Partial Denture I Test

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1 / 60

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

a. Preserve what remains and restore what is missing

b. Replace the missing teeth

c. Reshape rotated teeth

d. Improve the path of insertion

2 / 60

Physiologic adjustment of the framework is related to:

a. External finish line

b. The areas of edentulous space

c. The number of abutments

d. The axis of rotation

3 / 60

An ideal clasp assembly should possess the following quality:

a. Elasticity

b. Kind of metal

c. Reciprocation

d. Weight of metal

4 / 60

The junction of mandibular minor connector with major connector is :

a. butt joint

b. ball and socket joint

c. there is no joint

d. acrylic forms the joint

5 / 60

Incisal rests should generally not used on maxillary incisors Why?:

a. for mandibular class 4 kennedy only

b. for maxillary class 4 kennedy only

c. for maxillary and mandibular class 1 and 2 kennedy

d. poor esthetics and interferences with opposing occlusion

6 / 60

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

a. The bracing arm and retentive arm

b. The reciprocating arm and retentive arm

c. The bracing arm

d. The retentive arm

7 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Mesiale

b. Face Vestibulaire

c. Face Distale

d. Face occlusale

8 / 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

9 / 60

Approach arm រត់តាមបណ្តោយសាច់ mucosa ហើយ តភ្ជាប់ជាមួយៈ:

a. Reciprocal arm

b. Retentive clasp arm

c. Body retentive terminal

d. Retentive Terminal

10 / 60

Abutment:

a. ធ្មេញធម្មជាតិនៅមាន

b. ធ្មេញផ្លាស់ថ្មី

c. ធ្មេញធម្មជាតិសំរាប់ពាក់ទំពក់

d. ធ្មេញធម្មជាតិសំរាប់ទំពារអាហារ

11 / 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

12 / 60

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

a. Depend on impression

b. Esthetic considerations

c. Depend on design tray

d. Depend on secondary impression

13 / 60

Atmosphéric Pressure:

a. សម្ពាធក្នុងធំជាងសម្ពាធក្រៅ

b. សម្ពាធក្នុងមាន សម្ពាធក្រៅគ្មាន

c. សម្ពាធក្រៅធំជាងសម្ពាធក្នុង

d. សម្ពាធក្នុងស្មើនឹងសម្ពាធក្រៅ

14 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan frontal

b. Plan sagittal médian

c. Plan de francfort

d. Plan de camper

15 / 60

The support for a RPD is usually :

a. tooth support

b. tooth and mucosa support

c. mucosa support

d. occlusal rest support

16 / 60

Which of the following steps is done LAST ?:

a. Framework try in

b. Altered cast impression

c. Rest preparation

d. Centric relation records

17 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីអោយធ្មេញនៅសល់ៈ:

a. ដុះលូតឡើង

b. ស្រុតចុះក្រោម

c. ទ្រេតខុសជួរ

d. តាមកំរិតដើម

18 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from clasps (direct retainer)

b. Mechanical retention from major connector

c. Mechanical retention from minor connectors

d. Mechanical retention from grid work

19 / 60

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

a. Do not place a rest on this tooth

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

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

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

20 / 60

The function of the guide plate is to:

a. Provide contact with the adjacent tooth

b. Help establish a definitive path of insertion/ dislodgement

c. Stabilize the RPD by controlling its horizontal position

d. All are correct

21 / 60

An ideal design framework of RPD should be:

a. Locate the height of contour

b. All are correct

c. Determine the path of insertion

d. Locate retention areas

e. As guiding planes

22 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Inferior

b. Centre

c. Buccal side

d. Lingual side

23 / 60

Retentive Arm វាអាច:

a. សង្កត់ឡើងចុះបាន

b. ទន់

c. មិនអាចបត់បែនបាន

d. បត់បែនបាន

24 / 60

Anterior posterior palatal strap especially use is:

a. maximum rigidity

b. use in most cases

c. torus palatal

d. minimum bulk

25 / 60

The minor connector that contacts the guiding plane:

a. Has the same contour as guiding plane

b. Is thicker lingually than buccally

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

d. No change in thickness buccolingually

26 / 60

Advantage of internal occlusal rest are following except:

a. Provides support and stabilization

b. Provide retention

c. Eliminates visible clasp arm

d. Rest seat is located in a more favorable position

27 / 60

Rest:

a. is placed on rest seat always

b. mainly offers stability

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

d. need not have rest seat

28 / 60

Stability is mainly against:

a. functional forces

b. horizontal forces and functional forces

c. horizontal forces

d. forces against removal of prosthesis

29 / 60

Bar Clasp គេប្រើទៅលើ :

a. Class IV

b. Class II

c. Class III

d. Class I

30 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ដែក

b. ជាតិនីឡុង

c. ជាតិ Plastic

d. ក្រមួន

31 / 60

Retentive arm:

a. រឹងខ្លាំងពត់មិនកើត

b. ទាំង3ខាងលើត្រូវ

c. ត្រូវតែពត់តាមកំពស់រង្វង់ធ្មេញ

d. មិនអាចបត់បែនបានតាមកំពស់រង្វង់ធ្មេញ

32 / 60

A cingulum rest should be placed:

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

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

c. on the disto incisal edges of the incisor teeth

d. above the middle third of the incisor teeth

33 / 60

The goal of extension of RPD framework should be:

a. Tissues adaptation

b. All are correct

c. Stability framework

d. Function, Occlusion

34 / 60

The superior border of this major connector:

a. is too low

b. Is not acceptably adapted to the teeth

c. is too small

d. Is correctly adapted to the teeth

35 / 60

Modification spaces are :

a. spaces other than the original class

b. spaces posterior to all teeth

c. spaces anterior to all teeth

d. additional space in class IV

36 / 60

Most apical portion of a cingulum rest is:

a. Floor of the preparation

b. Distal corner

c. Mesial corner

d. Apex of the preparation

37 / 60

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

a. Covers the tuberosity

b. Covers the hamular notch

c. Does not require substantial inter arch space

d. Does not cover the tuberosity

38 / 60

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

a. 2mm

b. 3mm

c. 1.5mm

d. 1mm

39 / 60

A continuous bar is otherwise known as:

a. cingulum bar

b. kennedy bar

c. linguoplate

d. kennedy bar and cingulum bar

40 / 60

Metal bases use :

a. big edentulous space

b. for posterior edentulous space

c. for anterior edentulous space

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

41 / 60

A clasp most common use is?:

a. Ring clasp

b. Embrasure

c. Back action clasp

d. Aker clasp

42 / 60

Physiologic adjustment of the framework:

a. Is usually done at delivery of the RPD

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

c. Is usually done at the records appointment

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

43 / 60

Non-retentive clasp arm is best placed at the:

a. Between occlusal and middle third

b. Between middle and gingival third

c. Gingival third of the tooth

d. On the occlusal third

44 / 60

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

a. Efficient indirect retainer

b. Inefficiency of direct retainer

c. Need to reline the distal extension denture base

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

45 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Retentive arm

b. Terminal arm

c. Rest

d. Shoulder

46 / 60

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

a. increased caries activity

b. corrosion of the metal the framework

c. whitening acrylic resin and artificial teeth

d. increased periodontal problems

47 / 60

សាច់ដុំ Depression or opening of the mouth:

a. Temporal

b. External Pterygoids

c. Masseter

d. Internal Pterygoids

48 / 60

Ring Clasp អាចទប់នឹង:

a. កំលាំងផ្តេក

b. ទាំង 3ខាងលើត្រូវ

c. មិនអាចទប់នឹងទំងន់ផ្តេក

d. កំលាំងបណ្តោយតាមមុខទំពារ

49 / 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

50 / 60

Cohésion គឺជាទំនាញ Molécule:

a. 2 ខុសគ្នា

b. 4 ដូចគ្នា

c. 3 ខុសគ្នា

d. 1 ដូចគ្នា

51 / 60

Tripoding is the method used:

a. To have reproducible position of the cast on the surveyor

b. To determine the areas on the tooth where the gingivally approaching clasp, occlusal rest of the reciprocal arm are going to placed

c. For giving clasp assemblies at 3 points

d. For recording the relation of the cast to the surveyor

52 / 60

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

a. Stress distribution

b. Rigidity

c. Unification

d. Cross Arch stabilization

e. All are correct

53 / 60

ទិសដៅធ្មេញដាក់ដោះមួយផ្នែក :

a. ថែរក្សាធ្មេញ និង ជាលិកាដែលត្រូវដាក់ធ្មេញ

b. ថែរក្សាធ្មេញ និងជាលិកាដែលដកធ្មេញរួច

c. ថែរក្សាអញ្ចាញ និងជាលិកាផ្សេងៗ

d. ថែរក្សាឆ្អឹង និង ជាលិកាផ្សេងៗ

54 / 60

Component of a clasp assembly are:

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

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

55 / 60

Advantage of palatal strap :

a. more economical and comfortable to the patient

b. can be used in Kennedy class I partial dentures

c. increased rigidity with less bulk

d. increased retention of appliance

56 / 60

Impression:

a. គន្លងនៅលើពុម្ពធ្មេញ

b. ក្រឡុកនៅលើពុម្ពធ្មេញ

c. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

d. ក្រហែងនៅលើពុម្ពធ្មេញ

57 / 60

Limitations to use of internal attachment are following except:

a. Availability

b. Size of the pulp

c. Clinical crown short

d. Cost of the prosthesis

58 / 60

Major Connector គឺផ្នែកនៃគំរោងដែលតាំងនៅ :

a. សងខាងក្រអូម

b. ម្ខាងនៃក្រអូម

c. សងខាងក្រអូម

59 / 60

A lingual plate major connector may be selected be cause:

a. there are mandibular tori present

b. there is a high lingual frenum

c. the mandibular incisors are tilted lingually

d. All are correct

60 / 60

Mandibular gridwork design of minor connectors:

a. prevents thin, edges fracturing

b. extend fully to the hamular notch

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

d. maximum bulk of the acrylic resin

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត