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

Guiding plane are:

a. usually single

b. usually single and usually multiple

c. usually multiple

d. usually parallel

2 / 60

Multiple clasps are joined at :

a. Back of occlusal rests

b. Tip of retentive terminals

c. Tip of reciprocal terminals

d. Back of the minor connector

3 / 60

Reciprocal Arm ផ្តល់ទម្រ:

a. បញ្ឆិតអោយធ្មេញសិប្បនិម្មិត

b. ផ្តេកអោយធ្មេញសិប្បនិម្មិត

c. បញ្ឈរអោយធ្មេញសិប្បនិម្មិត

d. ផ្អៀងអោយធ្មេញសិប្បនិម្មិត

4 / 60

Sublingual bar is placed:

a. inferior and anterior to lingual bar

b. inferior to lingual bar

c. inferior and posterior to lingual bar

d. inferior to lingual bar and inferior and anterior to lingual bar

5 / 60

ចំណាត់ថ្នាក់ទី ១ នៃចន្លោះធ្មេញ:

a. ប្រឡោះផ្នែកខាងទាំងពីរ

b. ទាំងបីខាងលើត្រូវ

c. ប្រឡោះផ្នែកខាងមុខតែមួយ

d. ប្រឡោះផ្នែកខាងក្រោយទាំងពីរ

6 / 60

RPD movements away from tissues may occur due to following except:

a. Pull of food

b. Gravity

c. Mastication

d. Moving border tissues

7 / 60

A distal extension partial denture receives its support :

a. exclusively from residual ridge

b. equally from abutments and the residual ridges

c. from terminal abutments

d. mostly from residual ridge

8 / 60

RPI system is indicated:

a. Where there is no buccal or lingual tilt of abutment

b. When undercut is located at the gingival third of tooth away from edentulous area

c. Where bar clasp is indicated and Where there is no buccal or lingual tilt of abutment

d. Where bar clasp is indicated

9 / 60

Body ភ្ជាប់ពី Shoulder ទៅៈ:

a. Retentive terminale

b. Minor Connector

c. Reciprocal arm

d. Retentive clasp arm

10 / 60

Following condition(s) is/are also called as distal extension partial denture:

a. Kennedy class IV

b. Kennedy class IV mod. I

c. Kennedy class I

d. Kennedy class I mod. I

11 / 60

ទិសដៅនៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ត្រង់កន្លែងខ្លះៗ

b. ដាក់ទៅមុខទំពារពុំសូវល្អ

c. ដាក់នៅសល់ប្រឡោះធ្មេញ

d. ប៉ះបំពេញភាពដើម

12 / 60

Major Connector ភ្ជាប់ពីៈ:

a. Minor Connector

b. Body

c. Rest

d. Shoulder

13 / 60

Rigid metal retention is associated with:

a. All are correct

b. A class IV RPD

c. The need for excellent esthetics

d. A dual path of insertion

14 / 60

Function of denture bases :

a. all are corrected

b. stress distribution surface area

c. improve esthetics

d. support and retain denture teeth

15 / 60

Mesh type of grid work minor connectors is:

a. Interferes with setting of teeth

b. Potentially superior retention

c. Struts are too thick

d. Potentially more rigid

16 / 60

Rest:

a. is placed on rest seat always

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

c. mainly offers stability

d. need not have rest seat

17 / 60

Disadvantages of incisal rest are following except:

a. Causes intrusion of anterior teeth

b. Causes orthodontic movement of teeth

c. Unfavorable leverage on teeth

d. Less esthetic

18 / 60

Which of the following clasps commonly utilize lingual undercut?:

a. Extended arm clasp

b. Embrasure clasp

c. Back action clasp

d. Ring clasp

19 / 60

The function of minor connector is :

a. presents gingival displacement of RPD

b. allows a single path of placement of the RPD

c. connects major connector to all the components of RPD

d. it is that unit of RPD to which all other parts are directly or indirectly attached

20 / 60

Prosthodontics:

a. ការទុកប្រលោះធ្មេញអោយនៅដដែល

b. ការផ្លាស់ប្តូររាងកាយដែលបាត់បង់ទៅ

c. ផ្លាស់ប្តូរធ្មេញសិប្បនិម្មិត ត្រង់កន្លែងដែលបាត់

d. ការផ្លាស់ប្តូរធ្មេញធម្មជាតិត្រង់កន្លែងដែលបាត់

21 / 60

Contraindication for sublingual bar are following except:

a. high lingual frenum

b. lingual tori

c. high elevation of floor of mouth

d. large tongue

22 / 60

In removable partial denture, health of gingival tissue is ensured by:

a. keeping minimum of 6 mm distance for major connector and keeping minimum of 4 mm distance for major connector

b. keeping minimum of 6 mm distance for major connector

c. minor connectors joining major connector at <90>

d. keeping minimum of 4 mm distance for major connector

23 / 60

Abutment:

a. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

b. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

c. ធ្មេញធម្មជាតិនៅមាន

d. ធ្មេញផ្លាស់ថ្មី

24 / 60

ទំពក់ Circlet:

a. ទប់ជាប់ល្អដូច Bar Clasp

b. តោងជាប់ល្អដូច Bar Clasp

c. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

d. ទប់ជាប់ស្អិតដូច Bar Clasp

25 / 60

Main cause of failure of partial denture results from :

a. resorption of the ridge

b. fracture of metal frame work

c. caries of the abutment

d. interference with the function of the tongue

26 / 60

Functions of a Major connector:

a. kind of metal chrome cobalt

b. unification, stress distribution, cross arch stabilization

c. functions as one unit

d. component of RPD connect to acrylic resin

27 / 60

When rest seals are prepared at inter proximal area on two adjacent teeth:

a. They do not shunt food

b. It should extend for lingually and They avoid wedging by the framework

c. It should extend for lingually

d. They avoid wedging by the framework

28 / 60

Impression:

a. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

b. គន្លងនៅលើពុម្ពធ្មេញ

c. ក្រឡុកនៅលើពុម្ពធ្មេញ

d. ក្រហែងនៅលើពុម្ពធ្មេញ

29 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ក្រមួន

b. ជាតិនីឡុង

c. ដែក

d. ជាតិ Plastic

30 / 60

Function of the teeth is /are:

a. Esthetic

b. Phonation

c. All are correct

d. Mastication

31 / 60

Which of the following chronic conditions may cause tooth abrasion?:

a. Hard brush using and strong brushing

b. Occlusion trauma

c. Strong mastication

d. Pipe smoking

32 / 60

Reciprocation between bracing and retentive components requires:

a. I bars be used

b. Aker clasp be used

c. Bracing components contacts after retentive components

d. Correct timing of contact during seating and removed of RPD

33 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាសធ្មេញទប់ត្រង់កន្លែង :

a. ពង្រីកផ្ទៃក្រោយ

b. ផ្ទៃខាងមុខ

c. ផ្ទៃចំហៀង

d. ផ្ទៃកណ្តាល

34 / 60

The best clasp assembly for a terminal abutment on a mandibular class I RPD is:

a. Mesial rest and I- bar clasp

b. Distal and mesial rests

c. Distal and mesial rests half and half clasp

d. Mesial rest and back action clasp

35 / 60

What are the functions of an indirect retainer:

a. to prevent horizontal dislodgement of the distal extension bases of removable partial denture.

b. to connect the parts of the prosthesis located on one side of the arch with those on the opposite side.

c. to prevent vertical dislodgement of the distal extension base of removable partial denture.

d. to link the major connector and other parts of the prosthesis together

36 / 60

Following condition(s) is/are also called as distal extension partial denture:

a. Applegate class V

b. Kennedy’s class I

c. Applegate class VI

d. Kennedy’s class IV

37 / 60

An ideal clasp assembly should possess the following quality:

a. Support and deduction

b. Support

c. Support and rotation

d. Support and protrusion

38 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Centre

b. Inferior

c. Lingual side

d. Buccal side

39 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Distale

b. Face Vestibulaire

c. Face occlusale

d. Face Mesiale

40 / 60

Physiologic Rest in a position of vertical dimension which can be recorded with:

a. Centric occlusion or MIP

b. Edge to edge incisor contact

c. Centric relation

d. Posselt’s envelope

41 / 60

The external finish line on a maxillary class 1 RPD originates from the lingual of the guide plane of the terminal abutment and ends:

