Partial Denture I Test

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1 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. គ្រលពេក

b. និយាយមិនសូវច្បាស់ល្អ

c. ច្បាស់ល្អ

d. ស្រួយពេក

2 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan sagittal médian

b. Plan de francfort

c. Plan de camper

d. Plan frontal

3 / 60

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

a. Centric occlusion, the tongue touches the palate

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

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

d. Retruded contact, the tongue touches the palate

4 / 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. I

b. Class II mod. I

c. Class IV mod. II

d. Class I mod. II

5 / 60

Which one of the following Kennedy classes of RPD, never has an axis of rotation?:

a. class IV of Kennedy

b. class III of Kennedy

c. class I of Kennedy

d. class II of Kennedy

6 / 60

Retentive terminal ស្ថិតនៅ:

a. Terminal third

b. Proximal third

c. Middle third

d. ទាំង 3ខាងលើត្រូវ

7 / 60

All of the following clasps are infrabulge clasps except:

a. Aker clasp

b. Roach clasp

c. I bar

d. Modified T bar

8 / 60

Following parts of a RPD may act as indirect retainer except:

a. Rests

b. Minor connector supporting rests

c. Retentive tip

d. Proximal plates

9 / 60

Advantages of resin bases is :

a. dimensional stability-warp

b. porous – hygiene

c. esthetically superior to metal bases

d. lower strength / wear resistance than metal

10 / 60

Dislodgement of indirect retainer from its seat when rotation occurs, indicates:

a. Efficient indirect retainer and Need to reline the distal extension denture base

b. Efficient indirect retainer

c. Need to reline the distal extension denture base

d. Inefficiency of direct retainer

11 / 60

សមាសភាពនៃធ្មេញដាក់ដោះមួយផ្នែក :

a. Abutment Tooth

b. Ponctic និង Denture Base

c. ទាំងបីខាងលើត្រូវ

d. Ponctic

e. Denture Base

12 / 60

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

a. Articulating ribbon

b. Acrylic-self cure

c. Mylar strips

d. Green casting wax

13 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Abutment

c. Major Connector

d. Artificial teeth

14 / 60

Floor of the cingulum rest seats is placed towards:

a. Distal axial wall

b. Incisal end

c. Mesial axial wall

d. Cervical end

15 / 60

What would be the best denture base connectors when there is limited inter occlusal space (<3mm):

a. Mesh type

b. Open lattice type

c. All metal base

d. All plastic base

16 / 60

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

a. Edge to Edge Incisor Contact

b. Negative, Horizontal and Vertical Overlaps at incisors

c. Maximum Mandibular Protrusion

d. Centric Relation and Centric Occlusion

e. All are correct

17 / 60

Following are true for distal extension denture base RPD except:

a. Metal denture bases can be used when the tissues are displaced

b. Metal denture bases can be used

c. If relining is required, metal denture base can be replaced

d. More resorption occurs at the distal most end of edentulous area

18 / 60

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

a. increased caries activity

b. increased periodontal problems

c. corrosion of the metal the framework

d. whitening acrylic resin and artificial teeth

19 / 60

Adhésion គឺទំនាញម៉ូលេគុលៈ:

a. 2 ដូចគ្នា

b. 1 ដូចគ្នា

c. 2 មិនដូចគ្នា

d. 3 មិនដូចគ្នា

20 / 60

Ponctic គឺតួស្ពានដែលធ្វើអំពីៈ:

a. Plastic ឬ metal crown

b. Composite

c. Amalgame

d. Ciment

21 / 60

Relief under a maxillary major connector :

a. may be used

b. is required

c. is generally not required

d. may not be used

22 / 60

Physiologic adjustment of the framework:

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

b. Is usually done at delivery of the RPD

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

d. Is usually done at the records appointment

23 / 60

Retentive tip of a clasp should usually be designed to be placed in:

a. The gingival 2/3

b. The gingival 1/3

c. The occlusal 2/3

d. The occlusal 1/3

24 / 60

Ina cast partial denture wearer, the stresses transferred to the abutment teeth are decreased if :

a. retentive arm of the clasp is less flexible

b. length of the clasp is increased

c. edentulous span is long

d. clasp is active when placed on abutment teeth

25 / 60

Infrabulge clasps originate:

a. above the occlusal surface of most premolars

b. above the 12mm undercut areas

c. above the height of contour

d. below the height of contour

26 / 60

Lattice pattern is preferable for mesh pattern of minor connector to connect denture base to major connector because:

a. Gives bulk to the minor connector

b. It gives excellent attachment

c. It gives excellent attachment while minimizing warping resin bases

d. It gives excellent attachment and Gives bulk to the minor connector

27 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Denture Base

b. Pontic

c. Major Connector

d. Rest

28 / 60

ទំពក់ Circlet:

a. ពិបាកពត់ឡើងចុះ

b. ពិបាកធ្វើគំរោង

c. ពិបាកដាក់លើធ្មេញជន្ទល់

d. ស្រួលធ្វើគំរោង

29 / 60

Passive retention in RPDs is provided by :

a. undercuts

b. indirect retainers

c. direct retainers

d. guiding planes

30 / 60

Subjacent Tissue:

a. ជាលិកាមួយផ្នែកដែលបាតក្រអូមគ្រប

b. ជាលិកាខ្លះដែលបាតក្រអូមគ្រប

c. ទាំងបីខាងលើត្រូវ

d. ជាលិកាទាំងអស់ដែលបាតក្រអូមគ្រប

31 / 60

Vertical tissue ward movement of denture is controlled by following except:

a. Total amount of occlusal load applied

b. Accurately fitting denture base

c. Retentive tip of the clasp

d. Tissue of residual ridge

32 / 60

Main cause of failure of partial denture results from :

a. interference with the function of the tongue

b. caries of the abutment

c. resorption of the ridge

d. fracture of metal frame work

33 / 60

The external finish line is:

a. the external of framework metal and supporting tissues

b. the external of framework metal and the natural teeth

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

d. the external of framework metal and denture base plastic

34 / 60

A removable partial denture may be:

a. All tissue supported

b. All tooth supported

c. All tooth supported and tissue supported

d. Tooth and tissue supported

35 / 60

The gridwork minor connector on a maxillary class I removable partial denture:

a. Covers the hamular notch

b. Covers the tuberosity

c. Covers the crest and tuberosity

d. Does not cover the tuberosity

36 / 60

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

a. Hard brush using and strong brushing

b. Pipe smoking

c. Occlusion trauma

d. Strong mastication

37 / 60

An ideal clasp assembly should possess the following quality:

a. Retention with denture base

b. Retention

c. Retention with major connector

d. Retention with minor connector

38 / 60

Protrusive or Retrusive movements can also be called………………movement:

a. translatory or shifting

b. translatory or vertical

c. sliding crossbite excursions

d. translatory or sliding

39 / 60

Considering the design of an RPD for the mandibular arch…:

a. Retentive clasps are required next to each edentulous space

b. Survey crowns should be done to correct the mesial tilt of the molar

c. Dual path of insertion should be considered

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

40 / 60

When the survey line is height on the Mesial or Distal but low on the center, which one design clasp:

a. T clasp

b. U clasp

c. I clasp

d. Y clasp

41 / 60

Major Connector គឺផ្នែកនៃគំរោងដែលតាំងនៅ :

a. ម្ខាងនៃក្រអូម

b. សងខាងក្រអូម

c. សងខាងក្រអូម

42 / 60

In this Class I mandibular removable partial denture, rests preparations on the cingulum of (#33&#43):

a. Are correct if rests preparations are good

b. Would provide indirect retention for the removable partial denture

c. Are not indicated in this case

d. Would provide indirect retention for the removable partial denture if covered by the major connector

43 / 60

The superior border of lingual bar should lie :

a. at least 4mm below the gingival margin

b. deep in the lingual sulcus

c. at least 8mm below the gingival margin

d. at the cingulum of anterior teeth

44 / 60

In the mesial rest, guide plane and i-bar design, reciprocation is achieved by:

a. minor connectors

b. retentive clasp arm

c. flexible plating

d. major connectors

45 / 60

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

a. By tilting the joint of the surveyor table

b. By scoring the base of the cast

c. By scoring as well as tripoding with pits

d. By tripoding with tiny pits

46 / 60

A distal extension partial denture receives its support :

a. from terminal abutments

b. mostly from residual ridge

c. equally from abutments and the residual ridges

d. exclusively from residual ridge

47 / 60

Guide plates for anterior teeth:

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

b. Should be kept to the proximal faces for esthetics

c. Should be kept to the cingular for esthetics

d. Should be kept to the labial for esthetics

48 / 60

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

a. Pull of food

b. Gravity

c. Mastication

d. Moving border tissues

49 / 60

ចំណាត់ថ្នាក់ទី ១ នៃចន្លោះធ្មេញ:

a. ប្រឡោះផ្នែកខាងមុខតែមួយ

b. ប្រឡោះផ្នែកខាងក្រោយទាំងពីរ

c. ប្រឡោះផ្នែកខាងទាំងពីរ

d. ទាំងបីខាងលើត្រូវ

50 / 60

Bar Clasp ចូលដល់ Undercut ពីខាង:

a. អញ្ចាញ

b. មុខ Distale

c. មុខ Occlusal

d. មុខ Mésiale

51 / 60

The correct answer the basic movements of the mandible:

a. Lateral, dimension, excursion

b. Hinge , lateral and translatory movement

c. Hinge, chewing and yawing

d. Translatory movements relative to centric relation

52 / 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 vertical dislodgement of the distal extension base of a RPD

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

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

53 / 60

Impression:

a. គន្លងនៅលើពុម្ពធ្មេញ

b. ក្រហែងនៅលើពុម្ពធ្មេញ

c. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

d. ក្រឡុកនៅលើពុម្ពធ្មេញ

54 / 60

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

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

b. keeping minimum of 4 mm distance for major connector

c. minor connectors joining major connector at <90>

d. keeping minimum of 6 mm distance for major connector

55 / 60

An angle > 90 degrees between rest and its minor connector may result in:

a. Orthodontic correction of the abutment

b. All are corrects

c. More support for prosthesis

d. Slippage of prosthesis

56 / 60

Interfacial Surface Tension គឺជាលទ្ធភាពរបស់ម៉ូលេគុលៈ:

a. ទាំងពីរស្រូបចូលគ្នា

b. ទាំងបីស្រូបចូលគ្នា

c. ទាំងបួនស្រូបចូលគ្នា

d. ទាំងប្រាំស្រូបចូលគ្នា

57 / 60

Uses of multiple clasp includes following except:

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

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

c. When additional retention is needed in class III cases

d. In class II modification 1 areas

58 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយប្រសើរនូវៈ:

a. ទំពារអាហារ

b. ទាំង 3ខាងលើត្រូវ

c. បៀមអាហារ

d. ការលេបអាហារ

59 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Triangular

b. Square

c. Ovoid

d. Tapering

60 / 60

Distance of indirect retainer from fulcrum line is affected by following, except:

a. Rigidity of the indirect retainer

b. Location of principal abutment

c. Length of distal extension base

d. Location of fulcrum line

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត