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

Shoulder សន្តូកលើៈ:

a. បន្ទាត់ស្ទង់

b. Face Occulsale

c. Face Mésial

d. Distale

2 / 60

When a survey line is high:

a. Circumferential clasp cannot be designed

b. Bar clasp cannot be given

c. A circumferential clasp can be given

d. A bar clasp can be given

3 / 60

Minor connector for mandibular distal extension will extend unto:

a. One-third the length of edentulous ridge

b. Two-third the length of edentulous ridge

c. Half the length of edentulous ridge

d. Entire length of edentulous ridge

4 / 60

Guiding plane are:

a. usually parallel

b. usually single

c. usually single and usually multiple

d. usually multiple

5 / 60

Chemical bonding of resin to metal involves following, except:

a. Silica coating

b. Resin bonding agent application

c. Loops and Mesh

d. Thin layer of acrylic resin over the metal

6 / 60

In a circumferential clasp assembly, the arms may extend into an undercut:

a. The reciprocating arm and retentive arm

b. The bracing arm and retentive arm

c. The retentive arm

d. The bracing arm

7 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចូល

b. មានលំនឹង

c. ទ្រេតចេញ

d. ធ្លាក់ចុះ

8 / 60

Passive retention in RPDs is provided by :

a. indirect retainers

b. undercuts

c. guiding planes

d. direct retainers

9 / 60

ទំពក់ Circlet:

a. ងាយស្រួលជួសជុល

b. ពិបាកផ្សារតភ្ជាប់នៅពេលបាត់

c. ពិបាកជួសជុល

d. ពិបាករកដែកធ្វើ

10 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ជាប់តែម្តង

b. ដាក់ដោះសំអាត

c. ដាក់ដូចជាធ្មេញជាប់

d. ដាក់ត្រាំត្រែងក្នុងមាត់

11 / 60

When a minor connector contacts tooth surface on either side of embrasure, it should:

a. All of the above are true

b. Not have space between it and the tooth

c. Be sharply angled

d. Abruptly end at the tooth

12 / 60

Guiding plane are:

a. usually single

b. usually multiple

c. usually multiple and usually parallel

d. usually parallel

13 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយមានទំរង់ៈ:

a. មុខវៀច

b. មុខមាត់ធំ

c. មុខល្អ

d. មុខមាត់តូច

14 / 60

An ideal clasp assembly should possess the following quality:

a. Retention with denture base

b. Retention with major connector

c. Retention with minor connector

d. Retention

15 / 60

Ring Clasp ប្រើលើក្បាលធ្មេញ:

a. ទាំង 3ខាងលើត្រូវ

b. ធម្មជាតិ

c. ដែលខូច

d. ជួសជុលរួច

16 / 60

Full palatal plate:

a. Six or less anterior teeth remain

b. Connector of choice in short distal extension cases

c. Minimum tissue support

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

e. Six or more anterior teeth remain

17 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាស់ធ្មេញ:

a. ទប់ត្រង់កម្លាំងសន្តកត្រង់ផ្ទៃទំពារ

b. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Linguale

c. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Distale

d. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Vestibulaire

18 / 60

Rest ការពារៈ:

a. អោយរបូតចេញពីជាលិកាទន់

b. មិនអោយរបួសដល់ជាលិកាទន់

c. មិនអោយរបូតចេញពីជាលិកាទន់

d. អោយរបួសដល់ជាលិកាទន់

19 / 60

Usually rest seats are located at:

a. Dentin

b. At cement enamel junction

c. Enamel

d. The junction of enamel and dentin

20 / 60

The guide surface or guide plate preparation should be curved:

a. Occlusio-gingivally

b. Mesio-distally

c. Mesial and distal parallelism

d. Bucco-lingually

21 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

b. ទាំងបីខាងលើត្រូវ

c. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

d. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

22 / 60

The total retention for a RPD is obtained from:

a. Major connector and minor connectors

b. Denture style retention(adhesion ,cohesion ,interfacial surface tension)

c. Pontic with major connector

d. Natural teeth and major connector

23 / 60

Considering the design of an RPD for the mandibular arch:

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

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

c. Retentive clasps are required next to each edentulous space

d. A dual path of insertion should be considered

24 / 60

Minor Connector តភ្ជាប់ទៅ :

a. Denture Base

b. Abutment

c. Dent Artificielle

d. Clasp

25 / 60

Removable Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះមិនបាន

c. ទាំងបីខាងលើត្រូវ

d. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះចេញចូលបាន

26 / 60

The correct answer the basic movements of the mandible:

a. Translatory movements relative to centric relation

b. Hinge , lateral and translatory movement

c. Hinge, chewing and yawing

d. Lateral, dimension, excursion

27 / 60

Minor Connector ចែកទំងន់ទៅលើៈ:

a. ស្ពានសំខាន់

b. Clasp

c. តួអញ្ចាញដែលគ្មានធ្មេញ

d. Rest

28 / 60

What is component of a clasp assembly is:

a. One or more major connectors

b. One or more minor connectors

c. One or more proximal plates

d. One or more denture bases

29 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយប្រសើរនូវៈ:

a. ទាំង 3ខាងលើត្រូវ

b. ទំពារអាហារ

c. ការលេបអាហារ

d. បៀមអាហារ

30 / 60

Incisal rests:

a. All are correct

b. a generally more positive vertical stops than cingulum rests

c. may interfere with the opposing occlusion

d. should not be used on maxillary incisors

31 / 60

Floor of the rest seat should be:

a. Flat

b. Spoon shaped

c. Concave

d. Convex

32 / 60

Rest Plate System វាមានកន្លែងទប់នៅចំណុចៈ:

a. ប្រសព្វនៃផ្ទៃ Vestibulaire

b. ប្រសព្វនៃផ្ទៃ Crête alvéolaire.

c. ប្រសព្វផ្ទៃទំពារ និងផ្ទៃជិតជាប់ និងស្ពានតូច

d. ប្រសព្វផ្ទៃ Linguale

33 / 60

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

a. It should extend for lingually

b. They avoid wedging by the framework

c. They do not shunt food

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

34 / 60

Reciprocal Arm សន្តូក :

a. លើមុខទំពារ

b. លើបន្ទាត់ស្ទង់

c. ក្រោមបន្ទាត់ស្ទង់

d. លើគន្លងនៃមុខទំពារ

35 / 60

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

a. Pull of food

b. Mastication

c. Gravity

d. Moving border tissues

36 / 60

Rest អាចសណ្តូកលើផ្ទៃ:

a. Occlusal

b. Distale

c. ខាង Mésial

d. Vestibulaire

37 / 60

Guide plates for anterior teeth:

a. Should be kept to the proximal faces for esthetics

b. Should be kept to the cingular 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

38 / 60

Occlusal rest preparation should be:

a. at least 1/3 the bucco lingual width of the occlusal surface

b. all are correct

c. spoon shaped

d. at least one millimetre deep

39 / 60

What are the functions of an indirect retainer:

a. To link the major connector and other parts of the prosthesis together

b. To prevent vertical dislodgement of the distal extension base of a RPD

c. To prevent horizontal dislodgement of the distal extension base of a RPD

d. To connect the parts of the prosthesis located on one side of the arch with those on the opposite side

40 / 60

The kennedy classification of this RPD is…….in the mandibular which lost all posterior teeth on both side:

a. Kennedy class II

b. Kennedy class I mod. I

c. Kennedy class II mod .I

d. Kennedy class I

41 / 60

Acrylic resin bases is :

a. ease of repair

b. all are corrected

c. esthetics

d. most common type

42 / 60

In the mesial rest, guide plane and i-bar design, reciprocation is achieved by:

a. flexible plating

b. major connectors

c. retentive clasp arm

d. minor connectors

43 / 60

Method to determine height of floor of the mouth is:

a. use of periodontal probe

b. use of straight probe

c. use of individualized impression tray

d. use of periodontal probe and use of individualized impression tray

44 / 60

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

a. minor connectors joining major connector at <90>

b. keeping minimum of 4 mm distance for major connector

c. keeping minimum of 6 mm distance for major connector

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

45 / 60

Functions of a Major connector:

a. functions as one unit

b. component of RPD connect to acrylic resin

c. kind of metal chrome cobalt

d. unification, stress distribution, cross arch stabilization

46 / 60

When internal occlusal rests are used, we can use:

a. Lingual retentive arm

b. Proximal retentive arm

c. Lingual reciprocal arm

d. Buccal reciprocal arm

47 / 60

Back action clasp use:

a. Class I

b. Class IV

c. Class II

d. Class III

48 / 60

Infrabulge clasp is advocated by:

a. Wills

b. Applegate

c. Devan

d. Kennedy

49 / 60

An anterior posterior palatal strap major connector is less rigid than a horseshoe major connector because it (the AP strap) has less width:

a. The first statement is false but the reason is true

b. The first statement is true and the reason is true

c. The first statement is false and the reason is also false

d. The first statement is true but the reason is false

50 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Retentive arm

b. Shoulder

c. Terminal arm

d. Rest

51 / 60

The internal finish line is:

a. a special type of above

b. the butt joint between the metal and resin acrylic on the outer surface of the RPD

c. a type of posterior palatal seal

d. the butt joint between the metal and resin acrylic on the tissue side of the edentulous area

52 / 60

Retentive arm នៅ:

a. ពក Vestibulaire នៃធ្មេញជន្ទល់

b. ត្រង់ Undercut នៃធ្មេញជន្ទល់

c. ចំណុចប៉ះមុខ Mesiale នៃធ្មេញជន្ទល់

d. ពក Linguale នៃធ្មេញជន្ទល់

53 / 60

Cleaning a removable partial denture in sodium hypochlorite may result in:

a. increased caries activity

b. corrosion of the metal the framework

c. whitening acrylic resin and artificial teeth

d. increased periodontal problems

54 / 60

សាច់ដុំ Depression or opening of the mouth:

a. Internal Pterygoids

b. Masseter

c. Temporal

d. External Pterygoids

55 / 60

Intracoronal retainer mechanism is:

a. Engaging the undercut intracoronally

b. Frictional resistance

c. Any of the above

d. Dimpling

56 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Inferior

b. Lingual side

c. Centre

d. Buccal side

57 / 60

Denture bases of RPD offer:

a. Primary retention and Mechanical retention

b. Primary retention

c. Mechanical retention

d. Secondary retention

58 / 60

Mandibular gridwork design of minor connectors:

a. extend 2/3 of the way from abutment tooth to retromolar pad

b. prevents thin, edges fracturing

c. maximum bulk of the acrylic resin

d. extend fully to the hamular notch

59 / 60

La dimension vertical d’équilibre de repos នៅក្នុងមាត់ធ្មេញមុខមានចន្លោះ:

a. 2 à 4mm

b. 1 à 2mm

c. 3 à 4mm

d. 2 à 3mm

60 / 60

Advantage of palatal strap :

a. can be used in Kennedy class I partial dentures

b. more economical and comfortable to the patient

c. increased retention of appliance

d. increased rigidity with less bulk

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត