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ARTICULATOR (1)(A) 1) The Kennedy classification of this RPD is a. Class IV mod II b. Class II mod I c. Class I mod II d. Class I mod I 2) The rest seat on tooth # 14 is called a. an occlusal rest b. cingulum rest c. channel rest d. distal rest 3) The clasps on #4 and #14 a. cast circumferential clasps b. 18 gauge wrought wire c. cast ‰ round clasps d. cast infrabulge clasps
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Page 1: rpd

ARTICULATOR (1)(A) 1) The Kennedy classification of this RPD is

a. Class IV mod II b. Class II mod I c. Class I mod II d. Class I mod I

2) The rest seat on tooth # 14 is called a. an occlusal rest b. cingulum rest

c. channel rest d. distal rest

3) The clasps on #4 and #14

a. cast circumferential clasps b. 18 gauge wrought wire

c. cast ½ round clasps d. cast infrabulge clasps

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ARTICULATOR (2)(B)

4) The Kennedy classification of this RPD is

a. Kennedy class II b. Kennedy Class I c. Kennedy Class I mod I d. Kennedy Class II mod I

5) This RPD is missing which structural component?

a. not missing any structural component b. guide planes c. rests d. direct retainers e. indirect retention

6) The direct retainers of this partial are classified as:

a) Supra bulge retainers b) Infra bulge retainers c) Cast I-bars d) Cast circumferential clasps

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ARTICULATOR (3)c 7) The Kennedy classification of this RPD is

a) Kennedy class III b) Kennedy Class III mod I c) Kennedy Class IV mod I d) Kennedy Class II mod I

8) If this RPD has a dual path of insertion

a) The guide planes on #31 & #18 will act as retentive elements b) Circumferential retentive clasps will be necessary on #31 & #18 c) The retentive clasps on # 21 & #29 should be wrought wire circumferential. d) Indirect retention is required

9) The Lingual Bar major connector in this RPD�.

a) Is too thin and would be flexible. b) Is of adequate thickness, but starts too far from free margin of the gingiva of the anterior

teeth. c) Should end at the mesial of #18 & # 31 d) Has too much relief from the anterior region of the mandible.

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ARTICULATOR (4)D

10) The Kennedy classification of this RPD is

a) Kennedy class III mod II b) Kennedy Class II mod II c) Kennedy Class IV mod II

11) A structural component missing from this RPD is

a) indirect retention b) direct retention c) nailhead retention for tooth #5 d) acrylic retention for anterior teeth

12) What major connector could be used in this case?

a) anterior palatal plate b) palatal plate c) palatal strap d) anterior � posterior palatal plate

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ARTICULATOR (5) 13) This removable partial denture

a) is positioned too near to the gingival margin of tooth #9. b) is positioned too far from the gingival margin of tooth #9. c) does not have an indirect retainer.

14) The design of this removable partial denture _______________.

a) does not provide for adequate indirect retention b) provides for posterior palatal seal placement c) has acceptable direct retainers

15) For which indication given would this major connector be used?

a) for periodontally involved maxillary teeth b) for phonetics and esthetics c) for young patients e) none of the above

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ARTICULATOR (6)E

16) The major connector in this case �.

a) Is an anteroposterior palatal strap b) The anterior components are correctly positioned on the hard palate c) The posterior component is the correct width.

17) The anteroposterior palatal strap

a) Is helpful with palatal tori cases b) The posterior component should be 8-12 mm wide c) The posterior component should not end on movable tissues. d) All of the above

18) The Kennedy Classification for this RPD is

a) Class I mod I b) Class IV mod II c) Class III mod II d) Class II mod II e) None of the above

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ARTICULATOR (7)

19) On which side of the arch has adequate relief been provided under the acrylic retention

areas?

a) Patient�s right side. b) Patient�s left side. c) Adequate relief has been provided on both sides of the arch. d) Relief is only needed if the ridge resorption is excessive.

20) On which side of the arch is the position external finish line of the removable partial denture

the most correct?

a) Patient�s right side. b) Patient�s left side. c) There is not an external finish line.

21) Is the direct retainer on tooth #11 acceptable for this particular case?

a) Only if the patient�s previous partial was like this. b) Only if slight bending of the clasp would make it touch the tooth. c) Not acceptable because of soft tissue undercuts .

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ARTICULATOR (8)

22) If a removable partial denture is being fabricated for this patient, which of the following

direct retainers would be most indicated on tooth #29 with the rest as it is prepared?

(a) A cast circumferential clasp arm with 0.01" of undercut on the mesiobuccal, with distal rest and distal guide plane.

(b) A cast "I" bar clasp into 0.01" of undercut in the mesio-buccal-gingival quadrant, with mesial rest and distal guide plane.

(c) A wrought wire circumferential clasp into 0.02" of undercut in the mesiobuccal, with distal rest and distal guide plane.

23) The occlusal rest preparation in tooth #18

a) Has adequate occlusal clearance for Vitallium b) Needs to be wider bucco-lingually. c) Needs to be deeper occlusal-gingivally. d) Needs to be longer mesio-distally.

24) If a retentive clasp arm is placed on the buccal of tooth #29, then the retentive clasp arm

on #18 should be placed on .

a) The buccal b) The lingual c) Either the buccal or the lingual d) Mesio-lingual

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ARTICULATOR 9

25) The Kennedy Classification for this cast is

a) Class III mod I b) Class III mod II c) Class III

26) Considering the design of an RPD for the mandibular arch �.

a) Survey crowns should be done to correct the mesial tilt of the molars. b) Retentive clasps are required next to each edentulous space. c) The lingual plate would be the major connector of choice. d) A dual path of insertion should be considered.

27) What RPD component is not needed in this type of case?

a) Major connector b) Guide planes c) Direct retainers d) Indirect retainers

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ARTICULATOR (10)

28)The lingual bar major connector .

a) is too thin b) is too close to the free gingival

margins of the teeth c) is too thick d) A & B e) none of the above

29) The framework exhibits which of the following?

a) Proper adaptation of the guide plane to #22. b) A tissue stop. c) Proper placement of the lingual bar. d) None of the above.

30) The clasp utilized on tooth #29 .

a) is a cast circumferential clasp b) is a cast I-bar clasp c) is a wrought wire circumferential clasp

Space

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ARTICULATOR (11) 31) If this RPD was fabricated exactly as

drawn on the design cast, which component(s) would be inadequate?

a) Guide planes b) Indirect retainers c) Acrylic retention areas d) Direct retainers e) All of the above

32) What other types of clasps may be used for direct retention for this case if it was properly surveyed?

a) Modified �T� bar retentive clasp b) Embrasure clasp c) Cast Circumferential d) Ring Clasp

33) What is the Kennedy Classification of this mandible?

a) Class III mod I b) Class II c) Class I e) Class I mod I

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ARTICULATOR (12) 34) Which of the following is true regarding

a Class IV partial denture.

a) The retentive arms are usually wrought wire unless the edentulous space is so large that the prosthesis is considered an anterior extension.

b) The major connector of choice in a maxillary class IV RPD is a palatal strap.

c) The retentive arm of choice for the

embrasure clasp is an I-bar.

d) A rotational path partial design may be used.

35) The missing minor connector on this

framework is:

a) acrylic resin retention loops b) cingulum rests c) lingual plate

36) When restoring this patient's occlusal

scheme,

a) The RPD should not increase the occlusal vertical dimension.

b) Their should be heavy anterior tooth contact in centric relation.

c) You should use bilateral balanced articulation.

d) You may use porcelain teeth.

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Articulator (13) 37) The occlusal scheme used for this case is:

a) bilaterally balanced occlusion b) unilaterally balanced occlusion c) monoplane occlusion d) anterior guidance e) none of the above

38) The major connector used for this case

was probably selected because .

a) The patient has tori that would interfere with a lingual bar.

b) The floor of the mouth is too high when it is in its active position.

c) The lingual plate was necessary for direct retention.

d) A & B

39) The partial was needed to be relined at delivery. What would be the most common reason for this to occur.

a) Not doing the altered cast impression

after the framework try-in. b) Laboratory errors during processing. c) Using to firm of an impression material. d) none of the above

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ARTICULATOR (14) 40) The denture base acrylic resin minor

connector on the patient�s left side should correctly be located .....

a) 2/3 to 1/2 the length of the residual

ridge. b) on the retromolar pad. c) 1/3 the length of the residual ridge. d) have a mesh acrylic retention area

41) The external finish lines on this

framework are .

a) indistinct b) would allow for acrylic to be

mechanically retained in the framework.

c) too deep or over-contoured 42) The superior border of this major

connector .

a) is not acceptably adapted to the teeth

b) is correctly adapted to the teeth c) is too low d) none of the above

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ARTICULATOR (15) 43) An embrasure clasp should not be used

in what classification of removable partial denture?

a) class I b) class III c) class IV

44) Which of the following is missing from the

clasp on #29? a) minor connector b) guide plane c) reciprocating arm d) retentive clasp arm e) rest

45) The major connector in this case �.

a) should cover and include prepared rest seats on teeth # 22 & 27.

b) should be longer occlusal - gingivally. c) should be a lingual bar.

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ARTICULATOR (16) 46) Tooth #29 has a mesio-buccal

undercut of .02�. What modifications to the RPD design would you make to this partial to add retention?

a) Recontour undercut to .01�, mesial

rest, distal guide plane ,cast I-bar. b) Distal rest, distal guide plane, 18g

wrought wire clasp. c) Mesial rest, distal guide plane, cast

circumferential in .02� in MB undercut. d) Mesial rest, distal guide plane, cast

circumferential in .01� in MB undercut.

47) A more ideal place to locate indirect retention is :

a) Not necessary. b) Mesial of tooth #28. c) Distal of tooth #21.

48) For the clasp on #20 to function

correctly what should it be?

a) Cast circumferential clasp. b) 18 gauge wrought wire

circumferential. c) 19 gauge wrought wire, I-bar d) Cast I-bar.

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ARTICULATOR (17) 49) The RPD this case........

a) is missing an indirect retainer. b) should have a prepared rest on #27 c) has adequate external finish lines. d) all of the above

50) The lingual bar major connector in this

case should a) directly contact the underlying soft

tissues. b) have more relief from the underlying

soft tissues. c) engage soft tissue undercuts if

needed 51) To reduce the movement of the

denture base areas away from the underlying soft tissues when chewing you should ........

a) prepare a cingulum rest on #27 and

INCLUDE IT with the lingual plate. b) prepare a cingulum rest on #27 and

change the major connector to a lingual plate.

c) prepare a cingulum rest on #27 and extend the metal rest seat from #28 to cover it.

d) Any of the above.

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ARTICULATOR (18) 52) The major connector in this mandibular

Class I removable partial denture .

a) is to long occlusal gingivally. b) is too close to the free gingival margin. c) is missing an indirect retainer. d) all of the above.

53) The major connector in this mandibular

Class I removable partial denture .

a) is a lingual bar and its superior border is too close to the free gingival margins

b) is a lingual bar and its superior border is placed correctly

c) is a lingual bar and the placement of the superior border of the lingual bar is of no importance to the soft tissues

54) In this Class I mandibular removable

partial denture, rest preparations on the cingulum of #22 & #27 .

a) would provide indirect retention for

the removable partial denture if covered by the major connector.

b) would provide direct retention for the removable partial denture.

c) are not indicated in this case.

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ARTICULATOR (19) 55) If the vertical space between the free

gingival margins and the functional position of the lingual frenum is 4 mm, which major connector would be indicated?

a) Lingual bar b) Lingual plate c) Interrupted lingual plate d) Labial bar

56) If you were placing a circumferential

�C� clasp #18 with a retentive clasp arm on the distal buccal of #18, the survey line on tooth #18..............

a) would be ideal as shown. b) should be located at the junction of

the middle/gingival 1/3 of the tooth c) should be located at occlusal 1/3 of

tooth 57) The guide plane on the distal of tooth

#29 is ............

a) too long occlusal gingivally b) sometimes used to engage undercuts

for retention c) ideal for �RPI� clasps

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ARTICULATOR (20) 58) What major connector is appropriate

for the Maxillary arch?

a) Palatal Strap b) Anterio-posterior Palatal Strap c) Palatal Plate

59) What would provide the best indirect

retention for the maxillary arch?

a) Rest seats prepared in #8 and #9. b) Lingual coverage of the anterior

teeth, no prepared rest seats. c) Rest seats prepared in #6 and #11.

60) To correctly place the occlusal plane on the mandibular arches, What is needed?

a) A mandibular cast that includes the

retromolar pad on the patient�s right side.

b) A maxillary record base that would maintain the vertical height between the ridges.

c) A mandibular record base that would maintain the vertical height between the ridges.

d) Casts mounted at the vertical dimension of occlusion.