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

Limitations to use of internal attachment are following except:

a. Size of the pulp

b. Cost of the prosthesis

c. Clinical crown short

d. Availability

2 / 60

Physiologic adjustment of the framework:

a. Is usually done at delivery of the RPD

b. May be omitted in the presence of strong abutments and good residual ridges

c. Should be done at the framework try-in appointment

d. Is usually done at the records appointment

3 / 60

Functions of guiding planes are:

a. Ensuring definite path of placement

b. They make all the teeth parallel to each other

c. Ensuring definite path of placement and Ensure predictable clasp retention

d. Ensure predictable clasp retention

4 / 60

All of the following clasps are infrabulge clasps except:

a. Modified T bar

b. Aker clasp

c. I bar

d. Roach clasp

5 / 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

6 / 60

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

a. Chrome cobalt

b. Titanium

c. Nickel chrome

d. Platinum

7 / 60

Rest អាច :

a. អោយជាលិកានៅដដែល

b. សង្កត់លើជាលិកាទន់ឈឺ

c. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

d. អោយជាលិកាទន់រហែក

8 / 60

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

a. class I situation

b. class IV situation

c. class III situation

d. class II situation

9 / 60

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

a. Depend on design tray

b. Esthetic considerations

c. Depend on secondary impression

d. Depend on impression

10 / 60

The Removable Partial Denture design should be finalized prior to:

a. Remove crown bridge

b. Any fixed prosthodontics treatment and preparation of rest seats

c. Any emergency treatment

d. Remove third molar

11 / 60

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

a. Minor connector

b. Rest

c. Retentive clasp arm

d. Reciprocating arm

12 / 60

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

a. Embrasure clasp

b. Back action clasp

c. Hair pin clasp

d. Half and half clasp

13 / 60

Cast:

a. ម៉ូដែលធ្មេញដែលធ្វើពីក្រមួន

b. ម៉ូដែលធ្មេញដែលធ្វើពីដែក

c. ម៉ូដែលធ្មេញដែលធ្វើពីជាតិនីឡុង

d. ម៉ូដែលធ្មេញដែលធ្វើពីម្នាងសិលា

14 / 60

RPD is indicated in all EXCEPT :

a. excessive loss of alveolar bone

b. long edentulous span

c. multiple edentulous spaces

d. distal abutment loss

15 / 60

When designing palatal major connectors ,relief should for:

a. Palatal torus

b. Rugae areas

c. Ridge area

d. Elevated mid suture line

16 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ដែលធ្មេញផ្នែកខាងក្រោយគ្មានត្រូវ :

a. បង្រួមបាត

b. ធ្វើអោយរលុងបាត

c. ពង្រីកបាតក្រោយ

d. ធ្វើទ្រនង់បាត

17 / 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

18 / 60

Rest នៅផ្នែក Cingulum គេប្រើៈ:

a. នៅថ្គាមលើ

b. នៅធ្មេញមុខលើ

c. នៅថ្គាមតូចលើ

d. នៅធ្មេញចង្កូមលើ

19 / 60

A class I modification 0 of RPD normally are have many clasps?:

a. 3 clasps

b. 1 clasp

c. 4 clasps

d. 2 clasps

20 / 60

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

a. Moving border tissues

b. Mastication

c. Gravity

d. Pull of food

21 / 60

The superior border of lingual bar should lie :

a. at the cingulum of anterior teeth

b. at least 8mm below the gingival margin

c. deep in the lingual sulcus

d. at least 4mm below the gingival margin

22 / 60

The total retention for a RPD is obtained from:

a. Occlusion of artificial teeth

b. Artificial teeth with natural teeth

c. Fictional retention from guide surface/guide plate contacts

d. Artificial teeth with major connector

23 / 60

The function of minor connector is :

a. it is that unit of RPD to which all other parts are directly or indirectly attached

b. connects major connector to all the components of RPD

c. presents gingival displacement of RPD

d. allows a single path of placement of the RPD

24 / 60

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

a. By tripoding with tiny pits

b. By tilting the joint of the surveyor table

c. By scoring as well as tripoding with pits

d. By scoring the base of the cast

25 / 60

Indirect retainer:

a. resists lever action

b. maintains all of the above

c. assists direct retainer

d. prevents displacement of RPD

26 / 60

Retentive arm នៅ:

a. ពក Vestibulaire នៃធ្មេញជន្ទល់

b. ត្រង់ Undercut នៃធ្មេញជន្ទល់

c. ចំណុចប៉ះមុខ Mesiale នៃធ្មេញជន្ទល់

d. ពក Linguale នៃធ្មេញជន្ទល់

27 / 60

Fulcrum line ជាបន្ទាត់មួយរត់កាត់តាមៈ:

a. Vestibular rest seat

b. Lingual rest seat

c. Mésial rest seat

d. Distal rest seat

28 / 60

Metal bases use :

a. for anterior edentulous space

b. small edentulous space (no room for grid work)

c. for posterior edentulous space

d. big edentulous space

29 / 60

The external finish lines on this framework are:

a. Indistinct

b. Would allow for acrylic and metal

c. Correct

d. too deep or over contoured

30 / 60

Considering the design of an RPD for the mandibular arch:

a. A dual path of insertion should be considered

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

c. Retentive clasps are required next to each edentulous space

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

31 / 60

Rigid metal retention is associated with:

a. The need for excellent esthetics

b. A class IV RPD

c. A dual path of insertion

d. All are correct

32 / 60

Passive retention in RPDs is provided by :

a. guiding planes

b. indirect retainers

c. undercuts

d. direct retainers

33 / 60

Use long guide plane on class IV kennedy for:

a. Retention denture base

b. Stabilization denture base

c. Esthetic denture

d. Path of insertion

34 / 60

Component of a clasp assembly is:

a. One or two rests, a retentive arm, a bracing or reciprocating element and one or two minor connector

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

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

d. One minor connector, one major connector, one rest, one retentive arm, one bracing or reciprocating element

35 / 60

Reciprocal Arm សន្តូក :

a. ក្រោមបន្ទាត់ស្ទង់

b. លើគន្លងនៃមុខទំពារ

c. លើមុខទំពារ

d. លើបន្ទាត់ស្ទង់

36 / 60

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

a. All are correct

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

c. A high lingual frenum

d. the presence of lingual tori

37 / 60

Setting of a RPD may occur due to one of the following reasons, except:

a. Giving canine rest seat

b. Intrusion of abutment

c. Improper rest design

d. Flow of amalgam underneath restorations

38 / 60

Occlusal rest preparation should be:

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

b. all are correct

c. at least one millimetre deep

d. spoon shaped

39 / 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 IV mod. II

c. Class II mod. I

d. Class I mod. I

40 / 60

ទំពក់ Circlet:

a. ស្រួលធ្វើគំរោង

b. ពិបាកធ្វើគំរោង

c. ពិបាកដាក់លើធ្មេញជន្ទល់

d. ពិបាកពត់ឡើងចុះ

41 / 60

A distal extension partial denture receives its support :

a. from terminal abutments

b. equally from abutments and the residual ridges

c. mostly from residual ridge

d. exclusively from residual ridge

42 / 60

The open lattice type on a maxillary class I Removable Partial Denture:

a. Covers the hamular notch

b. Does not require substantial inter arch space

c. Covers the tuberosity

d. Does not cover the tuberosity

43 / 60

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

a. Good esthetics

b. To provide parallel proximal surfaces

c. To determine retention

d. To avoid interferences

44 / 60

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

a. Distal and mesial rests

b. Mesial rest and back action clasp

c. Distal and mesial rests half and half clasp

d. Mesial rest and I- bar clasp

45 / 60

Minor Connector ភ្ជាប់ពី Rest ទៅៈ:

a. Clasp

b. Pontic

c. Denture Base

d. Major Connector

46 / 60

A minor connector located at embrasure should be:

a. Tapering away from contact area

b. Thinnest toward lingual surface

c. Thickest toward buccal surface

d. Thickest toward lingual surface

47 / 60

Internal occlusal rests are indicated in:

a. Tooth supported class III designs

b. All distal extension denture base designs

c. Tooth tissue supported class I designs

d. Tooth tissue supported class II designs

48 / 60

A removable partial denture may be:

a. All tissues supported

b. All tooth supported

c. Tooth and tissues supported

d. All tooth supported and tissues supported

49 / 60

Function of denture bases :

a. improve esthetics

b. stress distribution surface area

c. support and retain denture teeth

d. all are corrected

50 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face occlusale

b. Face Vestibulaire

c. Face Mesiale

d. Face Distale

51 / 60

សាច់ដុំ Depression or opening of the mouth:

a. External Pterygoids

b. Masseter

c. Internal Pterygoids

d. Temporal

52 / 60

The Kennedy classification of this RPD is:

a. Kennedy class IV mod I

b. Kennedy class III mod I

c. Kennedy class II mod I

d. Kennedy class III

53 / 60

Lingual bar is used in conditions where :

a. lingual sulcus is shallow

b. lingual sulcus is deep

c. when abutment teeth have poor bony support

d. when splinting of adjacent teeth is required

54 / 60

Attachment between porcelain tooth and denture base resin is:

a. Adhesion

b. Chemical

c. Mechanochemical

d. Mechanical

55 / 60

The superior border of linqual bar should be:

a. Deep in the linqual sulcus

b. At the cingulum of anterior teeth

c. At least 4 mm below the gingival margin

d. At least 7 mm below the gingival margin

56 / 60

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

a. Guide planes

b. Indirect retainers

c. Direct retainers

d. Major connector

57 / 60

Guiding plane are:

a. usually single and usually multiple

b. usually single

c. usually multiple

d. usually parallel

58 / 60

Physiologic Rest in a position of vertical dimension which can be recorded with:

a. Edge to edge incisor contact

b. Posselt’s envelope

c. Centric occlusion or MIP

d. Centric relation

59 / 60

Advantage of internal occlusal rest are following except:

a. Eliminates visible clasp arm

b. Provides support and stabilization

c. Rest seat is located in a more favorable position

d. Provide retention

60 / 60

The function of the guide plate is to:

a. Help establish a definitive path of insertion/ dislodgement

b. Stabilize the RPD by controlling its horizontal position

c. All are correct

d. Provide contact with the adjacent tooth

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត