weeks to one month
2- The provisional coverage must be esthetically acceptable …
3- The type of provisional coverage are shell like crowns that are designed for premolars and molars is … Preformed polymer crowns ……
4- Indirect restoration that requires two or more visits include …… … Onlay … & …… Veneers ……..
5- Gold. is the strongest material available for cast onlay and inlay restoration
6- … Porcelain fused to metal crown.. Is a full metal crown with the outer surface covered with a veneer thin layer of tooth
7- In steps of the preparation and placement of cast restoration, try in is done in … Second visit. Visit.
8- The preparation of fixed bridge is usually completed in which number of appointment … Third appointment number of visits.
9- Conditions not indicated for removable prosthesis include ……… …… Diabetes patient. & … Poor nutritional habits..
10- Indication for removable partial denture include ……………….. …… Replace several teeth in the same quadrant & …… Temporary replacement for missing teeth in a child …..
Answer the following Questions ( 5 Marks)

1- What are the patient instructions for crown and bridge?
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