a. opposite stenon’s duct

b. at the hamular notch

c. in the glenoid fossa

d. opposite the buccal pouch

42 / 60

Stability:

a. ក្រាសធ្មេញដាក់លើក្រអូមណែន និងមិនរំជួល

b. ក្រាសធ្មេញដាក់លើក្រអូមបណ្តាលអោយឈឺសាច់

c. ក្រាសធ្មេញដាក់លើក្រអូម

d. ក្រាសធ្មេញដាក់លើក្រអូមរលុង

43 / 60

Metal bases use :

a. for posterior edentulous space

b. for anterior edentulous space

c. big edentulous space

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

44 / 60

Retention:

a. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឆៀង

b. ទប់ទល់នឹងទំនាញតាមទិសទាំងពីរខាងលើ

c. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឈរ

d. ទប់ទល់នឹងទំនាញតាមទិសផ្តេក

45 / 60

Ina ring clasp, the retentive arm extends from:

a. Principal occlusal rest to the tip

b. Entire length of the clasp arm

c. Secondary occlusal rest to the tip

d. Strut to the tip of the clasp

46 / 60

Bar type configuration of clasps can also be used for:

a. Stabilization

b. Retention

c. Sustentation

d. Reciprocation

47 / 60

When anterior teeth are to be replaced, the best path of placement that can be selected is:

a. Right lateral

b. Horizontal

c. Vertical

d. Antero-posterior

48 / 60

Back action clasp use:

a. Class IV

b. Class II

c. Class I

d. Class III

49 / 60

Metal teeth in removable partial denture is indicated when:

a. Abutment teeth are tilted

b. Prevention of extrusion of opposing tooth is needed

c. Prevention of extrusion of opposing tooth is needed and When space is too limited

d. When space is too limited

50 / 60

Tissue stops in impression tray aids in :

a. better acrylic flow

b. anterior- posterior stabilization

c. proper retention

d. stronger impression tray

51 / 60

In an infrabulge clasp, the clasp arm arises either from:

a. Denture framework

b. A metal base or framework

c. Lingual flange of acrylic or border of metal base

d. Border of metal base

52 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ធ្លាក់ចុះ

b. ទ្រេតចេញ

c. មានលំនឹង

d. ទ្រេតចូល

53 / 60

Interfacial Surface Tension គឺជាលទ្ធភាពរបស់ម៉ូលេគុលៈ:

a. ទាំងប្រាំស្រូបចូលគ្នា

b. ទាំងបួនស្រូបចូលគ្នា

c. ទាំងបីស្រូបចូលគ្នា

d. ទាំងពីរស្រូបចូលគ្នា

54 / 60

The mandibular distal extension RPD extends up to :

a. just behind abutment

b. anterior one third length of retro –molar pad

c. full length of retromolar pad

d. anterior 2/3 of retro-molar pad

55 / 60

Lattice type of grid work minor connectors is:

a. Flatter

b. Potentially superior retention

c. Less retention for acrylic resin

d. Potentially more rigid

56 / 60

A general rule for rest placement on an abutment adjacent to an extension area is:

a. Place the rest on the occlusal surface adjacent to the extension area

b. Place the rest on the occlusal surface on the opposite side of the tooth from the extension area

c. Place the rest on both the mesial and distal occlusal surfaces

d. Do not place a rest on this tooth

57 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ឈឺសាច់ជាលិកា

b. ដាក់ទៅកកិតនឹងជាលិកា

c. ជាលិកាស្រកទៅនៅដដែល

d. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

58 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #38, 37, 36 #31, 32#41, 42, 43, 47, 48:

a. Class IV mod. II

b. Class II mod. I

c. Class I mod. I

d. Class I mod. II

59 / 60

The total retention for a RPD is obtained from:

a. Occlusion of artificial teeth

b. Artificial teeth with major connector

c. Fictional retention from guide surface/guide plate contacts

d. Artificial teeth with natural teeth

60 / 60

Advantage of internal occlusal rest are following except:

a. Eliminates visible clasp arm

b. Provides support and stabilization

c. Provide retention

d. Rest seat is located in a more favorable position

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត