Partial Denture I Test

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You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed*

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1 / 60

RPD is indicated in all EXCEPT :

a. long edentulous span

b. excessive loss of alveolar bone

c. multiple edentulous spaces

d. distal abutment loss

2 / 60

Rotation in a distal extension denture base occurs because of differences in displaceability of:

a. Soft tissue of residual ridge

b. Are all corrected

c. Supporting abutment teeth

d. Periodontal ligament

3 / 60

Retention of RPD is obtained by:

a. Retaining elements, denture bases and Denture bases and minor connectors

b. Retaining elements and denture bases

c. Denture bases and minor connectors

d. Rests and rest seats

4 / 60

Infrabulge clasps originate:

a. above the occlusal surface of most premolars

b. below the height of contour

c. above the 12mm undercut areas

d. above the height of contour

5 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បី :

a. ប្រើជាលិការឹងដើម្បីទ្រទ្រង់

b. ប្រើជាលិកាក្រអូមទន់ដើម្បីទ្រទ្រង់

c. ប្រើឆ្អឹង

d. ប្រើជាលិកាទន់ដើម្បីទ្រទ្រង់

6 / 60

The junction of mandibular minor connector with major connector is :

a. butt joint

b. acrylic forms the joint

c. ball and socket joint

d. there is no joint

7 / 60

Important factor in determining the path of insertion/dislodgement is:

a. None of above

b. Depend on edentulous areas

c. Depend on infrabulge and suprabulge

d. Undercuts for direct retainer

8 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចេញ

b. ទ្រេតចូល

c. ធ្លាក់ចុះ

d. មានលំនឹង

9 / 60

Parts that offer support for removable partial denture are following:

a. Rest and denture base

b. Rest and retentive arm

c. Rest and reciprocal arm

d. Rest and minor connector

10 / 60

Rest:

a. mainly offers stability

b. need not have rest seat

c. is placed on rest seat always and mainly offers stability

d. is placed on rest seat always

11 / 60

Guide plates for anterior teeth:

a. Should be kept to the cingular for esthetics

b. Should be kept to the proximal faces for esthetics

c. Should be kept to the lingual and be thinned on labial for esthetics

d. Should be kept to the labial for esthetics

12 / 60

Full palatal plate:

a. Six or less anterior teeth remain

b. Minimum tissue support

c. Maximum tissue support , connector long distal extension cases, six or less anterior teeth remain

d. Six or more anterior teeth remain

e. Connector of choice in short distal extension cases

13 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ក្រមួន

b. ជាតិ Plastic

c. ជាតិនីឡុង

d. ដែក

14 / 60

What are the indications for a linguo plate as a major connector for a mandibular RPD?:

a. High floor of the mouth, high lingual frenum, lingual tori

b. Present high lingual frenum and buccally anterior teeth

c. Present high floor of the mouth and facially anterior teeth

d. Present lingual tori and big tongue

15 / 60

The gridwork minor connector on a maxillary class I removable partial denture:

a. Covers the tuberosity

b. Covers the crest and tuberosity

c. Covers the hamular notch

d. Does not cover the tuberosity

16 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Retentive arm

b. Terminal arm

c. Shoulder

d. Rest

17 / 60

Floor of the cingulum rest seats is placed towards:

a. Distal axial wall

b. Incisal end

c. Mesial axial wall

d. Cervical end

18 / 60

Removable Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះមិនបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះចេញចូលបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

d. ទាំងបីខាងលើត្រូវ

19 / 60

Attachment between acrylic resin and metal base may be achieved by following:

a. Diagonal spurs

b. All are correct

c. Retention loops

d. Nail heads

20 / 60

Lingual bar is used in conditions where :

a. lingual sulcus is shallow

b. when abutment teeth have poor bony support

c. lingual sulcus is deep

d. when splinting of adjacent teeth is required

21 / 60

Mesh type of grid work minor connectors is:

a. Struts are too thick

b. Potentially more rigid

c. Potentially superior retention

d. Interferes with setting of teeth

22 / 60

Major Connector ផ្តល់នូវការទ្រទ្រង់បែបៈ:

a. បញ្ឈរ

b. ផ្តេក

c. បង្ខិត

d. ចំរៀល

23 / 60

An ideal clasp assembly should possess the following quality:

a. Kind of metal

b. Weight of metal

c. Elasticity

d. Reciprocation

24 / 60

Distance of indirect retainer from fulcrum line is affected by following, except:

a. Location of principal abutment

b. Length of distal extension base

c. Location of fulcrum line

d. Rigidity of the indirect retainer

25 / 60

Minor Connector ភ្ជាប់ពី Rest ទៅៈ:

a. Clasp

b. Major Connector

c. Denture Base

d. Pontic

26 / 60

ទំពក់ Circlet មានៈ:

a. ការទ្រទ្រង់បានរឹងមាំ

b. ការទប់ទល់នឹងកំលាំងផ្តេកមិនសូវបានល្អ

c. ការទ្រទ្រង់មិនសូវរឹងមាំ

d. ការទប់ទល់ទំងន់មិនសូវល្អ

27 / 60

Metal bases use :

a. for posterior edentulous space

b. big edentulous space

c. for anterior edentulous space

d. small edentulous space (no room for grid work)

28 / 60

When the survey line is height on the Mesial or Distal but low on the center, which one design clasp:

a. Y clasp

b. T clasp

c. I clasp

d. U clasp

29 / 60

Edentulous Space គឺកន្លែងធ្មេញដែល :

a. ដុះខុសជួរ

b. កំពុងប្រើប្រាស់

c. យកចេញ

d. នៅសល់

30 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. អោយធ្មេញនៅសល់ 2 ឬ 3 រង្គើ

b. អោយធ្មេញនៅសល់ 2 ឬ 3 ឈឺ

c. អោយហួសចំណុះធ្មេញ 2 ឬ 3 ដែលនៅសល់

d. កុំអោយធ្មេញដែលនៅសល់ 2 ឬ 3 ហួសចំណុះ

31 / 60

Reason (s) for selecting lingual plate major connectors is/are?:

a. Anticipated loss of one or more of the remaining teeth

b. All are correct

c. A high lingual frenum

d. the presence of lingual tori

32 / 60

The superior border of linqual bar should be:

a. At the cingulum of anterior teeth

b. At least 4 mm below the gingival margin

c. At least 7 mm below the gingival margin

d. Deep in the linqual sulcus

33 / 60

For indirect retainer to be effective, most important factor is:

a. Principal occlusal rest on direct retainer should be firm on the rest seats

b. It should lie in a flat plane

c. The approach arm should be most flexible

d. It should cross marginal gingival 90 degrees

34 / 60

Posterior palatal bar is placed :

a. should be kept 1mm – 2mm away from the mucosa

b. placed on the hard palatal entirely

c. on the soft tissue

d. at the junction of the hard and soft palate

35 / 60

Deepest part of a rest seat is towards:

a. Disto-lingual line angle

b. Disto- buccal line angle

c. Central fossa

d. Marginal ridge

36 / 60

An ideal design a major connector should possess the following qualities:

a. Stress distribution

b. Cross Arch stabilization

c. All are correct

d. Rigidity

e. Unification

37 / 60

Shoulder ភ្ជាប់ពី Body ទៅៈ:

a. Minor Connector

b. queues

c. Clasp terminal

d. Rest

38 / 60

Major Connector ជាស្ពានៈ:

a. បន្ទាប់បន្សំ

b. មិនសូវមាំ

c. មិនសូវសំខាន់

d. សំខាន់

39 / 60

Impression materials that may be used to register the supporting form of edentulous area in an distal extension denture base are following, except:

a. Hydrocolloids

b. Impression paste

c. Silicone impression materials

d. Waxes

40 / 60

Methods to check loss of support for distal extension denture base include following except:

a. Using free flowing irreversible hydrocolloid under denture base

b. Applying alternate pressure over the artificial teeth

c. Allowing tissue rest by removing the RPD

d. Evidence for heavy occlusal contacts of natural dentition

41 / 60

The function of the guide plate is to:

a. Help establish a definitive path of insertion/ dislodgement

b. All are correct

c. Stabilize the RPD by controlling its horizontal position

d. Provide contact with the adjacent tooth

42 / 60

The mandibular distal extension RPD extends up to :

a. full length of retromolar pad

b. anterior 2/3 of retro-molar pad

c. anterior one third length of retro –molar pad

d. just behind abutment

43 / 60

Cohésion គឺជាទំនាញ Molécule:

a. 2 ខុសគ្នា

b. 4 ដូចគ្នា

c. 1 ដូចគ្នា

d. 3 ខុសគ្នា

44 / 60

What is component of a clasp assembly is:

a. One or more denture bases

b. One or more proximal plates

c. One or more major connectors

d. One or more minor connectors

45 / 60

When designing palatal connectors, relief should be given for:

a. Rugae area

b. Ridge area

c. Palatal torus

d. Elevated mid suture line

46 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. និយាយមិនសូវច្បាស់ល្អ

b. ស្រួយពេក

c. ច្បាស់ល្អ

d. គ្រលពេក

47 / 60

Distal extension RPD is :

a. both tissue and tooth borne

b. class III condition

c. class IV condition

d. tissue borne

48 / 60

In Kennedy’s classification, the least common arch is :

a. class II

b. class III

c. class IV

d. class I

49 / 60

Denture bases of RPD offer:

a. Primary retention and Mechanical retention

b. Secondary retention

c. Primary retention

d. Mechanical retention

50 / 60

Use long guide plane on class IV kennedy for:

a. Esthetic denture

b. Stabilization denture base

c. Retention denture base

d. Path of insertion

51 / 60

Factors influencing the support of a distal extension denture base by the residual ridge is :

a. ]all are corrected

b. occlusal load applied

c. type and accuracy of the impression registration

d. Quality of the residual ridge

52 / 60

The Kennedy Classification for this cast is:

a. class III mod II

b. class III mod III

c. class III

d. Class III mod I

53 / 60

Removable partial denture movements away from tissue may occur due to following except:

a. Pull of food

b. Mastication

c. Gravity

d. Moving border tissues

54 / 60

Occlusal rest preparation should be:

a. spoon shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1m deep

b. flat shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1mm deep

c. teardrop shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

d. pear shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

55 / 60

Minor connector for mandibular distal extension will extend unto:

a. One-third the length of edentulous ridge

b. Entire length of edentulous ridge

c. Half the length of edentulous ridge

d. Two-third the length of edentulous ridge

56 / 60

Passive retention in RPDs is provided by :

a. guiding planes

b. direct retainers

c. undercuts

d. indirect retainers

57 / 60

Lattice type of grid work minor connectors is:

a. Potentially more rigid

b. Flatter

c. Less retention for acrylic resin

d. Potentially superior retention

58 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Distale

b. Face occlusale

c. Face Vestibulaire

d. Face Mesiale

59 / 60

Considering the design of an RPD for the mandibular arch:

a. The lingual plate would be the major connector of space

b. A dual path of insertion should be considered

c. Retentive clasps are required next to each edentulous space

d. Survey crowns should be done to correct the mesial tilt of the molars

60 / 60

Interproximal occlusal rest seats:

a. Extend far lingually

b. Do not avoid wedging effect by framework

c. All are corrects

d. Violate contact points

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត