Partial Denture I Test

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1 / 60

The superior border of linqual bar should be:

a. At least 7 mm below the gingival margin

b. At least 4 mm below the gingival margin

c. Deep in the linqual sulcus

d. At the cingulum of anterior teeth

2 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Tapering

b. Ovoid

c. Triangular

d. Square

3 / 60

Classification of lever system is based on location of:

a. Direction of effort

b. Are all corrected

c. Resistance

d. Fulcrum line

4 / 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. Retentive clasps are required next to each edentulous space

d. Dual path of insertion should be considered

5 / 60

The mandibular distal extension RPD extends up to :

a. just behind abutment

b. full length of retromolar pad

c. anterior one third length of retro –molar pad

d. anterior 2/3 of retro-molar pad

6 / 60

Lingual bar is used in conditions where :

a. when abutment teeth have poor bony support

b. lingual sulcus is shallow

c. lingual sulcus is deep

d. when splinting of adjacent teeth is required

7 / 60

Component of a clasp assembly are:

a. One or two rests, a retentive arm, a bracing or reciprocating element, one minor connectors, one major connector

b. One rest, a retentive arm , a bracing or reciprocating element, one minor connector

c. One minor connector, one major connector, one rest, two rests, one retentive arm, one bracing arm

d. Two minor connectors, one major connector , one rest, one retentive arm, one bracing or reciprocating element

8 / 60

Finishing line junction with major connector should have angle:

a. =90 degrees

b. < =90 degrees

c. > 90 degree

d. > =90 degrees

9 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Centre

b. Buccal side

c. Lingual side

d. Inferior

10 / 60

Ring Clasp:

a. មិនអាចទប់នឹងកំលាំងបង្វិល

b. អាចទប់នឹងកំលាំងបង្វិល

c. អាចទប់នឹងកំលាំងបណ្តោយ

d. ទាំង 3 ខាងលើត្រូវ

11 / 60

Retentive Arm វាអាច:

a. មិនអាចបត់បែនបាន

b. បត់បែនបាន

c. ទន់

d. សង្កត់ឡើងចុះបាន

12 / 60

Mandibular gridwork design of minor connectors:

a. prevents thin, edges fracturing

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

c. maximum bulk of the acrylic resin

d. extend fully to the hamular notch

13 / 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. Marginal ridge should be reduced by 25 mm

d. The outline to have greater width than length

14 / 60

In general, lingual plating should be supported:

a. With rests

b. With bracing arms

c. By the inclined surfaces of the mandibular incisors

d. With minor connectors

15 / 60

A mandibular movement which is<< either opening or closing motions of the mandible around a horizontal axis that is common to both condyles >> would be best classified as a…………movement:

a. lateral

b. hinge

c. translatory excursion

d. centric relation

16 / 60

Mesh type of grid work minor connectors is:

a. Potentially more rigid

b. Struts are too thick

c. Potentially superior retention

d. Interferes with setting of teeth

17 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan de francfort

b. Plan frontal

c. Plan de camper

d. Plan sagittal médian

18 / 60

Reciprocal arm បើសិនជាធ្វើបានអោយស្របនឹងៈ:

a. បន្ទាត់ចូល

b. ទាំង 3ខាងលើត្រូវ

c. ទិសដែលមិនអាចដាក់ចូល

d. ទិសប្រឆាំងនឹងបន្ទាត់ខ្វែង

19 / 60

According to the Kennedy’s classification, the posterior unilateral edentulous space is :

a. class I situation

b. class III situation

c. class IV situation

d. class II situation

20 / 60

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

a. keeping minimum of 6 mm distance for major connector

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

c. keeping minimum of 4 mm distance for major connector

d. minor connectors joining major connector at <90>

21 / 60

A combination clasp assembly generally has:

a. a retentive arm ,rests and indirect retainer

b. rests, a retentive arm and proximal plate

c. rests , a bracing arm and proximal plate

d. a bracing arm , a retentive arm and rests

22 / 60

Tissue stops are useful in:

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

b. Stabilizing framework during processing

c. Stops the tissue impingement by tray

d. Engaging buccal slope of the residual ridge

23 / 60

ទិសដៅនៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ទៅនាំអោយមានជាតិពុលក្នុងខ្លួន

b. សុខភាពល្អ

c. និយាយមិនច្បាស់

d. ទំពារអាហារពុំបានស្រួល

24 / 60

The reduced thickness of minor connector contact guiding plane buccally:

a. Helps in stability

b. Prevents food trap more efficiently

c. Helps in more resistance to forces

d. Helps to abut the artificial tooth more closely to natural tooth

25 / 60

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

a. Proximal plates

b. Minor connector supporting rests

c. Rests

d. Retentive tip

26 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Vestibulaire

b. Face Mesiale

c. Face Distale

d. Face occlusale

27 / 60

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

a. Giving canine rest seat

b. Intrusion of abutment

c. Flow of amalgam underneath restorations

d. Improper rest design

28 / 60

Major Connector ជាស្ពានៈ:

a. មិនសូវសំខាន់

b. បន្ទាប់បន្សំ

c. មិនសូវមាំ

d. សំខាន់

29 / 60

Following factors increase effectiveness of indirect retainer, except:

a. Supporting tooth surface

b. Quality of direct retainer

c. Increased flexibility of minor connector used

d. Distance from fulcrum line

30 / 60

The best clasp assembly for a terminal abutment on a mandibular class I RPD is:

a. Distal and mesial rests

b. Distal and mesial rests half and half clasp

c. Mesial rest and I- bar clasp

d. Mesial rest and back action clasp

31 / 60

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

a. none applies

b. it is considered important for classification

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

d. it may or may not be considered

32 / 60

Stability is mainly against:

a. horizontal forces

b. forces against removal of prosthesis

c. functional forces

d. horizontal forces and functional forces

33 / 60

A distal extension partial denture receives its support :

a. equally from abutments and the residual ridges

b. mostly from residual ridge

c. from terminal abutments

d. exclusively from residual ridge

34 / 60

ទិសដៅនៃធ្មេញដាក់នោះ មួយផ្នែកដើម្បីសំឡេងៈ:

a. ស្រួយពេក

b. ច្បាស់ល្អ

c. គ្រលពេក

d. និយាយមិនសូវច្បាស់ល្អ

35 / 60

Approach arm វាចូលដល់ Undercut តាមរយៈ :

a. កធ្មេញ

b. មុខ Mesial

c. មុខ Distal

d. មុខទំពារ

36 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយប្រសើរនូវៈ:

a. បៀមអាហារ

b. ទំពារអាហារ

c. ទាំង 3ខាងលើត្រូវ

d. ការលេបអាហារ

37 / 60

Full palatal plate:

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

b. Six or more anterior teeth remain

c. Connector of choice in short distal extension cases

d. Minimum tissue support

e. Six or less anterior teeth remain

38 / 60

Following are true for distal extension denture base RPD except:

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

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

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

d. Metal denture bases can be used

39 / 60

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

a. It should lie in a flat plane

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

c. It should cross marginal gingival 90 degrees

d. The approach arm should be most flexible

40 / 60

Metal bases use :

a. for anterior edentulous space

b. big edentulous space

c. small edentulous space (no room for grid work)

d. for posterior edentulous space

41 / 60

Intracoronal retainer mechanism is:

a. Engaging the undercut intracoronally

b. Frictional resistance

c. Dimpling

d. Any of the above

42 / 60

Stability:

a. ក្រាសធ្មេញដាក់លើក្រអូម

b. ក្រាសធ្មេញដាក់លើក្រអូមរលុង

c. ក្រាសធ្មេញដាក់លើក្រអូមបណ្តាលអោយឈឺសាច់

d. ក្រាសធ្មេញដាក់លើក្រអូមណែន និងមិនរំជួល

43 / 60

Shoulder សន្តូកលើៈ:

a. បន្ទាត់ស្ទង់

b. Face Occulsale

c. Distale

d. Face Mésial

44 / 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 removable partial denture.

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

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

45 / 60

La relation centrée les condyles នៅក្នុងៈ:

a. Cavité Glénoide

b. Capsule

c. Ménisque

d. Ligament

46 / 60

Fixed Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតហើយដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដល់គ្នាដោះបាន

47 / 60

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

a. Indirect retainer

b. Internal occlusal rest

c. Occlusal rest

d. Interproximal occlusal rest

48 / 60

Tripod of dental surveyor is the method used:

a. For giving clasp assemblies at 3 points

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

c. Determine the undercut areas on the tooth

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

49 / 60

A lingual plate major connector may be selected be cause

a. the mandibular incisors are tilted lingually ,high floor of the mouth, high lingual frenum

b. the mandibular incisors are tilted lingually, mandibular tori present, high lingual frenum

c. the mandibular incisors are tilted facially, mandibular tori present ,high lingual fremum

d. the mandibular incisors are tilted facially, high floor of the mouth

50 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែក ដើម្បីជួយការពារធ្មេញដែលនៅសល់ :

a. អោយរឹងណែនដដែល – កុំអោយរង្គើ

b. អោយរង្គើ

c. អោយខុសជួរ

d. កុំអោយរង្គើ

e. អោយរឹងណែនដដែល

51 / 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 stenon’s duct

c. At the hamular notch

d. Opposite the buccal pouch

52 / 60

Rest នៅមុខខាំកាត់ incisal :

a. គេដាក់លើ Incisal មើលទៅឃើញស្អាត

b. គេប្រើជាទូទៅ

c. គេចូលចិត្តប្រើ

d. គេមិនសូវប្រើ

53 / 60

Interproximal occlusal rest seats:

a. Extend far lingually

b. Violate contact points

c. All are corrects

d. Do not avoid wedging effect by framework

54 / 60

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

a. Moving border tissues

b. Gravity

c. Pull of food

d. Mastication

55 / 60

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

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

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

c. Retruded contact, the tongue touches the palate

d. Centric occlusion, the tongue touches the palate

56 / 60

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

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

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

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

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

57 / 60

Most apical portion of a cingulum rest is:

a. Mesial corner

b. Floor of the preparation

c. Distal corner

d. Apex of the preparation

58 / 60

Shoulder ភ្ជាប់ពី Body ទៅៈ:

a. Rest

b. Clasp terminal

c. Minor Connector

d. queues

59 / 60

Rest អាចៈ:

a. អោយជាលិកាទន់នៅដដែល

b. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

c. អោយជាលិការហែក

d. សង្កត់លើជាលិកាទន់ឈឺ

60 / 60

Retentive arm នៅ:

a. ចំណុចប៉ះមុខ Mesiale នៃធ្មេញជន្ទល់

b. ពក Vestibulaire នៃធ្មេញជន្ទល់

c. ត្រង់ Undercut នៃធ្មេញជន្ទល់

d. ពក Linguale នៃធ្មេញជន្ទល់

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត