Partial Denture I Test

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1 / 60

ទំពក់ Circlet:

a. ទប់ជាប់ល្អដូច Bar Clasp

b. តោងជាប់ល្អដូច Bar Clasp

c. ទប់ជាប់ស្អិតដូច Bar Clasp

d. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

2 / 60

Retentive arm:

a. រឹងខ្លាំងពត់មិនកើត

b. ត្រូវតែពត់តាមកំពស់រង្វង់ធ្មេញ

c. ទាំង3ខាងលើត្រូវ

d. មិនអាចបត់បែនបានតាមកំពស់រង្វង់ធ្មេញ

3 / 60

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

a. All are correct

b. Diagonal spurs

c. Retention loops

d. Nail heads

4 / 60

The superior border of linqual bar should be:

a. At least 7 mm below the gingival margin

b. At least 4 mm below the gingival margin

c. At the cingulum of anterior teeth

d. Deep in the linqual sulcus

5 / 60

An ideal clasp assembly should possess the following quality:

a. Support and rotation

b. Support

c. Support and deduction

d. Support and protrusion

6 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក រំលែកបន្ទុកលើផ្ទៃ:

a. Occlusal

b. Mésisal

c. Vestibulaire

d. Linguale

7 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Terminal arm

b. Shoulder

c. Retentive arm

d. Rest

8 / 60

Guiding planes which are not in the same parallel plane horizontally:

a. Enhance cross-arch resistance to horizontal rotation

b. Decrease the stabilization

c. Decrease cross-arch resistance to horizontal rotation

d. Increase the food trap

9 / 60

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

a. minor connectors

b. major connectors

c. flexible plating

d. retentive clasp arm

10 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

b. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

c. ទាំងបីខាងលើត្រូវ

d. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

11 / 60

Intracoronal retainer mechanism is:

a. Frictional resistance

b. Dimpling

c. Any of the above

d. Engaging the undercut intracoronally

12 / 60

Stability is mainly against:

a. forces against removal of prosthesis

b. functional forces

c. horizontal forces

d. horizontal forces and functional forces

13 / 60

The guide surface or guide plate preparation should be curved:

a. Mesio-distally

b. Mesial and distal parallelism

c. Occlusio-gingivally

d. Bucco-lingually

14 / 60

Denture bases of removable partial denture offer:

a. Primary retention

b. Primary and mechanical retention

c. Mechanical retention

d. Secondary retention

15 / 60

Advantages of resin bases is :

a. lower strength / wear resistance than metal

b. esthetically superior to metal bases

c. porous – hygiene

d. dimensional stability-warp

16 / 60

The superior border of lingual bar should lie :

a. at least 4mm below the gingival margin

b. at the cingulum of anterior teeth

c. at least 8mm below the gingival margin

d. deep in the lingual sulcus

17 / 60

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

a. Length of distal extension base

b. Location of principal abutment

c. Rigidity of the indirect retainer

d. Location of fulcrum line

18 / 60

More acceptable esthetically and less caries formation for bar clasp is:

a. T clasp

b. I clasp

c. Y clasp

d. U clasp

19 / 60

The external finish line is:

a. the external of framework metal and denture base plastic

b. the external of framework metal and supporting tissues

c. the external of framework metal and the natural teeth

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

20 / 60

Rest នៅផ្នែក Cingulum គេប្រើៈ:

a. នៅធ្មេញមុខលើ

b. នៅធ្មេញចង្កូមលើ

c. នៅថ្គាមលើ

d. នៅថ្គាមតូចលើ

21 / 60

Minor Connector ចែកទំងន់ទៅលើៈ:

a. Rest

b. តួអញ្ចាញដែលគ្មានធ្មេញ

c. ស្ពានសំខាន់

d. Clasp

22 / 60

Supporting strut for ring clasp should be placed on the:

a. On the non retentive side of the abutment

b. Retentive side of the clasp

c. Near the retentive terminal

d. Retentive side of the clasp and Near the retentive terminal

23 / 60

Physiologic adjustment of the framework is related to:

a. The minor connector and natural teeth

b. The rest and indirect retainer

c. Functional movement of the framework

d. The major connector and natural teeth

24 / 60

Bar Clasp ចូលដល់ Undercut ពីខាង:

a. អញ្ចាញ

b. មុខ Mésiale

c. មុខ Occlusal

d. មុខ Distale

25 / 60

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

a. Sphénoide

b. Edmoide

c. Temporal

d. Appophyse crista-galli

26 / 60

Internal occlusal rests are indicated in:

a. Tooth tissue supported class II designs

b. Tooth supported class III designs

c. All distal extension denture base designs

d. Tooth tissue supported class I designs

27 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ជាលិកាស្រកទៅនៅដដែល

b. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

c. ដាក់ទៅកកិតនឹងជាលិកា

d. ឈឺសាច់ជាលិកា

28 / 60

All of the following clasps are infrabulge clasps except:

a. Modified T bar

b. Aker clasp

c. I bar

d. Roach clasp

29 / 60

Following parts of a removable partial denture may act as indirect retainer, except:

a. Minor connector supporting rests

b. Rests

c. Retentive tip

d. Proximal plates

30 / 60

Ring Clasp អាចទប់នឹង:

a. មិនអាចទប់នឹងទំងន់ផ្តេក

b. កំលាំងផ្តេក

c. ទាំង 3ខាងលើត្រូវ

d. កំលាំងបណ្តោយតាមមុខទំពារ

31 / 60

Advantage of palatal strap :

a. more economical and comfortable to the patient

b. can be used in Kennedy class I partial dentures

c. increased retention of appliance

d. increased rigidity with less bulk

32 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីអោយធ្មេញនៅសល់ៈ:

a. ដុះលូតឡើង

b. ស្រុតចុះក្រោម

c. ទ្រេតខុសជួរ

d. តាមកំរិតដើម

33 / 60

Body ភ្ជាប់ពី Shoulder ទៅៈ:

a. Reciprocal arm

b. Minor Connector

c. Retentive terminale

d. Retentive clasp arm

34 / 60

Component of a clasp assembly are:

a. One rest, a retentive arm , a bracing or reciprocating element, one minor connector

b. One minor connector, one major connector, one rest, two rests, one retentive arm, one bracing arm

c. One or two rests, a retentive arm, a bracing or reciprocating element, one minor connectors, one major connector

d. Two minor connectors, one major connector , one rest, one retentive arm, one bracing or reciprocating element

35 / 60

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. A dual path of insertion should be considered

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

36 / 60

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

a. Dual path of insertion should be considered

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

c. Retentive clasps are required next to each edentulous space

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

37 / 60

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

a. Retentive clasp arm

b. Minor connector

c. Rest

d. Reciprocating arm

38 / 60

The external finish lines on this framework are:

a. Would allow for acrylic and metal

b. Indistinct

c. too deep or over contoured

d. Correct

39 / 60

Minor connector for maxillary distal extension denture base extend unto:

a. One-third the length of edentulous ridge

b. Entire the length of edentulous ridge

c. Two-third the length of edentulous ridge

d. Half the length of the edentulous ridge

40 / 60

Minor Connector ភ្ជាប់ពី Rest ទៅៈ:

a. Major Connector

b. Denture Base

c. Clasp

d. Pontic

41 / 60

Anterior posterior palatal strap especially use is:

a. minimum bulk

b. torus palatal

c. use in most cases

d. maximum rigidity

42 / 60

A jaw which is moving in a ”left or right” motion would be called what type of movement:

a. horizontally protrusive

b. lateral

c. lateral pure hinge

d. lateral protrusion

43 / 60

Mandibular gridwork design of minor connectors:

a. maximum bulk of the acrylic resin

b. prevents thin, edges fracturing

c. extend fully to the hamular notch

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

44 / 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

45 / 60

RPD is indicated in all EXCEPT :

a. multiple edentulous spaces

b. excessive loss of alveolar bone

c. long edentulous span

d. distal abutment loss

46 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. នៅផ្នែកខាងក្រោយតែម្ខាង

b. នៅផ្នែកខាងក្រោយបង្អស់

c. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

d. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

47 / 60

Rest អាចសណ្តូកលើផ្ទៃ:

a. Vestibulaire

b. ខាង Mésial

c. Distale

d. Occlusal

48 / 60

Full incisal rests are indicated in following except:

a. To provide anterior guidance

b. To abrade anatomy of teeth

c. To provide retention

d. To provide stabilization

49 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. អោយហួសចំណុះធ្មេញ 2 ឬ 3 ដែលនៅសល់

b. អោយធ្មេញនៅសល់ 2 ឬ 3 រង្គើ

c. កុំអោយធ្មេញដែលនៅសល់ 2 ឬ 3 ហួសចំណុះ

d. អោយធ្មេញនៅសល់ 2 ឬ 3 ឈឺ

50 / 60

The kennedy classification of this RPD is:

a. Kennedy class I

b. kennedy class II mod I

c. Kennedy class II

d. Kennedy class I mod I

51 / 60

Clasp retention is:

a. Perpendicular to path of placement and Resistance of metal to deformation

b. Perpendicular to path of placement

c. Resistance of metal to deformation

d. Tight holding of tooth by the clasps

52 / 60

Dislodgement of indirect retainer from its seat when rotation occurs, indicates:

a. Need to reline the distal extension denture base

b. Inefficiency of direct retainer

c. Efficient indirect retainer and Need to reline the distal extension denture base

d. Efficient indirect retainer

53 / 60

Fixed Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដល់គ្នាដោះបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតហើយដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះបាន

54 / 60

A clasp assembly should:

a. have elements that considered together provide 180 degree encirclement

b. have a retentive arm that terminates in an undercut

c. All are correct

d. have a retentive arm with adequate length and taper for flexibility

55 / 60

Minor Connector តភ្ជាប់ទៅ :

a. Dent Artificielle

b. Clasp

c. Abutment

d. Denture Base

56 / 60

Occlusal rest preparation should be:

a. spoon shaped

b. all are correct

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

d. at least one millimetre deep

57 / 60

Continuous bar lies:

a. on or above cingula of anterior teeth

b. on cingulum of anterior teeth

c. on incisal third of the lingual side of the anterior teeth

d. on lingual side of anterior teeth

58 / 60

Following factors increase effectiveness of indirect retainer, except:

a. Quality of direct retainer

b. Distance from fulcrum line

c. Supporting tooth surface

d. Increased flexibility of minor connector used

59 / 60

In this Class I mandibular removable partial denture, rests preparations on the cingulum of (#33&#43):

a. Would provide indirect retention for the removable partial denture

b. Are not indicated in this case

c. Are correct if rests preparations are good

d. Would provide indirect retention for the removable partial denture if covered by the major connector

60 / 60

Retentive Arm :

a. ដាក់លើបន្ទាត់ស្ទង់

b. ដាក់ពីចំហៀងបន្ទាត់ស្ទង់

c. ទាំង 3ខាងលើត្រូវ

d. ដាក់ក្រោមបន្ទាត់ស្ទង់

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត