Partial Denture I Test

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1 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Rest

b. Denture Base

c. Pontic

d. Major Connector

2 / 60

The function of minor connector is :

a. connects major connector to all the components of RPD

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

c. presents gingival displacement of RPD

d. allows a single path of placement of the RPD

3 / 60

The external finish line is:

a. the external of the natural teeth and the denture base plastic

b. the external of framework metal and denture base plastic

c. the external of framework metal and the natural teeth

d. the external of framework metal and supporting tissues

4 / 60

An ideal clasp assembly should possess the following quality:

a. Elasticity

b. Kind of metal

c. Reciprocation

d. Weight of metal

5 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាស់ធ្មេញ:

a. ទប់ត្រង់កម្លាំងសន្តកត្រង់ផ្ទៃទំពារ

b. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Linguale

c. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Vestibulaire

d. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Distale

6 / 60

Following factors increase effectiveness of indirect retainer, except:

a. Distance from fulcrum line

b. Supporting tooth surface

c. Increased flexibility of minor connector used

d. Quality of direct retainer

7 / 60

Reciprocation between bracing and retentive components requires:

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

b. Aker clasp be used

c. Bracing components contacts after retentive components

d. I bars be used

8 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Vestibulaire

b. Face occlusale

c. Face Mesiale

d. Face Distale

9 / 60

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

a. Quality of the residual ridge

b. occlusal load applied

c. ]all are corrected

d. type and accuracy of the impression registration

10 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

b. ជាលិកាស្រកទៅនៅដដែល

c. ដាក់ទៅកកិតនឹងជាលិកា

d. ឈឺសាច់ជាលិកា

11 / 60

Which of the following is missing from the clasp on #45?:

a. Reciprocating arm

b. Minor connector

c. Rest

d. Retentive clasp arm

12 / 60

In distal extension denture base, when there is no modification area exists on opposite side of the arch a………clasp is suitable at that side:

a. Reverse circumferential clasp

b. Ring clasp

c. Back action clasp

d. Embrasure clasp

13 / 60

The total retention for a RPD is obtained from:

a. Fictional retention from guide surface/guide plate contacts

b. Artificial teeth with major connector

c. Artificial teeth with natural teeth

d. Occlusion of artificial teeth

14 / 60

សាច់ដុំ Elevation or closure of the mouth:

a. Digastrique

b. Geniohyoidien

c. Mylohyoidien

d. Temporal

15 / 60

Parts that offer support for removable partial denture are following:

a. Rest and retentive arm

b. Rest and denture base

c. Rest and reciprocal arm

d. Rest and minor connector

16 / 60

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

a. Undercuts for direct retainer

b. Depend on infrabulge and suprabulge

c. Depend on edentulous areas

d. None of above

17 / 60

Retentive arm:

a. រឹងខ្លាំងពត់មិនកើត

b. ត្រូវតែពត់តាមកំពស់រង្វង់ធ្មេញ

c. ទាំង3ខាងលើត្រូវ

d. មិនអាចបត់បែនបានតាមកំពស់រង្វង់ធ្មេញ

18 / 60

Considering the design of an RPD for the mandibular arch…:

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

b. Retentive clasps are required next to each edentulous space

c. Survey crowns should be done to correct the mesial tilt of the molar

d. Dual path of insertion should be considered

19 / 60

Approach Arm:

a. ផ្នែកផ្តេកនៃ Bar Clasp

b. ផ្នែកបញ្ឈរនៃ Bar Clasp

c. ផ្នែកបញ្ឆៀងនៃ Bar Clasp

d. ទាំង 3ខាងលើត្រូវ

20 / 60

Ina ring clasp, the retentive arm extends from:

a. Strut to the tip of the clasp

b. Entire length of the clasp arm

c. Principal occlusal rest to the tip

d. Secondary occlusal rest to the tip

21 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក រំលែកបន្ទុកលើផ្ទៃ:

a. Mésisal

b. Occlusal

c. Vestibulaire

d. Linguale

22 / 60

An ideal clasp assembly should possess the following quality:

a. 180 degree encirclement

b. 160 degree encirclement

c. 90 degree encirclement

d. 45 degree encirclement

23 / 60

Courbe d’occlusion រត់តាម arc de circle ដែលមាន centre របស់វានៅលើ :

a. Sphénoide

b. Appophyse crista-galli

c. Edmoide

d. Temporal

24 / 60

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

a. Nail heads

b. Diagonal spurs

c. Retention loops

d. All are correct

25 / 60

Ring Clasp:

a. ទាំង 3 ខាងលើត្រូវ

b. អាចទប់នឹងកំលាំងបង្វិល

c. មិនអាចទប់នឹងកំលាំងបង្វិល

d. អាចទប់នឹងកំលាំងបណ្តោយ

26 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោងដោយកន្លែង

b. ទ្រទ្រង់សាច់មុខអោយមានសភាពផត

c. ទ្រទ្រង់ទំរង់មុខបំពញឡើងវិញ

d. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោង

27 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

b. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

c. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

d. ទាំងបីខាងលើត្រូវ

28 / 60

Rest Plate System វាមានកន្លែងទប់នៅចំណុចៈ:

a. ប្រសព្វផ្ទៃទំពារ និងផ្ទៃជិតជាប់ និងស្ពានតូច

b. ប្រសព្វផ្ទៃ Linguale

c. ប្រសព្វនៃផ្ទៃ Crête alvéolaire.

d. ប្រសព្វនៃផ្ទៃ Vestibulaire

29 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from minor connectors

b. Mechanical retention from grid work

c. Mechanical retention from clasps (direct retainer)

d. Mechanical retention from major connector

30 / 60

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

a. All are correct

b. Rigidity

c. Cross Arch stabilization

d. Unification

e. Stress distribution

31 / 60

Maxillary major connectors most common use is:

a. anterior posterior palatal strap

b. full palatal strap

c. anterior palatal strap

d. palatal strap

32 / 60

Fulcrum line ជាបន្ទាត់មួយរត់កាត់តាមៈ:

a. Lingual rest seat

b. Mésial rest seat

c. Distal rest seat

d. Vestibular rest seat

33 / 60

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

a. keeping minimum of 6 mm distance for major connector

b. keeping minimum of 4 mm distance for major connector

c. minor connectors joining major connector at <90>

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

34 / 60

RPI system is indicated:

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

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

c. Where bar clasp is indicated

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

35 / 60

Classification of lever system is based on location of:

a. Fulcrum line

b. Direction of effort

c. Are all corrected

d. Resistance

36 / 60

Chemical bonding of resin to metal involves following, except:

a. Resin bonding agent application

b. Thin layer of acrylic resin over the metal

c. Silica coating

d. Loops and Mesh

37 / 60

Setting of a RPD may occur due to one of the following reasons, except:

a. Flow of amalgam underneath restorations

b. Intrusion of abutment

c. Giving canine rest seat

d. Improper rest design

38 / 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. Do not place a rest on this tooth

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

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

39 / 60

Following are true for I bar clasp, except:

a. Whole arm of the clasp contacts abutment

b. Approach arm is located at least 4mm from gingival margin

c. It is located in the gingival third of buccal or labial surface

d. No more than 2mm of its tip contacts abutment

40 / 60

Finishing line junction with major connector should have angle:

a. > =90 degrees

b. > 90 degree

c. < =90 degrees

d. =90 degrees

41 / 60

Infrabulge clasp is advocated by:

a. Kennedy

b. Wills

c. Devan

d. Applegate

42 / 60

An area undercut may preclude the selection of :

a. A suprabulge clasp

b. An infrabulge clasp

c. A combination clasp

d. A Half and half clasp

43 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. គ្រលពេក

b. និយាយមិនសូវច្បាស់ល្អ

c. ច្បាស់ល្អ

d. ស្រួយពេក

44 / 60

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

a. Depend on design tray

b. Depend on impression

c. Depend on secondary impression

d. Esthetic considerations

45 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #45, 46, 47:

a. Kennedy class III mod. III

b. Kennedy class III

c. Kennedy class III mod. II

d. Kennedy class III mod. I

46 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បី :

a. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

b. ដាក់ទៅកកិតនឹងជាលិកា

c. ជាលិកាស្រកទៅនៅដដែល

d. ឈឺសាច់ជាលិកា

47 / 60

Function of denture bases :

a. stress distribution surface area

b. improve esthetics

c. all are corrected

d. support and retain denture teeth

48 / 60

Direct Retainer:

a. ធ្វើអោយកំលាំងរបូតកាន់តែខ្លាំងឡើង

b. ទប់កំលាំងធ្វើមិនអោយរបូត

c. ធ្វើអោយក្រាសធ្មេញគ្មានលំនឹង

d. ធ្វើអោយក្រាសធ្មេញវិល

49 / 60

A mandibular movement which is<< either opening or closing motions of the mandible around a horizontal axis that is common to both condyles >> would be best classified as a…………movement:

a. centric relation

b. lateral

c. hinge

d. translatory excursion

50 / 60

Intracoronal retainer mechanism is:

a. Frictional resistance

b. Any of the above

c. Dimpling

d. Engaging the undercut intracoronally

51 / 60

Rest ត្រូវតែៈ:

a. ទាំង ៣លើត្រូវ

b. ទប់បញ្ឈរ

c. ទប់ផ្តេក

d. ទប់ផ្អៀង

52 / 60

Bar type configuration of clasps can also be used for:

a. Reciprocation

b. Retention

c. Stabilization

d. Sustentation

53 / 60

Retention of RPD is obtained by:

a. Denture bases and minor connectors

b. Retaining elements and denture bases

c. Rests and rest seats

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

54 / 60

Guiding planes may be contacted by following parts of partial denture, except:

a. Stabilizing arm direct retainer

b. Minor connector of denture base

c. Body of extracoronal direct retainer

d. Minor connector of indirect retainer

55 / 60

Which of the following clasps commonly utilize lingual undercut ?:

a. Half and half clasp, Ring clasp

b. Extended arm clasp, Akers clasps

c. Half and half clasp, Back action clasp

d. Ring clasp , I bar clasp

56 / 60

The correct answer the basic movements of the mandible:

a. Hinge , lateral and translatory movement

b. Hinge, chewing and yawing

c. Lateral, dimension, excursion

d. Translatory movements relative to centric relation

57 / 60

Bar Clasp វាគ្របលើក្រឡាផ្ទៃ :

a. ប្រឡោះចង្អៀត

b. ទូលាយ

c. ធំ

d. តូច

58 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

b. នៅផ្នែកខាងក្រោយតែម្ខាង

c. នៅផ្នែកខាងក្រោយបង្អស់

d. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

59 / 60

A cingulum rest should be placed:

a. on the disto incisal edges of the incisor teeth

b. between the occlusal and middle thirds of the incisors teeth

c. at the junction of the gingival and middle thirds of the incisor teeth

d. above the middle third of the incisor teeth

60 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Major Connector

b. Abutment

c. Artificial teeth

d. Denture Base

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត