Partial Denture I Test

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1 / 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. centric relation

c. translatory excursion

d. hinge

2 / 60

A removable partial denture may be:

a. All tooth supported and tissues supported

b. All tissues supported

c. All tooth supported

d. Tooth and tissues supported

3 / 60

The superior border of this major connector:

a. Is correctly adapted to the teeth

b. is too low

c. Is not acceptably adapted to the teeth

d. is too small

4 / 60

Lingual bar is used in conditions where :

a. when abutment teeth have poor bony support

b. lingual sulcus is deep

c. lingual sulcus is shallow

d. when splinting of adjacent teeth is required

5 / 60

Direct Retainer:

a. ធ្វើអោយក្រាសធ្មេញវិល

b. ទប់កំលាំងធ្វើមិនអោយរបូត

c. ធ្វើអោយក្រាសធ្មេញគ្មានលំនឹង

d. ធ្វើអោយកំលាំងរបូតកាន់តែខ្លាំងឡើង

6 / 60

Rest នៅផ្នែក Cingulum គេប្រើៈ:

a. នៅធ្មេញមុខលើ

b. នៅថ្គាមលើ

c. នៅធ្មេញចង្កូមលើ

d. នៅថ្គាមតូចលើ

7 / 60

Factors influencing the support of a distal extension denture base by the residual ridge is :

a. occlusal load applied

b. Quality of the residual ridge

c. type and accuracy of the impression registration

d. ]all are corrected

8 / 60

Kennedy classification is determined by:

a. The most posterior tooth missing

b. The most anterior tooth missing

c. The largest tooth in the space

d. The first tooth to be lost

9 / 60

Bulkiest position of a proximal minor connector is towards its:

a. Inferior

b. Centre

c. Buccal side

d. Lingual side

10 / 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

11 / 60

Following are true for I bar clasp, except:

a. Whole arm of the clasp contacts abutment

b. No more than 2mm of its tip contacts abutment

c. Approach arm is located at least 4mm from gingival margin

d. It is located in the gingival third of buccal or labial surface

12 / 60

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

a. Orthodontic correction of the abutment

b. All are corrects

c. Slippage of prosthesis

d. More support for prosthesis

13 / 60

Retentive Arm វាអាច:

a. ទន់

b. មិនអាចបត់បែនបាន

c. សង្កត់ឡើងចុះបាន

d. បត់បែនបាន

14 / 60

Non-retentive clasp arm is best placed at the:

a. Between middle and gingival third

b. Gingival third of the tooth

c. Between occlusal and middle third

d. On the occlusal third

15 / 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. Gives bulk to the minor connector

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

d. It gives excellent attachment while minimizing warping resin bases

16 / 60

When designing a RPD for Kennedy class II arch, the clasp configuration usually employed is :

a. bilateral

b. tripod

c. unilateral

d. quadrilateral

17 / 60

Component of a clasp assembly is:

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

b. One or two rests, a retentive arm, a bracing or reciprocating element and one or two minor connector

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

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

18 / 60

RPD movements away from tissues may occur due to following except:

a. Mastication

b. Gravity

c. Moving border tissues

d. Pull of food

19 / 60

A clasp most common use is?:

a. Ring clasp

b. Back action clasp

c. Embrasure

d. Aker clasp

20 / 60

Cast:

a. ម៉ូដែលធ្មេញដែលធ្វើពីក្រមួន

b. ម៉ូដែលធ្មេញដែលធ្វើពីដែក

c. ម៉ូដែលធ្មេញដែលធ្វើពីម្នាងសិលា

d. ម៉ូដែលធ្មេញដែលធ្វើពីជាតិនីឡុង

21 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ប្រើជាលិការឹងដើម្បីទ្រទ្រង់

b. ប្រើឆ្អឹង

c. ប្រើជាលិកាក្រអូមទន់ដើម្បីទ្រទ្រង់

d. ប្រើជាលិកាទន់ដើម្បីទ្រទ្រង់

22 / 60

Which type of RPD can best resist the forces, to which it is subjected? :

a. class I

b. class II

c. class IV

d. class III

23 / 60

ទំពក់ Circlet:

a. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

b. ទប់ជាប់ល្អដូច Bar Clasp

c. ទប់ជាប់ស្អិតដូច Bar Clasp

d. តោងជាប់ល្អដូច Bar Clasp

24 / 60

Bar Clasp គេប្រើទៅលើ :

a. Class II

b. Class IV

c. Class I

d. Class III

25 / 60

Internal occlusal rests are indicated in:

a. Tooth supported class III designs

b. Tooth tissue supported class I designs

c. All distal extension denture base designs

d. Tooth tissue supported class II designs

26 / 60

The superior border of linqual bar should be:

a. At the cingulum of anterior teeth

b. Deep in the linqual sulcus

c. At least 7 mm below the gingival margin

d. At least 4 mm below the gingival margin

27 / 60

Classification of lever system is based on location of:

a. Resistance

b. Direction of effort

c. Are all corrected

d. Fulcrum line

28 / 60

Body ភ្ជាប់ពី Rest ទៅៈ:

a. Minor Connector

b. Reciprocal arm

c. Retentive Clasp Arm

d. Retentive terminale

29 / 60

Methods to check loss of support for distal extension denture base include following except:

a. Allowing tissue rest by removing the RPD

b. Applying alternate pressure over the artificial teeth

c. Using free flowing irreversible hydrocolloid under denture base

d. Evidence for heavy occlusal contacts of natural dentition

30 / 60

Ring Clasp:

a. ទាំង 3 ខាងលើត្រូវ

b. អាចទប់នឹងកំលាំងបណ្តោយ

c. មិនអាចទប់នឹងកំលាំងបង្វិល

d. អាចទប់នឹងកំលាំងបង្វិល

31 / 60

Rest ការពារៈ:

a. អោយរបូតចេញពីជាលិកាទន់

b. មិនអោយរបួសដល់ជាលិកាទន់

c. អោយរបួសដល់ជាលិកាទន់

d. មិនអោយរបូតចេញពីជាលិកាទន់

32 / 60

Major Connector ជាស្ពានៈ:

a. មិនសូវមាំ

b. សំខាន់

c. មិនសូវសំខាន់

d. បន្ទាប់បន្សំ

33 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Rest

b. Shoulder

c. Terminal arm

d. Retentive arm

34 / 60

Function of denture bases :

a. improve esthetics

b. support and retain denture teeth

c. stress distribution surface area

d. all are corrected

35 / 60

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

a. Chrome cobalt

b. Platinum

c. Nickel chrome

d. Titanium

36 / 60

Lattice type of grid work minor connectors is:

a. Less retention for acrylic resin

b. Flatter

c. Potentially superior retention

d. Potentially more rigid

37 / 60

In an infrabulge clasp, the clasp arm arises either from:

a. Lingual flange of acrylic or border of metal base

b. Border of metal base

c. A metal base or framework

d. Denture framework

38 / 60

Lingual plating should be supported :

a. by the inclined surfaces of the mandibular incisors

b. with bracing arms

c. with the rests

d. with minor connector

39 / 60

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

a. increased caries activity

b. increased periodontal problems

c. whitening acrylic resin and artificial teeth

d. corrosion of the metal the framework

40 / 60

The kennedy classification of this RPD is:

a. class IV mod II

b. Class I mod I

c. class I mod II

d. class II mod I

41 / 60

Mold គឺជាគំរោងធ្វើពីៈ:

a. ក្រមួន

b. ដែក

c. ជាតិនីឡុង

d. ជាតិ Plastic

42 / 60

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

a. A high lingual frenum

b. All are correct

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

d. the presence of lingual tori

43 / 60

Metal teeth in removable partial denture is indicated when:

a. When space is too limited

b. Abutment teeth are tilted

c. Prevention of extrusion of opposing tooth is needed and When space is too limited

d. Prevention of extrusion of opposing tooth is needed

44 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ទៅកកិតនឹងជាលិកា

b. ឈឺសាច់ជាលិកា

c. ជាលិកាស្រកទៅនៅដដែល

d. ជួយជំនួសជាលិកាដែលបាត់បង់ទៅ

45 / 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

46 / 60

Incisal rests:

a. All are correct

b. a generally more positive vertical stops than cingulum rests

c. may interfere with the opposing occlusion

d. should not be used on maxillary incisors

47 / 60

Atmosphéric Pressure:

a. សម្ពាធក្នុងមាន សម្ពាធក្រៅគ្មាន

b. សម្ពាធក្នុងធំជាងសម្ពាធក្រៅ

c. សម្ពាធក្នុងស្មើនឹងសម្ពាធក្រៅ

d. សម្ពាធក្រៅធំជាងសម្ពាធក្នុង

48 / 60

A distal extension partial denture receives its support :

a. from terminal abutments

b. equally from abutments and the residual ridges

c. exclusively from residual ridge

d. mostly from residual ridge

49 / 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 true but the reason is false

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

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

50 / 60

The junction of mandibular minor connector with major connector is :

a. there is no joint

b. butt joint

c. acrylic forms the joint

d. ball and socket joint

51 / 60

Protrusive or Retrusive movements can also be called………………movement:

a. translatory or shifting

b. translatory or vertical

c. translatory or sliding

d. sliding crossbite excursions

52 / 60

Removable Prosthodontics:

a. ទាំងបីខាងលើត្រូវ

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះចេញចូលបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

d. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះមិនបាន

53 / 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

54 / 60

Posterior palatal bar is placed :

a. on the soft tissue

b. at the junction of the hard and soft palate

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

d. placed on the hard palatal entirely

55 / 60

La dimension verticale d’occlusion ធ្មេញខាំប៉ះ :

a. ទាំងអស់

b. ខាងមុខ

c. ខាងក្រោយ

d. តែម្ខាង

56 / 60

An ideal clasp assembly should possess the following quality:

a. 90 degree encirclement

b. 160 degree encirclement

c. 45 degree encirclement

d. 180 degree encirclement

57 / 60

Approach Arm:

a. ទាំង 3ខាងលើត្រូវ

b. ផ្នែកបញ្ឈរនៃ Bar Clasp

c. ផ្នែកផ្តេកនៃ Bar Clasp

d. ផ្នែកបញ្ឆៀងនៃ Bar Clasp

58 / 60

Which of the following steps is done LAST ?:

a. Centric relation records

b. Altered cast impression

c. Framework try in

d. Rest preparation

59 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ត្រូវឱ្យបន្ទាត់កំណាំរត់តាម :

a. មុខ Occlusal

b. មុខ Vestibulaire

c. មុខ Linguale

d. មុខ Mésiale

60 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #45, 46, 47:

a. Kennedy class III mod. I

b. Kennedy class III mod. III

c. Kennedy class III mod. II

d. Kennedy class III

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