Partial Denture I Test

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1 / 60

The basic movement of mandible:

a. hinge ,lateral and translatory movement

b. translatory movement

c. lateral movement

d. hinge movement

2 / 60

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

a. Depend on edentulous areas

b. Depend on infrabulge and suprabulge

c. Undercuts for direct retainer

d. None of above

3 / 60

In general, lingual plating should be supported:

a. With rests

b. By the inclined surfaces of the mandibular incisors

c. With minor connectors

d. With bracing arms

4 / 60

Rest នៅផ្នែក Cingulum គេប្រើៈ:

a. នៅថ្គាមលើ

b. នៅធ្មេញចង្កូមលើ

c. នៅធ្មេញមុខលើ

d. នៅថ្គាមតូចលើ

5 / 60

Difference between internal occlusal rest and internal attachment is that:

a. Internal attachment also provides retention

b. Internal attachment also provides support

c. Internal attachment rest also provides retention

d. Internal attachment rest also provides stabilization

6 / 60

Modification spaces are :

a. spaces anterior to all teeth

b. additional space in class IV

c. spaces posterior to all teeth

d. spaces other than the original class

7 / 60

RPI system is indicated:

a. Where bar clasp is indicated and Where there is no buccal or lingual tilt of abutment

b. Where bar clasp is indicated

c. Where there is no buccal or lingual tilt of abutment

d. When undercut is located at the gingival third of tooth away from edentulous area

8 / 60

Following structure of RPD gives both occlusal support and horizontal stabilization:

a. Interproximal occlusal rest

b. Indirect retainer

c. Internal occlusal rest

d. Occlusal rest

9 / 60

Abutment:

a. ធ្មេញធម្មជាតិនៅមាន

b. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

c. ធ្មេញផ្លាស់ថ្មី

d. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

10 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ជាតិ Plastic

b. ជាតិនីឡុង

c. ដែក

d. ក្រមួន

11 / 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

12 / 60

Limitations to use of internal attachment are following except:

a. Clinical crown short

b. Availability

c. Size of the pulp

d. Cost of the prosthesis

13 / 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. Present high floor of the mouth and facially anterior teeth

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

d. Present lingual tori and big tongue

14 / 60

Guiding plane are:

a. usually multiple

b. usually single

c. usually single and usually multiple

d. usually parallel

15 / 60

Acrylic resin bases is :

a. ease of repair

b. esthetics

c. most common type

d. all are corrected

16 / 60

Reciprocal arm បើសិនជាធ្វើបានអោយស្របនឹងៈ:

a. ទិសប្រឆាំងនឹងបន្ទាត់ខ្វែង

b. ទិសដែលមិនអាចដាក់ចូល

c. បន្ទាត់ចូល

d. ទាំង 3ខាងលើត្រូវ

17 / 60

The minimum thickness of resin that embeds the metal framework is:

a. 1mm

b. 3mm

c. 2mm

d. 1.5mm

18 / 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 true but the reason is false

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

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

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

19 / 60

When anterior teeth are to be replaced, the best path of placement that can be selected is:

a. Right lateral

b. Vertical

c. Horizontal

d. Antero-posterior

20 / 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

21 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Square

b. Ovoid

c. Triangular

d. Tapering

22 / 60

Rest:

a. is placed on rest seat always

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

c. mainly offers stability

d. need not have rest seat

23 / 60

La dimension vertical d’équilibre de repos នៅក្នុងមាត់ធ្មេញមុខមានចន្លោះ:

a. 2 à 3mm

b. 3 à 4mm

c. 1 à 2mm

d. 2 à 4mm

24 / 60

Minor connector may be :

a. of lattice work construction

b. of mesh work construction

c. bead or nail head construction

d. all are corrected

25 / 60

សមាសភាពនៃធ្មេញដាក់ដោះមួយផ្នែក :

a. Denture Base

b. Abutment Tooth

c. Ponctic

d. ទាំងបីខាងលើត្រូវ

e. Ponctic និង Denture Base

26 / 60

Edentulous Space គឺកន្លែងធ្មេញដែល :

a. ដុះខុសជួរ

b. យកចេញ

c. កំពុងប្រើប្រាស់

d. នៅសល់

27 / 60

Functions of guiding planes are:

a. Ensuring definite path of placement

b. They make all the teeth parallel to each other

c. Ensure predictable clasp retention

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

28 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan frontal

b. Plan de camper

c. Plan de francfort

d. Plan sagittal médian

29 / 60

Denture bases of RPD offer:

a. Primary retention

b. Primary retention and Mechanical retention

c. Secondary retention

d. Mechanical retention

30 / 60

Incisal rests:

a. may interfere with the opposing occlusion

b. a generally more positive vertical stops than cingulum rests

c. All are correct

d. should not be used on maxillary incisors

31 / 60

The condyle on the working side is called the working condyle, which is also known as the:

a. orbiting condyle

b. balancing condyle

c. translatory condyle

d. rotating condyle

32 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Denture Base

b. Major Connector

c. Pontic

d. Rest

33 / 60

Requirements of denture base minor connector are following, except:

a. It should have good bulk

b. Open enough to avoid weakening of attached acrylic

c. It should be free of interference for future adjustment

d. It should not interfere with tooth arrangement

34 / 60

Guiding planes which are not in the same parallel plane horizontally:

a. Enhance cross-arch resistance to horizontal rotation

b. Increase the food trap

c. Decrease cross-arch resistance to horizontal rotation

d. Decrease the stabilization

35 / 60

A clasp assembly should:

a. have a retentive arm that terminates in an undercut

b. All are correct

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

d. have elements that considered together provide 180 degree encirclement

36 / 60

Designing of a prosthesis requires following consideration:

a. Mechanical

b. Are all corrected

c. Biological

d. Esthetic

37 / 60

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

a. All are corrects

b. Slippage of prosthesis

c. More support for prosthesis

d. Orthodontic correction of the abutment

38 / 60

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

a. minor connectors

b. flexible plating

c. major connectors

d. retentive clasp arm

39 / 60

La dimension verticale d’occlusion ធ្មេញខាំប៉ះ :

a. តែម្ខាង

b. ខាងមុខ

c. ទាំងអស់

d. ខាងក្រោយ

40 / 60

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

a. Intrusion of abutment

b. Giving canine rest seat

c. Improper rest design

d. Flow of amalgam underneath restorations

41 / 60

Requirements of a Major connector:

a. connects various parts

b. partial denture acts as one unit

c. distributes functional loads to both teeth and mucosa

d. rigidity, non interference with tissues, minimize food impaction and unobtrusive

42 / 60

Physiologic adjustment of the framework is related to:

a. The rest and indirect retainer

b. The minor connector and natural teeth

c. Functional movement of the framework

d. The major connector and natural teeth

43 / 60

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

a. It is placed into mesiolingual embrasure

b. It should contact adjacent tooth also

c. It acts as a stabilizing component

d. It does not contact adjacent tooth

44 / 60

Sublingual bar is placed:

a. inferior and posterior to lingual bar

b. inferior and anterior to lingual bar

c. inferior to lingual bar and inferior and anterior to lingual bar

d. inferior to lingual bar

45 / 60

Tissue stops in impression tray aids in :

a. better acrylic flow

b. proper retention

c. anterior- posterior stabilization

d. stronger impression tray

46 / 60

Stability:

a. ក្រាសធ្មេញដាក់លើក្រអូមរលុង

b. ក្រាសធ្មេញដាក់លើក្រអូមណែន និងមិនរំជួល

c. ក្រាសធ្មេញដាក់លើក្រអូម

d. ក្រាសធ្មេញដាក់លើក្រអូមបណ្តាលអោយឈឺសាច់

47 / 60

The superior border of linqual bar should be:

a. At least 7 mm below the gingival margin

b. At the cingulum of anterior teeth

c. At least 4 mm below the gingival margin

d. Deep in the linqual sulcus

48 / 60

The external finish line is:

a. the external of framework metal and supporting tissues

b. the external of framework metal and denture base plastic

c. the external of framework metal and the natural teeth

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

49 / 60

Retention of RPD is obtained by:

a. Retaining elements and denture bases

b. Denture bases and minor connectors

c. Retaining elements, denture bases and Denture bases and minor connectors

d. Rests and rest seats

50 / 60

Reciprocal clasp arm of RPD should be:

a. Vertical force

b. Direct contact

c. Horizontal force

d. Lied above high of contour

51 / 60

The basic philosophy of dental treatment for a partially edentulous patient:

a. Preserve what remains and restore what is missing

b. Reshape rotated teeth

c. Improve the path of insertion

d. Replace the missing teeth

52 / 60

Reciprocal Arm អាចតទល់នឹងចលនាៈ:

a. បញ្ឈរ

b. ផ្តេក

c. ខ្វែង

d. ផ្អៀង

53 / 60

A tissue undercut may preclude the selection of:

a. A half and half clasp

b. A combination clasp

c. A suprabulge clasp

d. An infrabulge clasp

54 / 60

Method to determine height of floor of the mouth is:

a. use of straight probe

b. use of individualized impression tray

c. use of periodontal probe

d. use of periodontal probe and use of individualized impression tray

55 / 60

A general rule for rest placement on an abutment adjacent to an extension area is:

a. Place the rest on the occlusal surface adjacent to the extension area

b. Place the rest on the occlusal surface on the opposite side of the tooth from the extension area

c. Do not place a rest on this tooth

d. Place the rest on both the mesial and distal occlusal surfaces

56 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ទាំងបីខាងលើត្រូវ

b. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

c. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

d. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

57 / 60

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

a. Is to long occlusal gingivally

b. All are correct

c. Is missing an indirect retainer

d. Is too close to the free gingival margin

58 / 60

Advantage of internal occlusal rest are following except:

a. Rest seat is located in a more favorable position

b. Provides support and stabilization

c. Provide retention

d. Eliminates visible clasp arm

59 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. អោយហួសចំណុះធ្មេញ 2 ឬ 3 ដែលនៅសល់

b. អោយធ្មេញនៅសល់ 2 ឬ 3 ឈឺ

c. អោយធ្មេញនៅសល់ 2 ឬ 3 រង្គើ

d. កុំអោយធ្មេញដែលនៅសល់ 2 ឬ 3 ហួសចំណុះ

60 / 60

What are the functions of an indirect retainer:

a. to prevent vertical dislodgement of the distal extension base of removable partial denture.

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

c. to prevent horizontal dislodgement of the distal extension bases of removable partial denture.

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

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត