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

Reciprocal Arm ផ្តល់ទម្រ:

a. បញ្ឈរអោយធ្មេញសិប្បនិម្មិត

b. ផ្អៀងអោយធ្មេញសិប្បនិម្មិត

c. ផ្តេកអោយធ្មេញសិប្បនិម្មិត

d. បញ្ឆិតអោយធ្មេញសិប្បនិម្មិត

2 / 60

Indirect Retainer គឺជាផ្នែកនៃក្រាស់ធ្មេញ:

a. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Vestibulaire

b. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Distale

c. ទប់ត្រង់កម្លាំងសន្តកត្រង់ផ្ទៃទំពារ

d. ទប់ត្រង់កម្លាំងសង្កត់ត្រង់ផ្ទៃ Linguale

3 / 60

The kennedy classification of this RPD is…….in the mandibular which lost all posterior teeth on both side:

a. Kennedy class II

b. Kennedy class I mod. I

c. Kennedy class II mod .I

d. Kennedy class I

4 / 60

Fixed Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតហើយដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដល់គ្នាដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះបាន

5 / 60

Guide plates for anterior teeth:

a. Should be kept to the cingular for esthetics

b. Should be kept to the proximal faces for esthetics

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

d. Should be kept to the labial for esthetics

6 / 60

Physiologic adjustment of the framework is related to:

a. External finish line

b. The axis of rotation

c. The areas of edentulous space

d. The number of abutments

7 / 60

Requirements of denture base minor connector are following, except:

a. It should not interfere with tooth arrangement

b. Open enough to avoid weakening of attached acrylic

c. It should be free of interference for future adjustment

d. It should have good bulk

8 / 60

Bar Clasp វាមាន:

a. សោភ័ណភាព

b. មិនសូវល្អមើល

c. រាងធំខុសធម្មតា

d. រាងក្រងិកក្រង៉ក់

9 / 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. a special type of above

c. a type of posterior palatal seal

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

10 / 60

Rest Plate System វាអាចៈ:

a. មិនប៉ះទៅនឹងធ្មេញដែលនៅឆ្ងាយ

b. ប៉ះទៅនឹងធ្មេញជិតខាង

c. ប៉ះទៅនឹងធ្មេញដែលនៅឆ្ងាយ

d. មិនប៉ះទៅនឹងធ្មេញជិតខាង

11 / 60

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

a. Depend on survey line

b. Potential guide surfaces

c. Depend on patient

d. Quality of framework

12 / 60

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

a. Hard brush using and strong brushing

b. Pipe smoking

c. Strong mastication

d. Occlusion trauma

13 / 60

Labial bar is indicated when:

a. There is linqual inclination of teeth

b. There is labial inclination of teeth

c. There is a diastema

d. There are periodontally weak teeth

14 / 60

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

a. Direct retainers

b. Major connector

c. Indirect retainers

d. Guide planes

15 / 60

Posterior palatal bar is placed :

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

b. at the junction of the hard and soft palate

c. on the soft tissue

d. placed on the hard palatal entirely

16 / 60

Intracoronal retainer mechanism is:

a. Engaging the undercut intracoronally

b. Dimpling

c. Any of the above

d. Frictional resistance

17 / 60

Which part of the distal extension RPD provides the greatest resistance to movement and torqueing of the abutment tooth :

a. retentive clasp

b. rest

c. denture base

d. minor connector

18 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Mesiale

b. Face Vestibulaire

c. Face Distale

d. Face occlusale

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

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

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

20 / 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

21 / 60

A continuous bar is otherwise known as:

a. linguoplate

b. kennedy bar and cingulum bar

c. kennedy bar

d. cingulum bar

22 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយមានទំរង់ៈ:

a. មុខមាត់ធំ

b. មុខវៀច

c. មុខល្អ

d. មុខមាត់តូច

23 / 60

Requirements of a Major connector:

a. distributes functional loads to both teeth and mucosa

b. partial denture acts as one unit

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

d. connects various parts

24 / 60

Rest អាចៈ:

a. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

b. អោយជាលិការហែក

c. សង្កត់លើជាលិកាទន់ឈឺ

d. អោយជាលិកាទន់នៅដដែល

25 / 60

Bar Clasp គេប្រើទៅលើ :

a. Class I

b. Class III

c. Class IV

d. Class II

26 / 60

A lingual plate major connector may be selected be cause

a. the mandibular incisors are tilted lingually ,high floor of the mouth, high lingual frenum

b. the mandibular incisors are tilted facially, high floor of the mouth

c. the mandibular incisors are tilted lingually, mandibular tori present, high lingual frenum

d. the mandibular incisors are tilted facially, mandibular tori present ,high lingual fremum

27 / 60

When a survey line is high:

a. Bar clasp cannot be given

b. Circumferential clasp cannot be designed

c. A bar clasp can be given

d. A circumferential clasp can be given

28 / 60

Physiologic adjustment of the framework is related to:

a. Functional movement of the framework

b. The rest and indirect retainer

c. The minor connector and natural teeth

d. The major connector and natural teeth

29 / 60

For the preparation of rest seat:

a. The outline to have greater width than length

b. Marginal ridge should be reduced by 25 mm

c. The outline to have greater length than width

d. Marginal ridge should be reduced by 1 mm

30 / 60

Which type of RPD can best resist the forces, to which it is subjected? :

a. class II

b. class I

c. class III

d. class IV

31 / 60

Shoulder ភ្ជាប់ពី Body ទៅៈ:

a. queues

b. Minor Connector

c. Clasp terminal

d. Rest

32 / 60

In removable partial denture, health of gingival tissue is ensured by:

a. keeping minimum of 4 mm distance for major connector

b. keeping minimum of 6 mm distance for major connector

c. minor connectors joining major connector at <90>

d. keeping minimum of 6 mm distance for major connector and keeping minimum of 4 mm distance for major connector

33 / 60

Ring Clasp ប្រើលើក្បាលធ្មេញ:

a. ជួសជុលរួច

b. ទាំង 3ខាងលើត្រូវ

c. ដែលខូច

d. ធម្មជាតិ

34 / 60

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

a. Gravity

b. Moving border tissues

c. Mastication

d. Pull of food

35 / 60

Retainer:

a. ប្រដាប់ដាក់បង្កប់នៅក្នុងជាតិនីឡុងធ្មេញ

b. ប្រដាប់ដែលដាក់លើធ្មេញដែលដកចេញ

c. ប្រដាប់ដាក់ភ្ជាប់ទៅនឹងធ្មេញជន្ទល់

d. ប្រដាប់ដាក់លើធ្មេញដែលកប់ក្នុងឆ្អឹង

36 / 60

The superior border of this major connector:

a. is too low

b. is too small

c. Is not acceptably adapted to the teeth

d. Is correctly adapted to the teeth

37 / 60

Finishing line junction with major connector should have angle:

a. =90 degrees

b. < =90 degrees

c. > 90 degree

d. > =90 degrees

38 / 60

Functions of a Major connector:

a. component of RPD connect to acrylic resin

b. kind of metal chrome cobalt

c. unification, stress distribution, cross arch stabilization

d. functions as one unit

39 / 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. In the glenoid fossa

c. At the hamular notch

d. Opposite the buccal pouch

40 / 60

In an infrabulge clasp, the clasp arm arises either from:

a. Lingual flange of acrylic or border of metal base

b. Border of metal base

c. Denture framework

d. A metal base or framework

41 / 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. U clasp

c. T clasp

d. Y clasp

42 / 60

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

a. 1mm

b. 2mm

c. 1.5mm

d. 3mm

43 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ដែលធ្មេញផ្នែកខាងក្រោយគ្មានត្រូវ :

a. ធ្វើអោយរលុងបាត

b. ពង្រីកបាតក្រោយ

c. ធ្វើទ្រនង់បាត

d. បង្រួមបាត

44 / 60

Ring Clasp ប្រើលើធ្មេញដែលៈ:

a. គន្លាក់ទប់ច្រើន

b. មិនសូវមានគន្លាក់ទប់

c. ទាំង 3 ខាងលើត្រូវ

d. មានពកច្រើន

45 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ទ្រទ្រង់ទំរង់មុខបំពញឡើងវិញ

b. ទ្រទ្រង់សាច់មុខអោយមានសភាពផត

c. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោង

d. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោងដោយកន្លែង

46 / 60

Lingual bar is used in conditions where :

a. lingual sulcus is deep

b. when abutment teeth have poor bony support

c. when splinting of adjacent teeth is required

d. lingual sulcus is shallow

47 / 60

Ponctic គឺតួស្ពានដែលធ្វើអំពីៈ:

a. Ciment

b. Plastic ឬ metal crown

c. Composite

d. Amalgame

48 / 60

Minor Connector ចែកទំងន់ទៅ :

a. ធ្មេញដែលនៅសល់

b. Rest

c. Indirect Retainer

d. Clasp

49 / 60

Ring Clasp:

a. អាចទប់នឹងកំលាំងបណ្តោយ

b. មិនអាចទប់នឹងកំលាំងបង្វិល

c. អាចទប់នឹងកំលាំងបង្វិល

d. ទាំង 3 ខាងលើត្រូវ

50 / 60

ចំណាត់ថ្នាក់ទី 4 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកខាង

b. មុខដែលមានធ្មេញធម្មជាតិនៅសងខាង

c. ក្រោយតែម្ខាង

d. ក្រោយទាំងសងខាង

51 / 60

Main cause of failure of partial denture results from :

a. caries of the abutment

b. resorption of the ridge

c. fracture of metal frame work

d. interference with the function of the tongue

52 / 60

Approach arm រត់តាមបណ្តោយសាច់ mucosa ហើយ តភ្ជាប់ជាមួយៈ:

a. Retentive Terminal

b. Retentive clasp arm

c. Reciprocal arm

d. Body retentive terminal

53 / 60

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

a. Centric Relation and Centric Occlusion

b. All are correct

c. Maximum Mandibular Protrusion

d. Negative, Horizontal and Vertical Overlaps at incisors

e. Edge to Edge Incisor Contact

54 / 60

A clasp most common use is?:

a. Embrasure

b. Aker clasp

c. Ring clasp

d. Back action clasp

55 / 60

Reciprocal Arm សន្តូក :

a. លើគន្លងនៃមុខទំពារ

b. លើបន្ទាត់ស្ទង់

c. ក្រោមបន្ទាត់ស្ទង់

d. លើមុខទំពារ

56 / 60

The internal and external finish line is:

a. Normally off set from each other to avoid weakness in the framework

b. None of the above statements are true

c. Normally designed and placed independently

d. Normally superimposed over each other

57 / 60

Best method to check occlusion intraorally to assess relining of RPD is:

a. Green casting wax

b. Acrylic-self cure

c. Articulating ribbon

d. Mylar strips

58 / 60

Advantages of resin bases is :

a. lower strength / wear resistance than metal

b. dimensional stability-warp

c. porous – hygiene

d. esthetically superior to metal bases

59 / 60

Retentive Arm :

a. ដាក់លើបន្ទាត់ស្ទង់

b. ទាំង 3ខាងលើត្រូវ

c. ដាក់ក្រោមបន្ទាត់ស្ទង់

d. ដាក់ពីចំហៀងបន្ទាត់ស្ទង់

60 / 60

Guiding planes which are not in the same parallel plane horizontally:

a. Decrease the stabilization

b. Increase the food trap

c. Enhance cross-arch resistance to horizontal rotation

d. Decrease cross-arch resistance to horizontal rotation

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត