Partial Denture I Test

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1 / 60

Uses of multiple clasp includes following except:

a. In class II modification 1 areas

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

c. When additional retention is needed in class III cases

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

2 / 60

Minor Connector ចែកទំងន់ទៅលើៈ:

a. Clasp

b. Rest

c. ស្ពានសំខាន់

d. តួអញ្ចាញដែលគ្មានធ្មេញ

3 / 60

Which of the following chronic conditions may cause tooth abrasion?:

a. Occlusion trauma

b. Pipe smoking

c. Strong mastication

d. Hard brush using and strong brushing

4 / 60

Mandibular gridwork design of minor connectors:

a. prevents thin, edges fracturing

b. extend fully to the hamular notch

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

d. maximum bulk of the acrylic resin

5 / 60

Reciprocal Arm សន្តូក :

a. លើបន្ទាត់ស្ទង់

b. លើមុខទំពារ

c. លើគន្លងនៃមុខទំពារ

d. ក្រោមបន្ទាត់ស្ទង់

6 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. រុញទល់នឹងកន្លែងទប់

b. រុញនៅត្រឹមអញ្ចាញ

c. រុញហួសពីកន្លែងទប់

d. ទាញ

7 / 60

Following are true for distal extension denture base RPD except:

a. Metal denture bases can be used when the tissues are displaced

b. Metal denture bases can be used

c. If relining is required, metal denture base can be replaced

d. More resorption occurs at the distal most end of edentulous area

8 / 60

What is the correct relationship of the foot of an-I bar to the survey line (height of contour) on abutment for an extension RPD:

a. The relationship of the foot of the I –bar and the survey line of no consequence

b. The foot should be entirely above and partially below the survey line

c. The foot should be entirely above the survey line

d. The foot should be totally below the survey line

9 / 60

According to the Kennedy’s classification, the posterior unilateral edentulous space is :

a. class IV situation

b. class II situation

c. class I situation

d. class III situation

10 / 60

Which of the following maxillary major connectors possesses the least strength and rigidity?:

a. modified palatal strap

b. horse –shoe

c. anterior posterior palatal strap

d. palatal plate

11 / 60

A cingulum rest should be placed:

a. on the disto incisal edges of the incisor teeth

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

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

d. above the middle third of the incisor teeth

12 / 60

The internal finish line is:

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

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

c. a special type of above

d. a type of posterior palatal seal

13 / 60

Infrabulge clasps originate:

a. above the 12mm undercut areas

b. below the height of contour

c. above the occlusal surface of most premolars

d. above the height of contour

14 / 60

Use long guide plane on class IV kennedy for:

a. Stabilization denture base

b. Retention denture base

c. Esthetic denture

d. Path of insertion

15 / 60

What are the typical positions of the maxillary and mandibular teeth, and the tongue during empty mouth swallowing?:

a. Retruded contact, the tongue touches the lingual aspects of the anterior teeth

b. Centric occlusion, the tongue touches the palate

c. Retruded contact, the tongue touches the palate

d. Occlusion, the tongue touches the lingual aspects of the anterior teeth

16 / 60

Mould គឺការជ្រើសរើសគ្រាប់ធ្មេញដូចជាៈ:

a. កំពស់ និង ទំហំ

b. ទំហំ និង ចំណុះ

c. ទំហំ និង រាងរៅ

d. ទំហំ និង ក្រឡាផ្ទៃ

17 / 60

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

a. Mesial rest and back action clasp

b. Distal and mesial rests

c. Distal and mesial rests half and half clasp

d. Mesial rest and I- bar clasp

18 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ដូចជាធ្មេញជាប់

b. ដាក់ជាប់តែម្តង

c. ដាក់ដោះសំអាត

d. ដាក់ត្រាំត្រែងក្នុងមាត់

19 / 60

Classification of lever system is based on location of:

a. Are all corrected

b. Direction of effort

c. Fulcrum line

d. Resistance

20 / 60

Small window in relief wax distal to terminal abutment in distal extension denture base removable partial denture acts as:

a. Nail head retention

b. Finishing line

c. Tissue stop

d. Finishing index tissue stop

21 / 60

The minimum thickness of resin that embeds the metal framework is:

a. 1mm

b. 3mm

c. 1.5mm

d. 2mm

22 / 60

Bar Clasp ធ្វើអោយចំណីអាហារ:

a. មិនជក់នៅ

b. រអិលចេញ

c. ខ្ទាតចេញផុត

d. ជាប់

23 / 60

A minor connector located at embrasure should be:

a. Thickest toward lingual surface

b. Tapering away from contact area

c. Thickest toward buccal surface

d. Thinnest toward lingual surface

24 / 60

Parts that offer support for removable partial denture are following:

a. Rest and reciprocal arm

b. Rest and retentive arm

c. Rest and minor connector

d. Rest and denture base

25 / 60

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

a. Depend on impression

b. Depend on secondary impression

c. Esthetic considerations

d. Depend on design tray

26 / 60

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

a. Mastication

b. Moving border tissues

c. Gravity

d. Pull of food

27 / 60

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

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

b. Do not place a rest on this tooth

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

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

28 / 60

What are the functions of an indirect retainer:

a. to prevent horizontal dislodgement of the distal extension bases of removable partial denture.

b. to link the major connector and other parts of the prosthesis together

c. to connect the parts of the prosthesis located on one side of the arch with those on the opposite side.

d. to prevent vertical dislodgement of the distal extension base of removable partial denture.

29 / 60

Denture bases of removable partial denture offer:

a. Mechanical retention

b. Primary retention

c. Primary and mechanical retention

d. Secondary retention

30 / 60

If this RPD was fabricated exactly as drawn on the design cast, which component(s) would be inadequate?:

a. lingual bar

b. Minor connectors

c. All are correct

d. Direct and Indirect retainers

31 / 60

Guide plates for anterior teeth:

a. Should be kept to the labial for esthetics

b. Should be kept to the cingular for esthetics

c. Should be kept to the proximal faces for esthetics

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

32 / 60

ទំពក់ Circlet:

a. តោងជាប់ល្អដូច Bar Clasp

b. ទប់ជាប់ស្អិតដូច Bar Clasp

c. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

d. ទប់ជាប់ល្អដូច Bar Clasp

33 / 60

Major Connector ភ្ជាប់ពីៈ:

a. Shoulder

b. Minor Connector

c. Rest

d. Body

34 / 60

Lingual plating should be supported :

a. with the rests

b. with bracing arms

c. with minor connector

d. by the inclined surfaces of the mandibular incisors

35 / 60

Occlusal rest preparation should be:

a. all are correct

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

c. at least one millimetre deep

d. spoon shaped

36 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

b. ដាក់ទៅកកិតនឹងជាលិកា

c. ជាលិកាស្រកទៅនៅដដែល

d. ឈឺសាច់ជាលិកា

37 / 60

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

a. class I of Kennedy

b. class III of Kennedy

c. class IV of Kennedy

d. class II of Kennedy

38 / 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

39 / 60

Functions of a Major connector:

a. unification, stress distribution, cross arch stabilization

b. kind of metal chrome cobalt

c. functions as one unit

d. component of RPD connect to acrylic resin

40 / 60

Tripoding is the method used:

a. For giving clasp assemblies at 3 points

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 recording the relation of the cast to the surveyor

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

41 / 60

Requirements of a Major connector:

a. connects various parts

b. distributes functional loads to both teeth and mucosa

c. rigidity, non interference with tissues, minimize food impaction and unobtrusive

d. partial denture acts as one unit

42 / 60

Impression materials that may be used to register the supporting form of edentulous area in an distal extension denture base are following, except:

a. Silicone impression materials

b. Hydrocolloids

c. Waxes

d. Impression paste

43 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ត្រូវឱ្យបន្ទាត់កំណាំរត់តាម :

a. មុខ Linguale

b. មុខ Vestibulaire

c. មុខ Occlusal

d. មុខ Mésiale

44 / 60

An ideal clasp assembly should possess the following quality:

a. 160 degree encirclement

b. 90 degree encirclement

c. 180 degree encirclement

d. 45 degree encirclement

45 / 60

The kennedy classification of this RPD is:

a. Class I mod I

b. class II mod I

c. class IV mod II

d. class I mod II

46 / 60

ទំពក់ Circlet Arm គ្របលើរចនាសម្ព័ន្ធធ្មេញច្រើនដូច្នេះវាៈ:

a. មានសោភ័ណភាពច្រើន

b. មើលទៅឃើញក្បាច់រចនាតិច

c. មិនសូវមានសោភ័ណភាព

d. មើលទៅឃើញដែកតិច

47 / 60

Supporting strut for ring clasp should be placed on the:

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

b. On the non retentive side of the abutment

c. Near the retentive terminal

d. Retentive side of the clasp

48 / 60

Marginal ridge for a rest seat should be reduced by at least:

a. 2mm

b. 1mm

c. 1.5mm

d. 3mm

49 / 60

Protrusive or Retrusive movements can also be called………………movement:

a. translatory or sliding

b. translatory or vertical

c. translatory or shifting

d. sliding crossbite excursions

50 / 60

When the survey line is height on the Mesial or Distal but low on the center, which one design clasp:

a. I clasp

b. T clasp

c. Y clasp

d. U clasp

51 / 60

An ideal clasp assembly should possess the following quality:

a. Reciprocation

b. Elasticity

c. Weight of metal

d. Kind of metal

52 / 60

An ideal clasp assembly should possess the following quality:

a. Support and deduction

b. Support and rotation

c. Support

d. Support and protrusion

53 / 60

Which of the following clasps commonly utilize lingual undercut ?:

a. Half and half clasp, Back action clasp

b. Extended arm clasp, Akers clasps

c. Ring clasp , I bar clasp

d. Half and half clasp, Ring clasp

54 / 60

A clasp most common use is?:

a. Aker clasp

b. Ring clasp

c. Back action clasp

d. Embrasure

55 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចេញ

b. ធ្លាក់ចុះ

c. មានលំនឹង

d. ទ្រេតចូល

56 / 60

Rest អាចសណ្តូកលើផ្ទៃ:

a. ខាង Mésial

b. Vestibulaire

c. Occlusal

d. Distale

57 / 60

What is the most common use material for casting framework of RPD:

a. Titanium

b. Platinum

c. Chrome cobalt

d. Nickel chrome

58 / 60

Minor connector may be :

a. all are corrected

b. of mesh work construction

c. bead or nail head construction

d. of lattice work construction

59 / 60

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

a. Reciprocating arm

b. Minor connector

c. Retentive clasp arm

d. Rest

60 / 60

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

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

b. Need to reline the distal extension denture base

c. Efficient indirect retainer

d. Inefficiency of direct retainer

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត