Partial Denture I Test

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1 / 60

Shoulder ធ្វើអោយៈ:

a. ទាំងបីខាងលើត្រូវ

b. របូត

c. ឃ្លីងឃ្លោង

d. មានលំនឹង

2 / 60

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

a. Minor connector supporting rests

b. Retentive tip

c. Proximal plates

d. Rests

3 / 60

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

a. Depend on infrabulge and suprabulge

b. None of above

c. Undercuts for direct retainer

d. Depend on edentulous areas

4 / 60

Maxillary major connectors most common use is:

a. palatal strap

b. full palatal strap

c. anterior palatal strap

d. anterior posterior palatal strap

5 / 60

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

a. Distal and mesial rests half and half clasp

b. Mesial rest and I- bar clasp

c. Distal and mesial rests

d. Mesial rest and back action clasp

6 / 60

Mesh type of grid work minor connectors is:

a. Struts are too thick

b. Potentially superior retention

c. Potentially more rigid

d. Interferes with setting of teeth

7 / 60

Ponctic គឺតួស្ពានដែលធ្វើអំពីៈ:

a. Plastic ឬ metal crown

b. Ciment

c. Composite

d. Amalgame

8 / 60

For obtaining functional impression for RPD :

a. teeth are recorded in functional form and ridge in anatomical form

b. teeth and ridge are recorded both in anatomical and functional form

c. teeth are recorded in anatomical form and ridge in functional form

d. all are corrected

9 / 60

Following are true for I bar clasp, except:

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

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

c. Whole arm of the clasp contacts abutment

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

10 / 60

Infrabulge clasp is a type of::

a. Circumferentially approaching clasp

b. Bar clasp

c. Akers clasp

d. Ring clasp

11 / 60

Floor of the rest seat should be:

a. Convex

b. Flat

c. Concave

d. Spoon shaped

12 / 60

An ideal clasp assembly should possess the following quality:

a. 160 degree encirclement

b. 180 degree encirclement

c. 45 degree encirclement

d. 90 degree encirclement

13 / 60

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

a. Soft tissue of residual ridge

b. Supporting abutment teeth

c. Periodontal ligament

d. Are all corrected

14 / 60

Reciprocal Arm សន្តូក :

a. ក្រោមបន្ទាត់ស្ទង់

b. លើគន្លងនៃមុខទំពារ

c. លើបន្ទាត់ស្ទង់

d. លើមុខទំពារ

15 / 60

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

a. Stress distribution

b. Cross Arch stabilization

c. All are correct

d. Unification

e. Rigidity

16 / 60

Infrabulge clasp is advocated by:

a. Applegate

b. Devan

c. Kennedy

d. Wills

17 / 60

What is component of a clasp assembly is:

a. One or more major connectors

b. One or more proximal plates

c. One or more denture bases

d. One or more minor connectors

18 / 60

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

a. U clasp

b. Y clasp

c. I clasp

d. T clasp

19 / 60

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

a. Location of principal abutment

b. Location of fulcrum line

c. Length of distal extension base

d. Rigidity of the indirect retainer

20 / 60

Most common complaint of the patient with a thick palatal bar in a RPD is :

a. distortion under occlusal stress

b. loss of taste sensation

c. poor dissipation of force due to rigidity

d. difficulty in pressing the food backward and swallowing

21 / 60

លក្ខខ័ណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែកត្រូវប្រើៈ:

a. Composite ជំនួសកន្លែងបាត

b. Amalgame ជំនួសកន្លែងបាត

c. Resine arcrylic ជំនួសកន្លែងបាត

d. Porcelaine ជំនួសកន្លែងបាត

22 / 60

Which of the following clasps commonly utilize lingual undercut ?:

a. Ring clasp , I bar clasp

b. Half and half clasp, Back action clasp

c. Half and half clasp, Ring clasp

d. Extended arm clasp, Akers clasps

23 / 60

The denture base acrylic resin minor connector on the patient’s left side should correctly be located:

a. 2/3 to ½ the length of the residual ridge

b. 1/3 the length of the residual ridge

c. On the retromolar pad

d. Have a mesh acrylic retention area

24 / 60

Retention of RPD is obtained by:

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

b. Rests and rest seats

c. Denture bases and minor connectors

d. Retaining elements and denture bases

25 / 60

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

a. At the hamular notch

b. Opposite stenon’s duct

c. Opposite the buccal pouch

d. In the glenoid fossa

26 / 60

Lattice pattern is preferable for mesh pattern of minor connector to connect denture base to major connector because:

a. It gives excellent attachment

b. It gives excellent attachment while minimizing warping resin bases

c. Gives bulk to the minor connector

d. It gives excellent attachment and Gives bulk to the minor connector

27 / 60

Tripoding is the method used:

a. For recording the relation of the cast to the surveyor

b. To have reproducible position of the cast on the surveyor

c. To determine the areas on the tooth where the gingivally approaching clasp, occlusal rest of the reciprocal arm are going to placed

d. For giving clasp assemblies at 3 points

28 / 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. hinge

b. translatory excursion

c. lateral

d. centric relation

29 / 60

Major Connector ធ្វើអោយៈ:

a. មានដំបៅលើសាច់ក្រអូម

b. មានសភាពសុខស្រួលនៅក្នុងមាត់

c. ក្រអូមទន់រយាក

d. ធ្វើអោយមានពកសាច់ក្រអូម

30 / 60

Retentive tip of a clasp should usually be designed to be placed in:

a. The gingival 1/3

b. The occlusal 1/3

c. The gingival 2/3

d. The occlusal 2/3

31 / 60

If a third molar is absent and not to be replaced :

a. it is not consideration in the classification of partial dentures

b. none applies

c. it is considered important for classification

d. it may or may not be considered

32 / 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 I mod. II

b. Class IV mod. II

c. Class I mod. I

d. Class II mod. I

33 / 60

Cohésion គឺជាទំនាញ Molécule:

a. 3 ខុសគ្នា

b. 2 ខុសគ្នា

c. 4 ដូចគ្នា

d. 1 ដូចគ្នា

34 / 60

Non-retentive clasp arm is best placed at the:

a. Between occlusal and middle third

b. Gingival third of the tooth

c. Between middle and gingival third

d. On the occlusal third

35 / 60

Anterior posterior palatal strap especially use is:

a. use in most cases

b. maximum rigidity

c. minimum bulk

d. torus palatal

36 / 60

In the following philosophy of RPI system, the functional force is distributed evenly between tooth and tissue:

a. Where proximal plate extends up to the junction of the middle and gingival third

b. Where proximal plate contacts entire length of the guiding plane

c. Where there is more relief underneath proximal plate

d. Where only 1mm of proximal plate contacts guiding plane

37 / 60

Considering the design of an RPD for the mandibular arch:

a. A dual path of insertion should be considered

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

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

d. Retentive clasps are required next to each edentulous space

38 / 60

Which of the following steps is done LAST ?:

a. Centric relation records

b. Rest preparation

c. Framework try in

d. Altered cast impression

39 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. ទាញ

b. រុញទល់នឹងកន្លែងទប់

c. រុញនៅត្រឹមអញ្ចាញ

d. រុញហួសពីកន្លែងទប់

40 / 60

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

a. Kennedy class III mod. I

b. Kennedy class III mod. II

c. Kennedy class III mod. III

d. Kennedy class III

41 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាស់ធ្មេញ:

a. ទប់ត្រង់កម្លាំងសន្តកត្រង់ផ្ទៃទំពារ

b. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Linguale

c. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Vestibulaire

d. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Distale

42 / 60

The advantage of using a metal denture base is :

a. increase in restorative cost

b. easy laboratory procedure

c. increase in tissue tolerance

d. rebasing and relining are quite easy

43 / 60

Guide plates for anterior teeth:

a. Should be kept to the proximal faces for esthetics

b. Should be kept to the labial for esthetics

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

d. Should be kept to the cingular for esthetics

44 / 60

Cast:

a. ម៉ូដែលធ្មេញដែលធ្វើពីដែក

b. ម៉ូដែលធ្មេញដែលធ្វើពីម្នាងសិលា

c. ម៉ូដែលធ្មេញដែលធ្វើពីក្រមួន

d. ម៉ូដែលធ្មេញដែលធ្វើពីជាតិនីឡុង

45 / 60

A removable partial denture may be:

a. All tooth supported

b. All tissues supported

c. Tooth and tissues supported

d. All tooth supported and tissues supported

46 / 60

Designing of a prosthesis requires following consideration:

a. Are all corrected

b. Mechanical

c. Biological

d. Esthetic

47 / 60

Tissue stops in impression tray aids in :

a. stronger impression tray

b. proper retention

c. better acrylic flow

d. anterior- posterior stabilization

48 / 60

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

a. Present high lingual frenum and buccally anterior teeth

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

c. Present lingual tori and big tongue

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

49 / 60

Major Connector ជាស្ពានៈ:

a. មិនសូវសំខាន់

b. មិនសូវមាំ

c. សំខាន់

d. បន្ទាប់បន្សំ

50 / 60

What are the functions of an indirect retainer:

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

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

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

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

51 / 60

Retentive arm នៅ:

a. ពក Vestibulaire នៃធ្មេញជន្ទល់

b. ពក Linguale នៃធ្មេញជន្ទល់

c. ចំណុចប៉ះមុខ Mesiale នៃធ្មេញជន្ទល់

d. ត្រង់ Undercut នៃធ្មេញជន្ទល់

52 / 60

Rest Plate System វាមានកន្លែងទប់នៅចំណុចៈ:

a. ប្រសព្វនៃផ្ទៃ Vestibulaire

b. ប្រសព្វនៃផ្ទៃ Crête alvéolaire.

c. ប្រសព្វផ្ទៃ Linguale

d. ប្រសព្វផ្ទៃទំពារ និងផ្ទៃជិតជាប់ និងស្ពានតូច

53 / 60

What is a RPD component is not needed in this type of case?:

a. Major connector

b. Guide planes

c. Direct retainers

d. Indirect retainers

54 / 60

Bar Clasp វាគ្របលើក្រឡាផ្ទៃ :

a. ប្រឡោះចង្អៀត

b. តូច

c. ទូលាយ

d. ធំ

55 / 60

Component of a clasp assembly is:

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

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

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

d. One or two rests, a retentive arm, a bracing or reciprocating element and one or two minor connector

56 / 60

Lingual bar is used in conditions where :

a. when abutment teeth have poor bony support

b. lingual sulcus is deep

c. when splinting of adjacent teeth is required

d. lingual sulcus is shallow

57 / 60

Parts that offer support for RPD are following:

a. Rest and denture base

b. Rest and reciprocal arm

c. Rest and minor connector

d. Rest and retentive arm

58 / 60

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

a. Kennedy class I

b. Kennedy class IV mod. I

c. Kennedy class IV

d. Kennedy class I mod. I

59 / 60

The guide surface or guide plate preparation should be curved:

a. Mesio-distally

b. Bucco-lingually

c. Mesial and distal parallelism

d. Occlusio-gingivally

60 / 60

ទំពក់ Circlet:

a. ទប់ជាប់ស្អិតដូច Bar Clasp

b. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

c. ទប់ជាប់ល្អដូច Bar Clasp

d. តោងជាប់ល្អដូច Bar Clasp

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត