Partial Denture I Test

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1 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. និយាយមិនសូវច្បាស់ល្អ

b. ស្រួយពេក

c. ច្បាស់ល្អ

d. គ្រលពេក

2 / 60

Anterior posterior palatal strap especially use is:

a. use in most cases

b. minimum bulk

c. torus palatal

d. maximum rigidity

3 / 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

4 / 60

Modification spaces are :

a. spaces other than the original class

b. spaces anterior to all teeth

c. spaces posterior to all teeth

d. additional space in class IV

5 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. រុញទល់នឹងកន្លែងទប់

b. រុញហួសពីកន្លែងទប់

c. រុញនៅត្រឹមអញ្ចាញ

d. ទាញ

6 / 60

Classification of lever system is based on location of:

a. Are all corrected

b. Resistance

c. Fulcrum line

d. Direction of effort

7 / 60

ទិសដៅនៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ប៉ះបំពេញភាពដើម

b. ដាក់ទៅមុខទំពារពុំសូវល្អ

c. ដាក់ត្រង់កន្លែងខ្លះៗ

d. ដាក់នៅសល់ប្រឡោះធ្មេញ

8 / 60

Posterior palatal bar is placed :

a. on the soft tissue

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

c. at the junction of the hard and soft palate

d. placed on the hard palatal entirely

9 / 60

For the preparation of rest seat:

a. The outline to have greater length than width

b. Marginal ridge should be reduced by 1 mm

c. The outline to have greater width than length

d. Marginal ridge should be reduced by 25 mm

10 / 60

Most apical portion of a cingulum rest is:

a. Distal corner

b. Floor of the preparation

c. Mesial corner

d. Apex of the preparation

11 / 60

Mesh type of grid work minor connectors is:

a. Potentially more rigid

b. Potentially superior retention

c. Struts are too thick

d. Interferes with setting of teeth

12 / 60

Bar Clasp ធ្វើអោយចំណីអាហារ:

a. ខ្ទាតចេញផុត

b. ជាប់

c. មិនជក់នៅ

d. រអិលចេញ

13 / 60

Unilateral edentulous area with natural teeth both anterior and posterior to it represent Kennedy’s…..arch :

a. class II

b. class IV

c. class III

d. class I

14 / 60

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

a. modified palatal strap

b. anterior posterior palatal strap

c. horse –shoe

d. palatal plate

15 / 60

Rest អាចៈ:

a. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

b. សង្កត់លើជាលិកាទន់ឈឺ

c. អោយជាលិការហែក

d. អោយជាលិកាទន់នៅដដែល

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. opposite the buccal pouch

b. in the glenoid fossa

c. at the hamular notch

d. opposite stenon’s duct

17 / 60

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

a. Depend on of abutments

b. Hard and soft tissue interferences

c. Depend on force of mastication

d. Depend on attitude the patient

18 / 60

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

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

b. A high lingual frenum

c. All are correct

d. the presence of lingual tori

19 / 60

An ideal clasp assembly should possess the following quality:

a. 180 degree encirclement

b. 160 degree encirclement

c. 45 degree encirclement

d. 90 degree encirclement

20 / 60

Reciprocal Arm តស៊ូទប់ទល់នឹងទម្ងន់:

a. ផ្អៀង

b. បញ្ឈរ

c. ទាំងបីខាងលើត្រូវ

d. ផ្តេក

21 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from major connector

b. Mechanical retention from grid work

c. Mechanical retention from minor connectors

d. Mechanical retention from clasps (direct retainer)

22 / 60

Reciprocal Arm អាចតទល់នឹងចលនាៈ:

a. ខ្វែង

b. ផ្អៀង

c. បញ្ឈរ

d. ផ្តេក

23 / 60

Indirect retainer:

a. resists lever action

b. assists direct retainer

c. prevents displacement of RPD

d. maintains all of the above

24 / 60

Advantage of palatal strap :

a. more economical and comfortable to the patient

b. increased retention of appliance

c. can be used in Kennedy class I partial dentures

d. increased rigidity with less bulk

25 / 60

La dimension verticale d’occlusion ធ្មេញខាំប៉ះ :

a. ខាងក្រោយ

b. ទាំងអស់

c. ខាងមុខ

d. តែម្ខាង

26 / 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

27 / 60

Rest:

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

b. need not have rest seat

c. is placed on rest seat always

d. mainly offers stability

28 / 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. 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. Centric occlusion, the tongue touches the palate

29 / 60

A removable partial denture may be:

a. All tooth supported and tissue supported

b. All tooth supported

c. Tooth and tissue supported

d. All tissue supported

30 / 60

Atmosphéric Pressure:

a. សម្ពាធក្នុងមាន សម្ពាធក្រៅគ្មាន

b. សម្ពាធក្នុងស្មើនឹងសម្ពាធក្រៅ

c. សម្ពាធក្នុងធំជាងសម្ពាធក្រៅ

d. សម្ពាធក្រៅធំជាងសម្ពាធក្នុង

31 / 60

Clasp retention is:

a. Resistance of metal to deformation

b. Tight holding of tooth by the clasps

c. Perpendicular to path of placement

d. Perpendicular to path of placement and Resistance of metal to deformation

32 / 60

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

a. Nickel chrome

b. Chrome cobalt

c. Titanium

d. Platinum

33 / 60

Following are the intended functions of guiding planes, except:

a. Ensure intended action of retainer

b. Provide one path of placement

c. To support the retainer arm and reciprocal arm

d. Eliminate food trap

34 / 60

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

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

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

c. Dual path of insertion should be considered

d. Retentive clasps are required next to each edentulous space

35 / 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

36 / 60

Body ភ្ជាប់ពី Rest ទៅៈ:

a. Reciprocal arm

b. Retentive Clasp Arm

c. Minor Connector

d. Retentive terminale

37 / 60

Rigid metal retention is associated with:

a. The need for excellent esthetics

b. A class IV RPD

c. All are correct

d. A dual path of insertion

38 / 60

Considering the design of an RPD for the mandibular arch:

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

b. A dual path of insertion should be considered

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

d. Retentive clasps are required next to each edentulous space

39 / 60

Full palatal plate:

a. Minimum tissue support

b. Maximum tissue support , connector long distal extension cases, six or less anterior teeth remain

c. Six or less anterior teeth remain

d. Six or more anterior teeth remain

e. Connector of choice in short distal extension cases

40 / 60

Minor Connector តភ្ជាប់តួ Body ទៅនឹងៈ:

a. គំរោង

b. Retentive Claps arm

c. Retentive terminal

d. Rest

41 / 60

Tripod of dental surveyor is the method used:

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

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

c. Determine the undercut areas on the tooth

d. For giving clasp assemblies at 3 points

42 / 60

Functions of guiding planes are:

a. They make all the teeth parallel to each other

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

c. Ensuring definite path of placement

d. Ensure predictable clasp retention

43 / 60

An anterior posterior palatal strap major connector is less rigid than a horseshoe major connector because it (the AP strap) has less width:

a. The first statement is false and the reason is also false

b. The first statement is false but the reason is true

c. The first statement is true but the reason is false

d. The first statement is true and the reason is true

44 / 60

Tissue stops are useful in:

a. Stops the tissue impingement by tray

b. Stabilizing framework during processing and Stops the tissue impingement by tray

c. Engaging buccal slope of the residual ridge

d. Stabilizing framework during processing

45 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. អោយហួសចំណុះធ្មេញ 2 ឬ 3 ដែលនៅសល់

b. កុំអោយធ្មេញដែលនៅសល់ 2 ឬ 3 ហួសចំណុះ

c. អោយធ្មេញនៅសល់ 2 ឬ 3 រង្គើ

d. អោយធ្មេញនៅសល់ 2 ឬ 3 ឈឺ

46 / 60

Approach Arm:

a. ផ្នែកផ្តេកនៃ Bar Clasp

b. ទាំង 3ខាងលើត្រូវ

c. ផ្នែកបញ្ឈរនៃ Bar Clasp

d. ផ្នែកបញ្ឆៀងនៃ Bar Clasp

47 / 60

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

a. Depend on design tray

b. Depend on secondary impression

c. Esthetic considerations

d. Depend on impression

48 / 60

Retentive terminal ស្ថិតនៅ:

a. Terminal third

b. Middle third

c. Proximal third

d. ទាំង 3ខាងលើត្រូវ

49 / 60

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

a. Covers the tuberosity

b. Does not require substantial inter arch space

c. Does not cover the tuberosity

d. Covers the hamular notch

50 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចូល

b. ធ្លាក់ចុះ

c. ទ្រេតចេញ

d. មានលំនឹង

51 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Retentive arm

b. Rest

c. Terminal arm

d. Shoulder

52 / 60

Mandibular gridwork design of minor connectors:

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

b. maximum bulk of the acrylic resin

c. prevents thin, edges fracturing

d. extend fully to the hamular notch

53 / 60

Distal extension RPD is :

a. tissue borne

b. class IV condition

c. both tissue and tooth borne

d. class III condition

54 / 60

Guiding planes may be contacted by following parts of partial denture, except:

a. Minor connector of indirect retainer

b. Minor connector of denture base

c. Body of extracoronal direct retainer

d. Stabilizing arm direct retainer

55 / 60

When a survey line is high:

a. Circumferential clasp cannot be designed

b. Bar clasp cannot be given

c. A bar clasp can be given

d. A circumferential clasp can be given

56 / 60

Physiologic adjustment of the framework is related to:

a. Adjustment of the framework to the teeth

b. The classification of kennedy

c. Internal finish line

d. The residual ridge and teeth

57 / 60

Functions of a Major connector:

a. unification, stress distribution, cross arch stabilization

b. kind of metal chrome cobalt

c. component of RPD connect to acrylic resin

d. functions as one unit

58 / 60

ទិសដៅនៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. សុខភាពល្អ

b. ទំពារអាហារពុំបានស្រួល

c. និយាយមិនច្បាស់

d. ដាក់ទៅនាំអោយមានជាតិពុលក្នុងខ្លួន

59 / 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 link the major connector and other parts of the prosthesis together

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

60 / 60

Denture bases of removable partial denture offer:

a. Mechanical retention

b. Secondary retention

c. Primary retention

d. Primary and mechanical retention

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត