Partial Denture I Test

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1 / 60

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

a. Posselt’s envelope

b. Centric relation

c. Edge to edge incisor contact

d. Centric occlusion or MIP

2 / 60

Abutment:

a. ធ្មេញធម្មជាតិនៅមាន

b. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

c. ធ្មេញផ្លាស់ថ្មី

d. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

3 / 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

4 / 60

Lingual plating should be supported :

a. by the inclined surfaces of the mandibular incisors

b. with minor connector

c. with bracing arms

d. with the rests

5 / 60

The function of the guide plate is to:

a. Help establish a definitive path of insertion/ dislodgement

b. All are correct

c. Provide contact with the adjacent tooth

d. Stabilize the RPD by controlling its horizontal position

6 / 60

What are the functions of an indirect retainer:

a. To connect the parts of the prosthesis located on one side of the arch with those on the opposite side

b. To prevent vertical dislodgement of the distal extension base of a RPD

c. To prevent horizontal dislodgement of the distal extension base of a RPD

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

7 / 60

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

a. whitening acrylic resin and artificial teeth

b. increased periodontal problems

c. corrosion of the metal the framework

d. increased caries activity

8 / 60

Mesh type of grid work minor connectors is:

a. Potentially superior retention

b. Struts are too thick

c. Potentially more rigid

d. Interferes with setting of teeth

9 / 60

The function of minor connector is :

a. allows a single path of placement of the RPD

b. presents gingival displacement of RPD

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

d. connects major connector to all the components of RPD

10 / 60

Most common complaint of the patient with a thick palatal bar in a RPD is :

a. distortion under occlusal stress

b. poor dissipation of force due to rigidity

c. loss of taste sensation

d. difficulty in pressing the food backward and swallowing

11 / 60

All of the following clasps are infrabulge clasps except:

a. Roach clasp

b. Aker clasp

c. I bar

d. Modified T bar

12 / 60

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

a. Maximum Mandibular Protrusion

b. Centric Relation and Centric Occlusion

c. Edge to Edge Incisor Contact

d. Negative, Horizontal and Vertical Overlaps at incisors

e. All are correct

13 / 60

The basic movement of mandible:

a. hinge ,lateral and translatory movement

b. hinge movement

c. lateral movement

d. translatory movement

14 / 60

Infrabulge clasp is advocated by:

a. Devan

b. Wills

c. Applegate

d. Kennedy

15 / 60

Which of the following clasps commonly utilize lingual undercut?:

a. Extended arm clasp

b. Ring clasp

c. Embrasure clasp

d. Back action clasp

16 / 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. at the hamular notch

b. in the glenoid fossa

c. opposite the buccal pouch

d. opposite stenon’s duct

17 / 60

Mandibular gridwork design of minor connectors:

a. extend 2/3 of the way from abutment tooth to retromolar pad

b. extend fully to the hamular notch

c. prevents thin, edges fracturing

d. maximum bulk of the acrylic resin

18 / 60

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

a. Good esthetics

b. To avoid interferences

c. To provide parallel proximal surfaces

d. To determine retention

19 / 60

When a survey line is high:

a. A bar clasp can be given

b. Bar clasp cannot be given

c. A circumferential clasp can be given

d. Circumferential clasp cannot be designed

20 / 60

Interfacial Surface Tension គឺជាលទ្ធភាពរបស់ម៉ូលេគុលៈ:

a. ទាំងប្រាំស្រូបចូលគ្នា

b. ទាំងបីស្រូបចូលគ្នា

c. ទាំងបួនស្រូបចូលគ្នា

d. ទាំងពីរស្រូបចូលគ្នា

21 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Ovoid

b. Square

c. Tapering

d. Triangular

22 / 60

Denture Base គឺជាកន្លែងដែលគេដាំៈ:

a. គ្រាប់ Amalgame

b. ជាតិ Ionomer

c. គ្រាប់ធ្មេញ

d. ជាតិ Ciment

23 / 60

Passive retention in RPDs is provided by :

a. guiding planes

b. direct retainers

c. indirect retainers

d. undercuts

24 / 60

Approach arm វាចូលដល់ Undercut តាមរយៈ :

a. កធ្មេញ

b. មុខ Distal

c. មុខទំពារ

d. មុខ Mesial

25 / 60

La dimension verticale d’occlusion ធ្មេញខាំប៉ះ :

a. ខាងក្រោយ

b. តែម្ខាង

c. ខាងមុខ

d. ទាំងអស់

26 / 60

Bar Clasp ចូលដល់ Undercut ពីខាង:

a. អញ្ចាញ

b. មុខ Mésiale

c. មុខ Distale

d. មុខ Occlusal

27 / 60

The correct answer the basic movements of the mandible:

a. Hinge , lateral and translatory movement

b. Translatory movements relative to centric relation

c. Hinge, chewing and yawing

d. Lateral, dimension, excursion

28 / 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. Does not cover the tuberosity

d. Covers the tuberosity

29 / 60

Direct retainers offer:

a. Primary retention

b. Mechanical retention

c. Secondary retention

d. Primary retention and Mechanical retention

30 / 60

A clasp assembly should:

a. have a retentive arm that terminates in an undercut

b. have a retentive arm with adequate length and taper for flexibility

c. have elements that considered together provide 180 degree encirclement

d. All are correct

31 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Abutment

c. Artificial teeth

d. Major Connector

32 / 60

Which of the following maxillary major connectors possesses the least strength and rigidity?:

a. anterior posterior palatal strap

b. horse –shoe

c. palatal plate

d. modified palatal strap

33 / 60

Prosthesis:

a. ធ្មេញធម្មជាតិសម្រាប់ទំពារអាហារ

b. ធ្មេញធម្មជាតិនៅទំនេរ

c. ធ្មេញសិប្បនិម្មិតផ្លាស់ថ្មី

d. ធ្មេញធម្មជាតិសម្រាប់ពាក់ទំពក់

34 / 60

Physiologic adjustment of the framework is related to:

a. Adjustment of the framework to the teeth

b. Internal finish line

c. The residual ridge and teeth

d. The classification of kennedy

35 / 60

Following condition(s) is/are also called as distal extension partial denture:

a. Kennedy’s class IV

b. Applegate class VI

c. Kennedy’s class I

d. Applegate class V

36 / 60

What are the typical positions of the maxillary and mandibular teeth, and the tongue during empty mouth swallowing?:

a. Retruded contact, the tongue touches the palate

b. Centric occlusion, the tongue touches the palate

c. Retruded contact, the tongue touches the lingual aspects of the anterior teeth

d. Occlusion, the tongue touches the lingual aspects of the anterior teeth

37 / 60

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

a. Gravity

b. Pull of food

c. Moving border tissues

d. Mastication

38 / 60

Ring Clasp អាចទប់នឹង:

a. ទាំង 3ខាងលើត្រូវ

b. មិនអាចទប់នឹងទំងន់ផ្តេក

c. កំលាំងផ្តេក

d. កំលាំងបណ្តោយតាមមុខទំពារ

39 / 60

What are the functions of an indirect retainer:

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

b. to prevent horizontal dislodgement of the distal extension bases 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 prevent vertical dislodgement of the distal extension base of removable partial denture.

40 / 60

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

a. improper preliminary rehabilitative restorative procedures

b. poor framework design

c. faulty laboratory procedures

d. indifferent patient education

41 / 60

A lingual plate major connector may be selected be cause:

a. the mandibular incisors are tilted lingually

b. there is a high lingual frenum

c. All are correct

d. there are mandibular tori present

42 / 60

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

a. Gravity

b. Mastication

c. Moving border tissues

d. Pull of food

43 / 60

ទំពក់ Circlet:

a. ពិបាករកដែកធ្វើ

b. ពិបាកផ្សារតភ្ជាប់នៅពេលបាត់

c. ងាយស្រួលជួសជុល

d. ពិបាកជួសជុល

44 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក រំលែកបន្ទុកលើផ្ទៃ:

a. Linguale

b. Mésisal

c. Occlusal

d. Vestibulaire

45 / 60

The support for a RPD is usually :

a. tooth support

b. tooth and mucosa support

c. occlusal rest support

d. mucosa support

46 / 60

Incisal rests:

a. Mostly used as indirect retainer

b. Mostly preferred for maxillary anterior

c. Mostly used as axillary rests and Mostly used as indirect retainer

d. Mostly used as axillary rests

47 / 60

The superior border of linqual bar should be:

a. At least 4 mm below the gingival margin

b. At least 7 mm below the gingival margin

c. Deep in the linqual sulcus

d. At the cingulum of anterior teeth

48 / 60

If a third molar is absent and not to be replaced :

a. it may or may not be considered

b. it is considered important for classification

c. none applies

d. it is not consideration in the classification of partial dentures

49 / 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. Hydrocolloids

c. Impression paste

d. Silicone impression materials

50 / 60

Parts that offer support for RPD are following:

a. Rest and minor connector

b. Rest and retentive arm

c. Rest and reciprocal arm

d. Rest and denture base

51 / 60

សមាសភាពនៃធ្មេញដាក់ដោះមួយផ្នែក :

a. ទាំងបីខាងលើត្រូវ

b. Ponctic

c. Abutment Tooth

d. Ponctic និង Denture Base

e. Denture Base

52 / 60

The superior border of lingual bar should lie :

a. at least 8mm below the gingival margin

b. at least 4mm below the gingival margin

c. deep in the lingual sulcus

d. at the cingulum of anterior teeth

53 / 60

Kennedy classification is determined by:

a. The most posterior tooth missing

b. The largest tooth in the space

c. The most anterior tooth missing

d. The first tooth to be lost

54 / 60

Full incisal rests are indicated in following except:

a. To abrade anatomy of teeth

b. To provide retention

c. To provide stabilization

d. To provide anterior guidance

55 / 60

Relief under a maxillary major connector :

a. is generally not required

b. may be used

c. is required

d. may not be used

56 / 60

Following parts of a removable partial denture may act as indirect retainer, except:

a. Proximal plates

b. Rests

c. Retentive tip

d. Minor connector supporting rests

57 / 60

Multiple clasps are jointed at:

a. Tip of retentive terminals

b. Tip of reciprocal terminals

c. Back of the minor connector

d. Back of the occlusal rests

58 / 60

Minor connector for maxillary distal extension denture base extend unto:

a. Entire the length of edentulous ridge

b. Two-third the length of edentulous ridge

c. One-third the length of edentulous ridge

d. Half the length of the edentulous ridge

59 / 60

Uses of multiple clasp includes following except:

a. In class II modification 1 areas

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

c. When additional retention is needed in class III cases

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

60 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from grid work

b. Mechanical retention from minor connectors

c. Mechanical retention from clasps (direct retainer)

d. Mechanical retention from major connector

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត