Partial Denture I Test

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1 / 60

Passive retention in RPDs is provided by :

a. undercuts

b. guiding planes

c. indirect retainers

d. direct retainers

2 / 60

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

a. increased periodontal problems

b. whitening acrylic resin and artificial teeth

c. increased caries activity

d. corrosion of the metal the framework

3 / 60

Minor Connector តភ្ជាប់ទៅ :

a. Abutment

b. Denture Base

c. Clasp

d. Dent Artificielle

4 / 60

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

a. > 90 degrees

b. 90 degrees

c. < = 90 degrees

d. > 110 degrees

5 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Vestibulaire

b. Face Mesiale

c. Face occlusale

d. Face Distale

6 / 60

ទំពក់ Circlet:

a. ពិបាកពត់ឡើងចុះ

b. ពិបាកធ្វើគំរោង

c. ពិបាកដាក់លើធ្មេញជន្ទល់

d. ស្រួលធ្វើគំរោង

7 / 60

An undercut in relation to tooth lies:

a. on occlusal surface

b. above the survey line also

c. below the survey line and above the survey line also

d. below the survey line

8 / 60

Uses of multiple clasp includes following except:

a. When additional retention is needed in class III cases

b. In class II modification 1 areas

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

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

9 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Square

b. Tapering

c. Triangular

d. Ovoid

10 / 60

Lingual bar is used in conditions where :

a. when splinting of adjacent teeth is required

b. lingual sulcus is shallow

c. when abutment teeth have poor bony support

d. lingual sulcus is deep

11 / 60

Approach Arm:

a. ផ្នែកបញ្ឈរនៃ Bar Clasp

b. ផ្នែកបញ្ឆៀងនៃ Bar Clasp

c. ផ្នែកផ្តេកនៃ Bar Clasp

d. ទាំង 3ខាងលើត្រូវ

12 / 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

13 / 60

Interproximal occlusal rest seats:

a. Extend far lingually

b. Violate contact points

c. Do not avoid wedging effect by framework

d. All are corrects

14 / 60

Approach arm វាចូលដល់ Undercut តាមរយៈ :

a. កធ្មេញ

b. មុខ Mesial

c. មុខ Distal

d. មុខទំពារ

15 / 60

Which of the following clasps commonly utilize lingual undercut ?:

a. Half and half clasp, Ring clasp

b. Ring clasp , I bar clasp

c. Extended arm clasp, Akers clasps

d. Half and half clasp, Back action clasp

16 / 60

Ring Clasp ប្រើលើក្បាលធ្មេញ:

a. ទាំង 3ខាងលើត្រូវ

b. ជួសជុលរួច

c. ដែលខូច

d. ធម្មជាតិ

17 / 60

Canine extensions from occlusal rests are used as indirect retainers, except one:

a. Depend on extension denture base

b. As the tip of the canine extension acts as resting element

c. When primary abutment is the I premolar

d. On prepared surfaces of canines

18 / 60

Minor connector for mandibular distal extension will extend unto:

a. Entire length of edentulous ridge

b. Half the length of edentulous ridge

c. One-third the length of edentulous ridge

d. Two-third the length of edentulous ridge

19 / 60

Major Connector ផ្តល់នូវការទ្រទ្រង់បែបៈ:

a. ផ្តេក

b. បង្ខិត

c. ចំរៀល

d. បញ្ឈរ

20 / 60

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

a. Depend on infrabulge and suprabulge

b. Depend on edentulous areas

c. Undercuts for direct retainer

d. None of above

21 / 60

Rest អាច :

a. អោយជាលិកាទន់រហែក

b. សង្កត់លើជាលិកាទន់ឈឺ

c. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

d. អោយជាលិកានៅដដែល

22 / 60

An ideal clasp assembly should possess the following quality:

a. Retention with minor connector

b. Retention with major connector

c. Retention

d. Retention with denture base

23 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក :

a. ថែរក្សាអញ្ចាញ និងជាលិកាផ្សេងៗ

b. ថែរក្សាធ្មេញ និងជាលិកាដែលដកធ្មេញរួច

c. ថែរក្សាឆ្អឹង និង ជាលិកាផ្សេងៗ

d. ថែរក្សាធ្មេញ និង ជាលិកាដែលត្រូវដាក់ធ្មេញ

24 / 60

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

a. Efficient indirect retainer

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

c. Need to reline the distal extension denture base

d. Inefficiency of direct retainer

25 / 60

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

a. Hard and soft tissue interferences

b. Depend on attitude the patient

c. Depend on force of mastication

d. Depend on of abutments

26 / 60

Fixed Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដល់គ្នាដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតហើយដោះបាន

27 / 60

Disadvantages of incisal rest are following except:

a. Unfavorable leverage on teeth

b. Causes intrusion of anterior teeth

c. Causes orthodontic movement of teeth

d. Less esthetic

28 / 60

Reciprocal clasp arm of RPD should be:

a. Lied above high of contour

b. Horizontal force

c. Direct contact

d. Vertical force

29 / 60

Distal extension RPD is :

a. class III condition

b. tissue borne

c. class IV condition

d. both tissue and tooth borne

30 / 60

The Kennedy Classification for this cast is:

a. class III

b. class III mod II

c. class III mod III

d. Class III mod I

31 / 60

Considering the design of an RPD for the mandibular arch:

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

b. A dual path of insertion should be considered

c. Retentive clasps are required next to each edentulous space

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

32 / 60

Body ភ្ជាប់ពី Shoulder ទៅៈ:

a. Minor Connector

b. Retentive terminale

c. Reciprocal arm

d. Retentive clasp arm

33 / 60

Designing of a prosthesis requires following consideration:

a. Are all corrected

b. Mechanical

c. Esthetic

d. Biological

34 / 60

The kennedy classification of this RPD is:

a. class IV mod II

b. Class I mod I

c. class I mod II

d. class II mod I

35 / 60

Rest:

a. need not have rest seat

b. mainly offers stability

c. is placed on rest seat always

d. is placed on rest seat always and mainly offers stability

36 / 60

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

a. lateral

b. horizontally protrusive

c. lateral protrusion

d. lateral pure hinge

37 / 60

The Kennedy classification of this RPD is:

a. Kennedy class III mod I

b. Kennedy class II mod I

c. Kennedy class III

d. Kennedy class IV mod I

38 / 60

In which of the following mandibular positions are the teeth in contact?:

a. Centric Relation and Centric Occlusion

b. Maximum Mandibular Protrusion

c. Edge to Edge Incisor Contact

d. All are correct

e. Negative, Horizontal and Vertical Overlaps at incisors

39 / 60

The relation of the cast to surveyor can be recorded in the following manner:

a. By scoring as well as tripoding with pits

b. By tripoding with tiny pits

c. By tilting the joint of the surveyor table

d. By scoring the base of the cast

40 / 60

Major Connector ជាស្ពានៈ:

a. មិនសូវមាំ

b. មិនសូវសំខាន់

c. បន្ទាប់បន្សំ

d. សំខាន់

41 / 60

Fulcrum line ជាបន្ទាត់មួយរត់កាត់តាមៈ:

a. Vestibular rest seat

b. Lingual rest seat

c. Distal rest seat

d. Mésial rest seat

42 / 60

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

a. lingual bar

b. All are correct

c. Direct and Indirect retainers

d. Minor connectors

43 / 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. Place the rest on the occlusal surface adjacent to the extension area

c. Do not place a rest on this tooth

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

44 / 60

Appliance:

a. ប្រដាប់ពាក់ដើម្បីលំអរក្នុងមាត់

b. ប្រដាប់ពាក់នៅពេលព្យាបាលធ្មេញក្នុងមាត់

c. ប្រដាប់ពាក់ដើម្បីទំពារអាហារធម្មតា

d. ប្រដាប់ពាក់នៅត្រង់កន្លែងអវត្តមានធ្មេញ

45 / 60

Reciprocal Arm សន្តូក :

a. លើគន្លងនៃមុខទំពារ

b. ក្រោមបន្ទាត់ស្ទង់

c. លើបន្ទាត់ស្ទង់

d. លើមុខទំពារ

46 / 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. centric relation

c. lateral

d. translatory excursion

47 / 60

In a class III modification 1 RPD, the rests are usually placed:

a. On the canines

b. Adjacent to the modification space

c. In the area of the opposing occlusal contact

d. Away from the modification space

48 / 60

Advantage of palatal strap :

a. increased rigidity with less bulk

b. can be used in Kennedy class I partial dentures

c. increased retention of appliance

d. more economical and comfortable to the patient

49 / 60

An ideal clasp assembly should possess the following quality:

a. Weight of metal

b. Reciprocation

c. Kind of metal

d. Elasticity

50 / 60

The basic movement of mandible:

a. lateral movement

b. hinge ,lateral and translatory movement

c. translatory movement

d. hinge movement

51 / 60

Modification spaces are :

a. spaces anterior to all teeth

b. spaces other than the original class

c. spaces posterior to all teeth

d. additional space in class IV

52 / 60

The goal of extension of RPD framework should be:

a. Tissues adaptation

b. Stability framework

c. Function, Occlusion

d. All are correct

53 / 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

54 / 60

A tissue undercut may preclude the selection of:

a. A half and half clasp

b. A suprabulge clasp

c. An infrabulge clasp

d. A combination clasp

55 / 60

Multiple clasps are joined at :

a. Tip of reciprocal terminals

b. Tip of retentive terminals

c. Back of the minor connector

d. Back of occlusal rests

56 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Pontic

b. Denture Base

c. Major Connector

d. Rest

57 / 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 II mod. I

c. Class I mod. I

d. Class IV mod. II

58 / 60

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

a. indirect retainer

b. positive denture base-tissue relationship

c. multiple clasping

d. stress breaker

59 / 60

Following are true for I bar clasp, except:

a. Whole arm of the clasp contacts abutment

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

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

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

60 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ជាប់តែម្តង

b. ដាក់ដូចជាធ្មេញជាប់

c. ដាក់ដោះសំអាត

d. ដាក់ត្រាំត្រែងក្នុងមាត់

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត