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

An ideal design framework of RPD should be:

a. Locate the height of contour

b. Determine the path of insertion

c. As guiding planes

d. Locate retention areas

e. All are correct

2 / 60

Disadvantages of incisal rest are following except:

a. Causes orthodontic movement of teeth

b. Unfavorable leverage on teeth

c. Less esthetic

d. Causes intrusion of anterior teeth

3 / 60

Rest:

a. is placed on rest seat always

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

c. need not have rest seat

d. mainly offers stability

4 / 60

The external finish line on a maxillary class 1 RPD originates from the lingual of the guide plane of the terminal abutment and ends:

a. in the glenoid fossa

b. opposite stenon’s duct

c. opposite the buccal pouch

d. at the hamular notch

5 / 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. Splinting abutment with adjacent teeth

c. Keeping a light occlusion on the distal extensions

d. Regular relining of distal extensions

6 / 60

Undercut at the point of origin of a clasp can be approached by:

a. Half and half clasp

b. Embrasure clasp

c. Back action clasp

d. Hair pin clasp

7 / 60

The total retention for a RPD is obtained from:

a. Occlusion of artificial teeth

b. Fictional retention from guide surface/guide plate contacts

c. Artificial teeth with major connector

d. Artificial teeth with natural teeth

8 / 60

Tripod of dental surveyor is the method used:

a. Surveyor to have reproducible position of the cast on the surveyor

b. Surveyor for recording the relation of the cast to the surveyor

c. For giving clasp assemblies at 3 points

d. Determine the undercut areas on the tooth

9 / 60

Non-retentive clasp arm is best placed at the:

a. Between occlusal and middle third

b. Gingival third of the tooth

c. Between middle and gingival third

d. On the occlusal third

10 / 60

Rest ត្រូវតែៈ:

a. ទប់ផ្តេក

b. ទប់បញ្ឈរ

c. ទាំង ៣លើត្រូវ

d. ទប់ផ្អៀង

11 / 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. Waxes

b. Silicone impression materials

c. Impression paste

d. Hydrocolloids

12 / 60

Prosthesis:

a. ធ្មេញធម្មជាតិសម្រាប់ពាក់ទំពក់

b. ធ្មេញសិប្បនិម្មិតផ្លាស់ថ្មី

c. ធ្មេញធម្មជាតិនៅទំនេរ

d. ធ្មេញធម្មជាតិសម្រាប់ទំពារអាហារ

13 / 60

The major connector in this mandibular class I removable partial denture:

a. Is a lingual bar and the placement of the superior border of the lingual bar is of no importance to the soft tissues

b. Is a lingual bar and its superior border is placed correctly

c. Is a lingual bar too short and too close the free gingival margins

d. Is a lingual bar and its superior border is too close to the free gingival margins

14 / 60

Retentive Arm វាអាច:

a. បត់បែនបាន

b. សង្កត់ឡើងចុះបាន

c. មិនអាចបត់បែនបាន

d. ទន់

15 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. រុញហួសពីកន្លែងទប់

b. រុញនៅត្រឹមអញ្ចាញ

c. ទាញ

d. រុញទល់នឹងកន្លែងទប់

16 / 60

The basic movement of mandible:

a. hinge movement

b. hinge ,lateral and translatory movement

c. lateral movement

d. translatory movement

17 / 60

Contraindication for sublingual bar are following except:

a. large tongue

b. high elevation of floor of mouth

c. high lingual frenum

d. lingual tori

18 / 60

What are the indications for a linguo plate as a major connector for a mandibular RPD?:

a. Present high lingual frenum and buccally anterior teeth

b. High floor of the mouth, high lingual frenum, lingual tori

c. Present high floor of the mouth and facially anterior teeth

d. Present lingual tori and big tongue

19 / 60

A tissue undercut may preclude the selection of:

a. An infrabulge clasp

b. A combination clasp

c. A half and half clasp

d. A suprabulge clasp

20 / 60

Most apical portion of a cingulum rest is:

a. Apex of the preparation

b. Floor of the preparation

c. Mesial corner

d. Distal corner

21 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

b. ទាំងបីខាងលើត្រូវ

c. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

d. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

22 / 60

Impression:

a. គន្លងនៅលើពុម្ពធ្មេញ

b. ក្រហែងនៅលើពុម្ពធ្មេញ

c. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

d. ក្រឡុកនៅលើពុម្ពធ្មេញ

23 / 60

Retention:

a. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឆៀង

b. ទប់ទល់នឹងទំនាញតាមទិសផ្តេក

c. ទប់ទល់នឹងទំនាញតាមទិសបញ្ឈរ

d. ទប់ទល់នឹងទំនាញតាមទិសទាំងពីរខាងលើ

24 / 60

Indication of Removable Partial Denture:

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

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

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

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

25 / 60

Incisal rests:

a. may interfere with the opposing occlusion

b. should not be used on maxillary incisors

c. a generally more positive vertical stops than cingulum rests

d. All are correct

26 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from minor connectors

b. Mechanical retention from clasps (direct retainer)

c. Mechanical retention from major connector

d. Mechanical retention from grid work

27 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

b. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

c. នៅផ្នែកខាងក្រោយតែម្ខាង

d. នៅផ្នែកខាងក្រោយបង្អស់

28 / 60

Following are true for minor connector of an occlusal rest RPI system, except:

a. It is placed into mesiolingual embrasure

b. It does not contact adjacent tooth

c. It acts as a stabilizing component

d. It should contact adjacent tooth also

29 / 60

The mandibular distal extension RPD extends up to :

a. full length of retromolar pad

b. just behind abutment

c. anterior 2/3 of retro-molar pad

d. anterior one third length of retro –molar pad

30 / 60

Appliance:

a. ប្រដាប់ពាក់នៅត្រង់កន្លែងអវត្តមានធ្មេញ

b. ប្រដាប់ពាក់ដើម្បីទំពារអាហារធម្មតា

c. ប្រដាប់ពាក់ដើម្បីលំអរក្នុងមាត់

d. ប្រដាប់ពាក់នៅពេលព្យាបាលធ្មេញក្នុងមាត់

31 / 60

Shoulder សន្តូកលើៈ:

a. Face Occulsale

b. Distale

c. បន្ទាត់ស្ទង់

d. Face Mésial

32 / 60

ទិសដៅនៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ទំពារអាហារពុំបានស្រួល

b. សុខភាពល្អ

c. ដាក់ទៅនាំអោយមានជាតិពុលក្នុងខ្លួន

d. និយាយមិនច្បាស់

33 / 60

Reciprocal clasp arm of RPD should be:

a. Horizontal force

b. Vertical force

c. Direct contact

d. Lied above high of contour

34 / 60

Attachment between porcelain tooth and denture base resin is:

a. Mechanochemical

b. Adhesion

c. Chemical

d. Mechanical

35 / 60

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

a. stress breaker

b. positive denture base-tissue relationship

c. multiple clasping

d. indirect retainer

36 / 60

Minor connector for mandibular distal extension will extend unto:

a. Two-third the length of edentulous ridge

b. Entire length of edentulous ridge

c. Half the length of edentulous ridge

d. One-third the length of edentulous ridge

37 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ដែក

b. ជាតិនីឡុង

c. ជាតិ Plastic

d. ក្រមួន

38 / 60

Component of a clasp assembly are:

a. Two minor connectors, one major connector , one rest, one retentive arm, one bracing or reciprocating element

b. One minor connector, one major connector, one rest, two rests, one retentive arm, one bracing arm

c. One rest, a retentive arm , a bracing or reciprocating element, one minor connector

d. One or two rests, a retentive arm, a bracing or reciprocating element, one minor connectors, one major connector

39 / 60

More acceptable esthetically and less caries formation for bar clasp is:

a. U clasp

b. I clasp

c. T clasp

d. Y clasp

40 / 60

ចំណាត់ថ្នាក់ទី ១ នៃចន្លោះធ្មេញ:

a. ប្រឡោះផ្នែកខាងមុខតែមួយ

b. ប្រឡោះផ្នែកខាងទាំងពីរ

c. ប្រឡោះផ្នែកខាងក្រោយទាំងពីរ

d. ទាំងបីខាងលើត្រូវ

41 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. គ្រលពេក

b. ច្បាស់ល្អ

c. ស្រួយពេក

d. និយាយមិនសូវច្បាស់ល្អ

42 / 60

Advantage of palatal strap :

a. more economical and comfortable to the patient

b. increased retention of appliance

c. increased rigidity with less bulk

d. can be used in Kennedy class I partial dentures

43 / 60

The kennedy classification of this RPD is:

a. class II mod I

b. class I mod II

c. class IV mod II

d. Class I mod I

44 / 60

A continuous bar is otherwise known as:

a. kennedy bar

b. linguoplate

c. kennedy bar and cingulum bar

d. cingulum bar

45 / 60

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

a. Distal and mesial rests

b. Distal and mesial rests half and half clasp

c. Mesial rest and back action clasp

d. Mesial rest and I- bar clasp

46 / 60

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

a. Kennedy class I mod. I

b. Kennedy class II

c. Kennedy class I

d. Kennedy class II mod .I

47 / 60

Occlusal rest preparation should be:

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

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

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

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

48 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Distale

b. Face Vestibulaire

c. Face occlusale

d. Face Mesiale

49 / 60

Removable partial denture movements away from tissue may occur due to following except:

a. Moving border tissues

b. Gravity

c. Mastication

d. Pull of food

50 / 60

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

a. Pull of food

b. Moving border tissues

c. Mastication

d. Gravity

51 / 60

Abutment:

a. ធ្មេញផ្លាស់ថ្មី

b. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

c. ធ្មេញធម្មជាតិនៅមាន

d. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

52 / 60

Bar Clasp គេប្រើទៅលើ :

a. Class II

b. Class I

c. Class IV

d. Class III

53 / 60

The goal of extension of RPD framework should be:

a. Function, Occlusion

b. Stability framework

c. All are correct

d. Tissues adaptation

54 / 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 prevent vertical dislodgement of the distal extension base of removable partial denture.

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

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

55 / 60

Back Action Clasp:

a. រឹងខ្លាំង

b. ស្វិតខ្លាំង

c. ពិបាកនឹងពត់

d. ងាយខូចទ្រង់ទ្រាយ

56 / 60

The most important cause of failure of patients wear RPD is due to:

a. indifferent patient education

b. improper preliminary rehabilitative restorative procedures

c. poor framework design

d. faulty laboratory procedures

57 / 60

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

a. Direct retainers

b. Guide planes

c. Indirect retainers

d. Major connector

58 / 60

Posterior palatal bar is placed :

a. on the soft tissue

b. placed on the hard palatal entirely

c. at the junction of the hard and soft palate

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

59 / 60

Bar Clasp វាគ្របលើក្រឡាផ្ទៃ :

a. ធំ

b. ប្រឡោះចង្អៀត

c. ទូលាយ

d. តូច

60 / 60

Minor Connector តភ្ជាប់ទៅ :

a. Denture Base

b. Abutment

c. Dent Artificielle

d. Clasp

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត