Partial Denture I Test

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You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed*

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1 / 60

Posterior palatal bar is placed :

a. should be kept 1mm – 2mm away from the mucosa

b. on the soft tissue

c. placed on the hard palatal entirely

d. at the junction of the hard and soft palate

2 / 60

Mould គឺការជ្រើសរើសគ្រាប់ធ្មេញដូចជាៈ:

a. ទំហំ និង រាងរៅ

b. ទំហំ និង ចំណុះ

c. កំពស់ និង ទំហំ

d. ទំហំ និង ក្រឡាផ្ទៃ

3 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាស់ធ្មេញ:

a. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Vestibulaire

b. ទប់ត្រង់កម្លាំងសន្តកត្រង់ផ្ទៃទំពារ

c. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Linguale

d. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Distale

4 / 60

Infrabulge clasp is advocated by:

a. Devan

b. Applegate

c. Kennedy

d. Wills

5 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយមានទំរង់ៈ:

a. មុខល្អ

b. មុខវៀច

c. មុខមាត់តូច

d. មុខមាត់ធំ

6 / 60

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

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

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

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

d. Where there is more relief underneath proximal plate

7 / 60

Rest Plate System វាមានកន្លែងទប់នៅចំណុចៈ:

a. ប្រសព្វផ្ទៃទំពារ និងផ្ទៃជិតជាប់ និងស្ពានតូច

b. ប្រសព្វផ្ទៃ Linguale

c. ប្រសព្វនៃផ្ទៃ Crête alvéolaire.

d. ប្រសព្វនៃផ្ទៃ Vestibulaire

8 / 60

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

a. increased caries activity

b. corrosion of the metal the framework

c. whitening acrylic resin and artificial teeth

d. increased periodontal problems

9 / 60

The kennedy classification of this RPD is:

a. Kennedy class II

b. kennedy class II mod I

c. Kennedy class I mod I

d. Kennedy class I

10 / 60

Fulcrum line ជាបន្ទាត់មួយរត់កាត់តាមៈ:

a. Lingual rest seat

b. Vestibular rest seat

c. Mésial rest seat

d. Distal rest seat

11 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក រំលែកបន្ទុកលើផ្ទៃ:

a. Linguale

b. Occlusal

c. Vestibulaire

d. Mésisal

12 / 60

ចំណាត់ថ្នាក់ទី ១ នៃចន្លោះធ្មេញ:

a. ប្រឡោះផ្នែកខាងទាំងពីរ

b. ទាំងបីខាងលើត្រូវ

c. ប្រឡោះផ្នែកខាងមុខតែមួយ

d. ប្រឡោះផ្នែកខាងក្រោយទាំងពីរ

13 / 60

Ina ring clasp, the retentive arm extends from:

a. Principal occlusal rest to the tip

b. Secondary occlusal rest to the tip

c. Entire length of the clasp arm

d. Strut to the tip of the clasp

14 / 60

Finishing line junction with major connector should have angle:

a. < =90 degrees

b. =90 degrees

c. > =90 degrees

d. > 90 degree

15 / 60

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

a. Undercuts for direct retainer

b. Depend on edentulous areas

c. Depend on infrabulge and suprabulge

d. None of above

16 / 60

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

a. Chrome cobalt

b. Nickel chrome

c. Titanium

d. Platinum

17 / 60

Physiologic adjustment of the framework is related to:

a. The rest and indirect retainer

b. The major connector and natural teeth

c. Functional movement of the framework

d. The minor connector and natural teeth

18 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. មានលំនឹង

b. ធ្លាក់ចុះ

c. ទ្រេតចេញ

d. ទ្រេតចូល

19 / 60

Fixed Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដល់គ្នាដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតហើយដោះបាន

20 / 60

Full incisal rests are indicated in following except:

a. To provide anterior guidance

b. To provide retention

c. To abrade anatomy of teeth

d. To provide stabilization

21 / 60

Retentive terminal ស្ថិតនៅ:

a. ទាំង 3ខាងលើត្រូវ

b. Terminal third

c. Middle third

d. Proximal third

22 / 60

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

a. > 110 degrees

b. < = 90 degrees

c. 90 degrees

d. > 90 degrees

23 / 60

Guiding plane are:

a. usually single and usually multiple

b. usually parallel

c. usually single

d. usually multiple

24 / 60

The Kennedy Classification for this cast is:

a. class III

b. class III mod III

c. class III mod II

d. Class III mod I

25 / 60

The external finish line is:

a. the external of framework metal and the natural teeth

b. the external of framework metal and supporting tissues

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

d. the external of framework metal and denture base plastic

26 / 60

Bar Clasp វាគ្របលើក្រឡាផ្ទៃ :

a. ប្រឡោះចង្អៀត

b. ធំ

c. ទូលាយ

d. តូច

27 / 60

Method to determine height of floor of the mouth is:

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

b. use of individualized impression tray

c. use of straight probe

d. use of periodontal probe

28 / 60

Tissue stops are useful in:

a. Stops the tissue impingement by tray

b. Stabilizing framework during processing

c. Engaging buccal slope of the residual ridge

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

29 / 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 foot should be totally below the survey line

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

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

d. The foot should be entirely above the survey line

30 / 60

Minor Connector តភ្ជាប់ទៅ :

a. Clasp

b. Dent Artificielle

c. Denture Base

d. Abutment

31 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Buccal side

b. Centre

c. Lingual side

d. Inferior

32 / 60

Reason (s) for selecting lingual plate major connectors is/are?:

a. Anticipated loss of one or more of the remaining teeth

b. the presence of lingual tori

c. A high lingual frenum

d. All are correct

33 / 60

ទំពក់ Circlet មានៈ:

a. ការទប់ទល់នឹងកំលាំងផ្តេកមិនសូវបានល្អ

b. ការទ្រទ្រង់បានរឹងមាំ

c. ការទប់ទល់ទំងន់មិនសូវល្អ

d. ការទ្រទ្រង់មិនសូវរឹងមាំ

34 / 60

Indication of Removable Partial Denture:

a. Periodontitis of abutment, esthetic for posterior tooth, not posterior of abutment

b. Deep undercut of abutment, periodontitis of abutment, not posterior of abutment

c. Large edentulous space, deep undercut of abutment, not posterior of abutment

d. Large edentulous space, not posterior of abutment, periodontitis of abutment

35 / 60

Requirements of a Major connector:

a. connects various parts

b. partial denture acts as one unit

c. distributes functional loads to both teeth and mucosa

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

36 / 60

A cingulum rest should be placed:

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

b. above the middle third of the incisor teeth

c. on the disto incisal edges of the incisor teeth

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

37 / 60

Multiple clasps are jointed at:

a. Tip of reciprocal terminals

b. Tip of retentive terminals

c. Back of the occlusal rests

d. Back of the minor connector

38 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

b. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

c. នៅផ្នែកខាងក្រោយបង្អស់

d. នៅផ្នែកខាងក្រោយតែម្ខាង

39 / 60

Incisal rests:

a. should not be used on maxillary incisors

b. may interfere with the opposing occlusion

c. a generally more positive vertical stops than cingulum rests

d. All are correct

40 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ដែលធ្មេញផ្នែកខាងក្រោយគ្មានត្រូវ :

a. ធ្វើទ្រនង់បាត

b. ធ្វើអោយរលុងបាត

c. ពង្រីកបាតក្រោយ

d. បង្រួមបាត

41 / 60

Non-retentive clasp arm is best placed at the:

a. Between occlusal and middle third

b. On the occlusal third

c. Gingival third of the tooth

d. Between middle and gingival third

42 / 60

Retention:

a. ទប់ទល់នឹងទំនាញតាមទិសផ្តេក

b. ទប់ទល់នឹងទំនាញតាមទិសទាំងពីរខាងលើ

c. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឈរ

d. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឆៀង

43 / 60

Rest នៅមុខខាំកាត់ incisal :

a. គេមិនសូវប្រើ

b. គេដាក់លើ Incisal មើលទៅឃើញស្អាត

c. គេចូលចិត្តប្រើ

d. គេប្រើជាទូទៅ

44 / 60

A removable partial denture may be:

a. All tissues supported

b. Tooth and tissues supported

c. All tooth supported and tissues supported

d. All tooth supported

45 / 60

3 weeks after insertion of distal extension partial denture, the patient reports to the dental clinic with complaint of sensitivity to chewing pressure. The most probable reason would be :

a. passive retentive arm

b. improper occlusion

c. abrasion of tooth by clasp

d. wearing off the cement base

46 / 60

In which of following mandibular position would you find the greats increase in VDO from centric occlusion?:

a. Maximum protrusion

b. Centric relation

c. Anterior edge-to- edge position

d. Postural position

47 / 60

Bar Clasp គេប្រើទៅលើ :

a. Class I

b. Class III

c. Class IV

d. Class II

48 / 60

The total retention for a RPD is obtained from:

a. Artificial teeth with major connector

b. Artificial teeth with natural teeth

c. Occlusion of artificial teeth

d. Fictional retention from guide surface/guide plate contacts

49 / 60

Appliance:

a. ប្រដាប់ពាក់នៅពេលព្យាបាលធ្មេញក្នុងមាត់

b. ប្រដាប់ពាក់ដើម្បីទំពារអាហារធម្មតា

c. ប្រដាប់ពាក់ដើម្បីលំអរក្នុងមាត់

d. ប្រដាប់ពាក់នៅត្រង់កន្លែងអវត្តមានធ្មេញ

50 / 60

Denture Base គឺជាកន្លែងដែលគេដាំៈ:

a. ជាតិ Ciment

b. គ្រាប់ធ្មេញ

c. ជាតិ Ionomer

d. គ្រាប់ Amalgame

51 / 60

Major Connector ផ្តល់នូវការទ្រទ្រង់បែបៈ:

a. ចំរៀល

b. បញ្ឈរ

c. ផ្តេក

d. បង្ខិត

52 / 60

Approach arm វាចូលដល់ Undercut តាមរយៈ :

a. មុខ Mesial

b. កធ្មេញ

c. មុខ Distal

d. មុខទំពារ

53 / 60

Retention of RPD is obtained by:

a. Retaining elements and denture bases

b. Rests and rest seats

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

d. Denture bases and minor connectors

54 / 60

The basic philosophy of dental treatment for a partially edentulous patient:

a. Preserve what remains and restore what is missing

b. Replace the missing teeth

c. Reshape rotated teeth

d. Improve the path of insertion

55 / 60

The main aim of anterior-posterior tilt of the cast during surveying is to establish:

a. To determine retention

b. To avoid interferences

c. Good esthetics

d. To provide parallel proximal surfaces

56 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ទាំងបីខាងលើត្រូវ

b. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

c. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

d. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

57 / 60

The reduced thickness of minor connector contact guiding plane buccally:

a. Helps to abut the artificial tooth more closely to natural tooth

b. Prevents food trap more efficiently

c. Helps in stability

d. Helps in more resistance to forces

58 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Artificial teeth

c. Rest

d. Abutment

59 / 60

Internal occlusal rests are indicated in:

a. Tooth supported class III designs

b. Tooth tissue supported class I designs

c. All distal extension denture base designs

d. Tooth tissue supported class II designs

60 / 60

Parts that offer support for removable partial denture are following:

a. Rest and retentive arm

b. Rest and reciprocal arm

c. Rest and denture base

d. Rest and minor connector

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត