Partial Denture I Test

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1 / 60

Retainer:

a. ប្រដាប់ដាក់បង្កប់នៅក្នុងជាតិនីឡុងធ្មេញ

b. ប្រដាប់ដែលដាក់លើធ្មេញដែលដកចេញ

c. ប្រដាប់ដាក់លើធ្មេញដែលកប់ក្នុងឆ្អឹង

d. ប្រដាប់ដាក់ភ្ជាប់ទៅនឹងធ្មេញជន្ទល់

2 / 60

Distal extension RPD is :

a. class III condition

b. class IV condition

c. tissue borne

d. both tissue and tooth borne

3 / 60

Direct retainer (clasps):

a. help stabilize the RPD by controlling occlusal movement

b. may also function as indirect retainers

c. help stabilize the RPD by controlling gingival movement

d. prevent excessive biting forces on the abutment

4 / 60

Physiologic adjustment of the framework is related to:

a. The residual ridge and teeth

b. The classification of kennedy

c. Adjustment of the framework to the teeth

d. Internal finish line

5 / 60

The Gridwork of Minor Connector on a maxillary class 1 RPD:

a. covers the crest and tuberosity

b. does not cover the tuberosity

c. covers the tuberosity

d. covers the hamular notch

6 / 60

Physiologic adjustment of the framework is related to:

a. The axis of rotation

b. External finish line

c. The number of abutments

d. The areas of edentulous space

7 / 60

Anterior posterior palatal strap especially use is:

a. use in most cases

b. maximum rigidity

c. minimum bulk

d. torus palatal

8 / 60

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

a. It gives excellent attachment

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

c. It gives excellent attachment while minimizing warping resin bases

d. Gives bulk to the minor connector

9 / 60

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

a. Proximal plates

b. Retentive tip

c. Rests

d. Minor connector supporting rests

10 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan de francfort

b. Plan de camper

c. Plan frontal

d. Plan sagittal médian

11 / 60

For indirect retainer to be effective, most important factor is:

a. Principal occlusal rest on direct retainer should be firm on the rest seats

b. The approach arm should be most flexible

c. It should lie in a flat plane

d. It should cross marginal gingival 90 degrees

12 / 60

Acrylic resin bases is :

a. esthetics

b. most common type

c. ease of repair

d. all are corrected

13 / 60

What are the indications for a linguo plate as a major connector for a mandibular RPD?:

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

b. Present lingual tori and big tongue

c. Present high floor of the mouth and facially anterior teeth

d. Present high lingual frenum and buccally anterior teeth

14 / 60

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

a. Is a lingual bar and its superior border is too close to the free gingival margins

b. Is a lingual bar and the placement of the superior border of the lingual bar is of no importance to the soft tissues

c. Is a lingual bar and its superior border is placed correctly

d. Is a lingual bar too short and too close the free gingival margins

15 / 60

Intracoronal retainer mechanism is:

a. Engaging the undercut intracoronally

b. Dimpling

c. Frictional resistance

d. Any of the above

16 / 60

Edentulous Space គឺកន្លែងធ្មេញដែល :

a. កំពុងប្រើប្រាស់

b. នៅសល់

c. ដុះខុសជួរ

d. យកចេញ

17 / 60

Reciprocal Arm ផ្តល់ទម្រ:

a. បញ្ឆិតអោយធ្មេញសិប្បនិម្មិត

b. ផ្អៀងអោយធ្មេញសិប្បនិម្មិត

c. បញ្ឈរអោយធ្មេញសិប្បនិម្មិត

d. ផ្តេកអោយធ្មេញសិប្បនិម្មិត

18 / 60

Interproximal occlusal rest seats:

a. All are corrects

b. Do not avoid wedging effect by framework

c. Extend far lingually

d. Violate contact points

19 / 60

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

a. Covers the crest and tuberosity

b. Covers the tuberosity

c. Does not cover the tuberosity

d. Covers the hamular notch

20 / 60

Tripod of dental surveyor is the method used:

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

b. For giving clasp assemblies at 3 points

c. Determine the undercut areas on the tooth

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

21 / 60

The external finish lines on this framework are:

a. too deep or over contoured

b. Would allow for acrylic and metal

c. Correct

d. Indistinct

22 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចូល

b. មានលំនឹង

c. ធ្លាក់ចុះ

d. ទ្រេតចេញ

23 / 60

A cingulum rest should be placed:

a. on the disto incisal edges of the incisor teeth

b. above the middle third of the incisor teeth

c. between the occlusal and middle thirds of the incisors teeth

d. at the junction of the gingival and middle thirds of the incisor teeth

24 / 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 framework metal and denture base plastic

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

25 / 60

Multiple clasps are jointed at:

a. Tip of reciprocal terminals

b. Back of the minor connector

c. Tip of retentive terminals

d. Back of the occlusal rests

26 / 60

Tissue stops in impression tray aids in :

a. proper retention

b. anterior- posterior stabilization

c. stronger impression tray

d. better acrylic flow

27 / 60

Major Connector ធ្វើអោយៈ:

a. ធ្វើអោយមានពកសាច់ក្រអូម

b. មានសភាពសុខស្រួលនៅក្នុងមាត់

c. ក្រអូមទន់រយាក

d. មានដំបៅលើសាច់ក្រអូម

28 / 60

The minor connector that contacts the guiding plane:

a. No change in thickness buccolingually

b. Is thicker lingually than buccally

c. Has the same contour as guiding plane and Is thicker lingually than buccally

d. Has the same contour as guiding plane

29 / 60

A jaw which is moving in a ”left or right” motion would be called what type of movement:

a. lateral protrusion

b. lateral pure hinge

c. lateral

d. horizontally protrusive

30 / 60

The function of minor connector is :

a. connects major connector to all the components of RPD

b. allows a single path of placement of the RPD

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

d. presents gingival displacement of RPD

31 / 60

Major Connector គឺផ្នែកនៃគំរោងដែលតាំងនៅ :

a. សងខាងក្រអូម

b. ម្ខាងនៃក្រអូម

c. សងខាងក្រអូម

32 / 60

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

a. Indirect retainers

b. Guide planes

c. Major connector

d. Direct retainers

33 / 60

In a circumferential clasp assembly, the arms may extend into an undercut:

a. The reciprocating arm and retentive arm

b. The retentive arm

c. The bracing arm

d. The bracing arm and retentive arm

34 / 60

An ideal design a major connector should possess the following qualities:

a. Cross Arch stabilization

b. Rigidity

c. Unification

d. All are correct

e. Stress distribution

35 / 60

The superior border of linqual bar should be:

a. At least 4 mm below the gingival margin

b. Deep in the linqual sulcus

c. At the cingulum of anterior teeth

d. At least 7 mm below the gingival margin

36 / 60

Bar Clasp វាមាន:

a. សោភ័ណភាព

b. មិនសូវល្អមើល

c. រាងធំខុសធម្មតា

d. រាងក្រងិកក្រង៉ក់

37 / 60

Reciprocal clasp arm of RPD should be:

a. Direct contact

b. Vertical force

c. Horizontal force

d. Lied above high of contour

38 / 60

Limitations to use of internal attachment are following except:

a. Cost of the prosthesis

b. Availability

c. Clinical crown short

d. Size of the pulp

39 / 60

Following are true for distal extension denture base RPD except:

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

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

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

d. Metal denture bases can be used

40 / 60

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

a. loss of taste sensation

b. distortion under occlusal stress

c. poor dissipation of force due to rigidity

d. difficulty in pressing the food backward and swallowing

41 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Denture Base

b. Pontic

c. Major Connector

d. Rest

42 / 60

Which of the following clasps commonly utilize lingual undercut?:

a. Extended arm clasp

b. Ring clasp

c. Embrasure clasp

d. Back action clasp

43 / 60

Indirect retainer:

a. prevents displacement of RPD

b. assists direct retainer

c. maintains all of the above

d. resists lever action

44 / 60

All of the following clasps are infrabulge clasps except:

a. Aker clasp

b. Roach clasp

c. Modified T bar

d. I bar

45 / 60

Reciprocal Arm អាចតទល់នឹងចលនាៈ:

a. ខ្វែង

b. ផ្តេក

c. ផ្អៀង

d. បញ្ឈរ

46 / 60

What are the functions of an indirect retainer:

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

b. To prevent horizontal 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 link the major connector and other parts of the prosthesis together

47 / 60

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

a. Retentive tip

b. Minor connector supporting rests

c. Proximal plates

d. Rests

48 / 60

When a minor connector contacts tooth surface on either side of embrasure, it should:

a. Be sharply angled

b. All of the above are true

c. Abruptly end at the tooth

d. Not have space between it and the tooth

49 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from clasps (direct retainer)

b. Mechanical retention from minor connectors

c. Mechanical retention from grid work

d. Mechanical retention from major connector

50 / 60

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

a. All metal base

b. All plastic base

c. Mesh type

d. Open lattice type

51 / 60

ទំពក់ Circlet:

a. ពិបាកពត់ឡើងចុះ

b. ពិបាកដាក់លើធ្មេញជន្ទល់

c. ពិបាកធ្វើគំរោង

d. ស្រួលធ្វើគំរោង

52 / 60

The external finish line on a maxillary class I RPD originates from the lingual of the guide plane of the terminal abutment and ends:

a. In the glenoid fossa

b. Opposite the buccal pouch

c. Opposite stenon’s duct

d. At the hamular notch

53 / 60

Lingual plating should be supported :

a. with the rests

b. with bracing arms

c. with minor connector

d. by the inclined surfaces of the mandibular incisors

54 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #35, 36 #46:

a. Kennedy class II mod. I

b. Kennedy class III mod. I

c. Kennedy class IV mod. I

d. Kennedy class III

55 / 60

Modification spaces are :

a. additional space in class IV

b. spaces anterior to all teeth

c. spaces posterior to all teeth

d. spaces other than the original class

56 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. នៅផ្នែកខាងក្រោយតែម្ខាង

b. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

c. នៅផ្នែកខាងក្រោយបង្អស់

d. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

57 / 60

Prosthesis:

a. ធ្មេញធម្មជាតិសម្រាប់ទំពារអាហារ

b. ធ្មេញធម្មជាតិនៅទំនេរ

c. ធ្មេញធម្មជាតិសម្រាប់ពាក់ទំពក់

d. ធ្មេញសិប្បនិម្មិតផ្លាស់ថ្មី

58 / 60

Rest អាចសណ្តូកលើផ្ទៃ:

a. Vestibulaire

b. ខាង Mésial

c. Distale

d. Occlusal

59 / 60

During biting a maxillary class I RPD with rotate around a line determined by the rigid metal above the survey line and closed to the extension areas This line is called:

a. Axis of rotation

b. Dual path line

c. Frankfurt line

d. Camper’s line

60 / 60

In Kennedy’s classification, the least common arch is :

a. class II

b. class I

c. class III

d. class IV

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត