Partial Denture I Test

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1 / 60

Uses of multiple clasp includes following except:

a. When only available retentive areas are adjacent to each other

b. In class II modification 1 areas

c. When teeth from entire half of denture arch are missing

d. When additional retention is needed in class III cases

2 / 60

For the preparation of rest seat:

a. The outline to have greater width than length

b. Marginal ridge should be reduced by 1 mm

c. Marginal ridge should be reduced by 25 mm

d. The outline to have greater length than width

3 / 60

Shoulder សន្តូកលើៈ:

a. Face Occulsale

b. Distale

c. បន្ទាត់ស្ទង់

d. Face Mésial

4 / 60

Mandibular gridwork design of minor connectors:

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

b. extend fully to the hamular notch

c. prevents thin, edges fracturing

d. maximum bulk of the acrylic resin

5 / 60

លក្ខខ័ណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែកត្រូវប្រើៈ:

a. Amalgame ជំនួសកន្លែងបាត

b. Composite ជំនួសកន្លែងបាត

c. Porcelaine ជំនួសកន្លែងបាត

d. Resine arcrylic ជំនួសកន្លែងបាត

6 / 60

Infrabulge clasps originate:

a. above the height of contour

b. above the 12mm undercut areas

c. above the occlusal surface of most premolars

d. below the height of contour

7 / 60

Denture bases of RPD offer:

a. Mechanical retention

b. Secondary retention

c. Primary retention

d. Primary retention and Mechanical retention

8 / 60

Subjacent Tissue:

a. ទាំងបីខាងលើត្រូវ

b. ជាលិកាទាំងអស់ដែលបាតក្រអូមគ្រប

c. ជាលិកាមួយផ្នែកដែលបាតក្រអូមគ្រប

d. ជាលិកាខ្លះដែលបាតក្រអូមគ្រប

9 / 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. Opposite stenon’s duct

b. Opposite the buccal pouch

c. At the hamular notch

d. In the glenoid fossa

10 / 60

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

a. Guide planes

b. Indirect retainers

c. Direct retainers

d. Major connector

11 / 60

Parts that offer support for RPD are following:

a. Rest and denture base

b. Rest and retentive arm

c. Rest and reciprocal arm

d. Rest and minor connector

12 / 60

Physiologic adjustment of the framework:

a. Should be done at the framework try-in appointment

b. Is usually done at delivery of the RPD

c. Is usually done at the records appointment

d. May be omitted in the presence of strong abutments and good residual ridges

13 / 60

For obtaining functional impression for RPD :

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

b. all are corrected

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

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

14 / 60

Tissue stops are useful in:

a. Stops the tissue impingement by tray

b. Engaging buccal slope of the residual ridge

c. Stabilizing framework during processing and Stops the tissue impingement by tray

d. Stabilizing framework during processing

15 / 60

Minor Connector ចែកទំងន់ទៅលើៈ:

a. Rest

b. Clasp

c. តួអញ្ចាញដែលគ្មានធ្មេញ

d. ស្ពានសំខាន់

16 / 60

Lattice type of grid work minor connectors is:

a. Flatter

b. Less retention for acrylic resin

c. Potentially more rigid

d. Potentially superior retention

17 / 60

Angle at junction between major connector and denture base minor connector should be:

a. > 90 degrees

b. > 110 degrees

c. 90 degrees

d. < = 90 degrees

18 / 60

Best selection of preventing abutments tooth of class I Kennedy from the negative effects of the additional load applied to them is by:

a. Placing distal rests on the distal abutment

b. Keeping a light occlusion on the distal extensions

c. Splinting abutment with adjacent teeth

d. Regular relining of distal extensions

19 / 60

Following factors increase effectiveness of indirect retainer, except:

a. Increased flexibility of minor connector used

b. Quality of direct retainer

c. Supporting tooth surface

d. Distance from fulcrum line

20 / 60

Most important property of a RPD :

a. retention

b. stability

c. occlusion

d. prevention of tooth migration

21 / 60

Method to determine height of floor of the mouth is:

a. use of periodontal probe

b. use of individualized impression tray

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

d. use of straight probe

22 / 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 and the reason is also false

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

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

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

23 / 60

Abutment:

a. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

b. ធ្មេញផ្លាស់ថ្មី

c. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

d. ធ្មេញធម្មជាតិនៅមាន

24 / 60

Deepest part of a rest seat is towards:

a. Disto-lingual line angle

b. Disto- buccal line angle

c. Central fossa

d. Marginal ridge

25 / 60

Rest អាចបញ្ចូនទំងន់តាម :

a. មុខទំពារ

b. តាមទិសបញ្ឆិតនៃ Long Axis Abutment

c. តាមទិសផ្តេកនៃ Long Axis Abutment

d. តាមទិស Long Axis Abutment

26 / 60

Guiding plane are:

a. usually multiple

b. usually parallel

c. usually multiple and usually parallel

d. usually single

27 / 60

Internal occlusal rests are indicated in:

a. Tooth tissue supported class I designs

b. Tooth supported class III designs

c. Tooth tissue supported class II designs

d. All distal extension denture base designs

28 / 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

29 / 60

Retentive arm ចូលទៅក្នុងៈ:

a. Undercut

b. កន្លែងដែលមានពក

c. កន្លែងរាបស្មើ

d. កន្លែងគ្មាន Undercut

30 / 60

Tripoding is the method used:

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

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

c. For giving clasp assemblies at 3 points

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

31 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. រុញហួសពីកន្លែងទប់

b. ទាញ

c. រុញនៅត្រឹមអញ្ចាញ

d. រុញទល់នឹងកន្លែងទប់

32 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Ovoid

b. Tapering

c. Square

d. Triangular

33 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Artificial teeth

c. Abutment

d. Rest

34 / 60

Rest អាចៈ:

a. សង្កត់លើជាលិកាទន់ឈឺ

b. អោយជាលិការហែក

c. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

d. អោយជាលិកាទន់នៅដដែល

35 / 60

To prevent dislodgement of abutment in distal extension RPD, it is required to have a :

a. positive denture base-tissue relationship

b. multiple clasping

c. indirect retainer

d. stress breaker

36 / 60

Which of the following clasps commonly utilize lingual undercut?:

a. Extended arm clasp

b. Back action clasp

c. Ring clasp

d. Embrasure clasp

37 / 60

Labial bar is indicated when:

a. There is a diastema

b. There are periodontally weak teeth

c. There is labial inclination of teeth

d. There is linqual inclination of teeth

38 / 60

The Kennedy classification of this RPD is:

a. Kennedy class IV mod I

b. Kennedy class III mod I

c. Kennedy class III

d. Kennedy class II mod I

39 / 60

Designing of a prosthesis requires following consideration:

a. Esthetic

b. Are all corrected

c. Biological

d. Mechanical

40 / 60

All of the following clasps are infrabulge clasps except:

a. I bar

b. Modified T bar

c. Roach clasp

d. Aker clasp

41 / 60

Occlusal rest preparation should be:

a. teardrop shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

b. pear shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

c. flat shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1mm deep

d. spoon shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1m deep

42 / 60

ចំណាត់ថ្នាក់ទី ២ នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញ :

a. ខាងទាំងពីរ

b. ក្រោយតែម្ខាង

c. ខាងមុខតែមួយ

d. ក្រោយទាំងសងខាង

43 / 60

The superior border of this major connector:

a. Is correctly adapted to the teeth

b. is too low

c. is too small

d. Is not acceptably adapted to the teeth

44 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បី :

a. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

b. ជាលិកាស្រកទៅនៅដដែល

c. ដាក់ទៅកកិតនឹងជាលិកា

d. ឈឺសាច់ជាលិកា

45 / 60

Major Connector ភ្ជាប់ពីៈ:

a. Minor Connector

b. Rest

c. Shoulder

d. Body

46 / 60

ទំពក់ Circlet:

a. ពិបាកធ្វើគំរោង

b. ស្រួលធ្វើគំរោង

c. ពិបាកដាក់លើធ្មេញជន្ទល់

d. ពិបាកពត់ឡើងចុះ

47 / 60

Methods to check loss of support for distal extension denture base include following except:

a. Applying alternate pressure over the artificial teeth

b. Allowing tissue rest by removing the RPD

c. Evidence for heavy occlusal contacts of natural dentition

d. Using free flowing irreversible hydrocolloid under denture base

48 / 60

Which one of the following Kennedy classes of RPD, never has an axis of rotation?:

a. class III of Kennedy

b. class IV of Kennedy

c. class I of Kennedy

d. class II of Kennedy

49 / 60

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

a. Kennedy class III

b. Kennedy class III mod. III

c. Kennedy class III mod. I

d. Kennedy class III mod. II

50 / 60

The junction of mandibular minor connector with major connector is :

a. acrylic forms the joint

b. butt joint

c. there is no joint

d. ball and socket joint

51 / 60

The external finish lines on this framework are:

a. Indistinct

b. Correct

c. too deep or over contoured

d. Would allow for acrylic and metal

52 / 60

Back action clasp use:

a. Class IV

b. Class II

c. Class I

d. Class III

53 / 60

The mandibular distal extension RPD extends up to :

a. anterior one third length of retro –molar pad

b. anterior 2/3 of retro-molar pad

c. full length of retromolar pad

d. just behind abutment

54 / 60

ទំពក់ Circlet Arm គ្របលើរចនាសម្ព័ន្ធធ្មេញច្រើនដូច្នេះវាៈ:

a. មិនសូវមានសោភ័ណភាព

b. មានសោភ័ណភាពច្រើន

c. មើលទៅឃើញដែកតិច

d. មើលទៅឃើញក្បាច់រចនាតិច

55 / 60

ចំណាត់ថ្នាក់ទី 4 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកខាង

b. ក្រោយតែម្ខាង

c. មុខដែលមានធ្មេញធម្មជាតិនៅសងខាង

d. ក្រោយទាំងសងខាង

56 / 60

All of the following are advantages of the gingivally approaching clasps as compared to occlusally approaching clasps, except:

a. esthetically superior in most cases

b. less distortion of coronal contours

c. less bothersome to vestibular tissues

d. less tooth contact

57 / 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

58 / 60

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

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

b. Do not place a rest on this tooth

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

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

59 / 60

The diagnosis of master cast of RPD be for design framework should be:

a. Determine path of insertion

b. All are correct

c. Determine guiding planes

d. Determine parallelism of abutments

e. Determine high of contour

60 / 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

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត