Partial Denture I Test

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1 / 60

Uses of multiple clasp includes following except:

a. When only available retentive areas are adjacent to each other

b. In class II modification 1 areas

c. When teeth from entire half of denture arch are missing

d. When additional retention is needed in class III cases

2 / 60

Minor connector may be :

a. bead or nail head construction

b. all are corrected

c. of lattice work construction

d. of mesh work construction

3 / 60

More acceptable esthetically and less caries formation for bar clasp is:

a. U clasp

b. Y clasp

c. T clasp

d. I clasp

4 / 60

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

a. Denture framework

b. Border of metal base

c. Lingual flange of acrylic or border of metal base

d. A metal base or framework

5 / 60

Reciprocal Arm សន្តូក :

a. ក្រោមបន្ទាត់ស្ទង់

b. លើមុខទំពារ

c. លើបន្ទាត់ស្ទង់

d. លើគន្លងនៃមុខទំពារ

6 / 60

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

a. Retruded contact, the tongue touches the palate

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

c. Centric occlusion, the tongue touches the palate

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

7 / 60

Minor Connector ចែកទំងន់ទៅលើៈ:

a. Clasp

b. តួអញ្ចាញដែលគ្មានធ្មេញ

c. ស្ពានសំខាន់

d. Rest

8 / 60

Unilateral edentulous area with natural teeth both anterior and posterior to it represent Kennedy’s…..arch :

a. class III

b. class IV

c. class I

d. class II

9 / 60

Bar Clasp វាមាន:

a. រាងក្រងិកក្រង៉ក់

b. សោភ័ណភាព

c. រាងធំខុសធម្មតា

d. មិនសូវល្អមើល

10 / 60

Fulcrum line ជាបន្ទាត់មួយរត់កាត់តាមៈ:

a. Mésial rest seat

b. Vestibular rest seat

c. Distal rest seat

d. Lingual rest seat

11 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Rest

b. Major Connector

c. Pontic

d. Denture Base

12 / 60

Considering the design of an RPD for the mandibular arch:

a. The lingual plate would be the major connector of space

b. A dual path of insertion should be considered

c. Survey crowns should be done to correct the mesial tilt of the molars

d. Retentive clasps are required next to each edentulous space

13 / 60

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

a. Occlusal rest

b. Internal occlusal rest

c. Indirect retainer

d. Interproximal occlusal rest

14 / 60

Anterior posterior palatal strap especially use is:

a. maximum rigidity

b. use in most cases

c. torus palatal

d. minimum bulk

15 / 60

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

a. the presence of lingual tori

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

c. All are correct

d. A high lingual frenum

16 / 60

Approach arm រត់តាមបណ្តោយសាច់ mucosa ហើយ តភ្ជាប់ជាមួយៈ:

a. Reciprocal arm

b. Retentive clasp arm

c. Retentive Terminal

d. Body retentive terminal

17 / 60

A continuous bar is otherwise known as:

a. linguoplate

b. cingulum bar

c. kennedy bar and cingulum bar

d. kennedy bar

18 / 60

លក្ខខណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែក ត្រូវឱ្យបន្ទាត់កំណាំរត់តាម :

a. មុខ Occlusal

b. មុខ Mésiale

c. មុខ Vestibulaire

d. មុខ Linguale

19 / 60

Tripoding is the method used:

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

b. For giving clasp assemblies at 3 points

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

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

20 / 60

Shoulder ធ្វើអោយៈ:

a. របូត

b. មានលំនឹង

c. ឃ្លីងឃ្លោង

d. ទាំងបីខាងលើត្រូវ

21 / 60

A cingulum rest should be placed:

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

b. above the middle third of the incisor teeth

c. on the disto incisal edges of the incisor teeth

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

22 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោង

b. ទ្រទ្រង់សាច់មុខអោយមានសភាពផត

c. ទ្រទ្រង់សាច់មុខអោយមានសភាពប៉ោងដោយកន្លែង

d. ទ្រទ្រង់ទំរង់មុខបំពញឡើងវិញ

23 / 60

Prosthesis:

a. ធ្មេញសិប្បនិម្មិតផ្លាស់ថ្មី

b. ធ្មេញធម្មជាតិនៅទំនេរ

c. ធ្មេញធម្មជាតិសម្រាប់ពាក់ទំពក់

d. ធ្មេញធម្មជាតិសម្រាប់ទំពារអាហារ

24 / 60

Retentive arm ចូលទៅក្នុងៈ:

a. កន្លែងរាបស្មើ

b. Undercut

c. កន្លែងគ្មាន Undercut

d. កន្លែងដែលមានពក

25 / 60

Contraindication for sublingual bar are following except:

a. high elevation of floor of mouth

b. lingual tori

c. large tongue

d. high lingual frenum

26 / 60

The presence of mandibular lingual tori would indicate the need for:

a. Tube teeth

b. Extra indirect retainers

c. A metal base

d. Lingual plating

27 / 60

Plan d’ occlusion parallèle ជាមួយៈ:

a. Plan de francfort

b. Plan frontal

c. Plan de camper

d. Plan sagittal médian

28 / 60

The only one flexible minor connectors is :

a. that joining the denture base to major connector

b. that connecting indirect retainer assembly to the major connector

c. approach arm of a bar clasp

d. that connecting clasp assembly to major connector

29 / 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 prevent horizontal dislodgement of the distal extension bases of removable partial denture.

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

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

30 / 60

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

a. Present lingual tori and big tongue

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

c. Present high lingual frenum and buccally anterior teeth

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

31 / 60

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

a. Increase the food trap

b. Decrease cross-arch resistance to horizontal rotation

c. Enhance cross-arch resistance to horizontal rotation

d. Decrease the stabilization

32 / 60

Limitations to use of internal attachment are following except:

a. Size of the pulp

b. Clinical crown short

c. Cost of the prosthesis

d. Availability

33 / 60

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

a. Kennedy class III mod. II

b. Kennedy class III

c. Kennedy class III mod. I

d. Kennedy class III mod. III

34 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Abutment

b. Denture Base

c. Major Connector

d. Artificial teeth

35 / 60

Labial bar is indicated when:

a. There are periodontally weak teeth

b. There is linqual inclination of teeth

c. There is labial inclination of teeth

d. There is a diastema

36 / 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 both the mesial and distal occlusal surfaces

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

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

37 / 60

Chemical bonding of resin to metal involves following, except:

a. Thin layer of acrylic resin over the metal

b. Loops and Mesh

c. Silica coating

d. Resin bonding agent application

38 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីអោយធ្មេញនៅសល់ៈ:

a. តាមកំរិតដើម

b. ដុះលូតឡើង

c. ទ្រេតខុសជួរ

d. ស្រុតចុះក្រោម

39 / 60

Rest ត្រូវតែៈ:

a. ទាំង ៣លើត្រូវ

b. ទប់បញ្ឈរ

c. ទប់ផ្អៀង

d. ទប់ផ្តេក

40 / 60

សាច់ដុំ Depression or opening of the mouth:

a. Internal Pterygoids

b. Temporal

c. External Pterygoids

d. Masseter

41 / 60

The advantage of using a metal denture base is :

a. increase in restorative cost

b. increase in tissue tolerance

c. easy laboratory procedure

d. rebasing and relining are quite easy

42 / 60

Which of the following maxillary major connectors possesses the least strength and rigidity?:

a. horse –shoe

b. anterior posterior palatal strap

c. modified palatal strap

d. palatal plate

43 / 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. The outline to have greater width than length

d. Marginal ridge should be reduced by 25 mm

44 / 60

The diagnosis of master cast of RPD be for design framework should be:

a. Determine guiding planes

b. Determine parallelism of abutments

c. All are correct

d. Determine high of contour

e. Determine path of insertion

45 / 60

Retentive Arm :

a. ដាក់ពីចំហៀងបន្ទាត់ស្ទង់

b. ដាក់លើបន្ទាត់ស្ទង់

c. ដាក់ក្រោមបន្ទាត់ស្ទង់

d. ទាំង 3ខាងលើត្រូវ

46 / 60

សាច់ដុំ Elevation or closure of the mouth:

a. Mylohyoidien

b. Temporal

c. Geniohyoidien

d. Digastrique

47 / 60

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

a. Esthetic considerations

b. Depend on impression

c. Depend on secondary impression

d. Depend on design tray

48 / 60

Relief under a maxillary major connector :

a. is required

b. is generally not required

c. may be used

d. may not be used

49 / 60

Back action clasp use:

a. Class IV

b. Class I

c. Class II

d. Class III

50 / 60

Advantages of resin bases is :

a. esthetically superior to metal bases

b. lower strength / wear resistance than metal

c. porous – hygiene

d. dimensional stability-warp

51 / 60

Usually rest seats are located at:

a. At cement enamel junction

b. Dentin

c. The junction of enamel and dentin

d. Enamel

52 / 60

Retentive Arm វាអាច:

a. មិនអាចបត់បែនបាន

b. បត់បែនបាន

c. ទន់

d. សង្កត់ឡើងចុះបាន

53 / 60

The function of minor connector is :

a. presents gingival displacement of RPD

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

c. allows a single path of placement of the RPD

d. connects major connector to all the components of RPD

54 / 60

In which of the following mandibular positions are the teeth in contact?:

a. All are correct

b. Edge to Edge Incisor Contact

c. Maximum Mandibular Protrusion

d. Negative, Horizontal and Vertical Overlaps at incisors

e. Centric Relation and Centric Occlusion

55 / 60

RPD is indicated in all EXCEPT :

a. multiple edentulous spaces

b. distal abutment loss

c. excessive loss of alveolar bone

d. long edentulous span

56 / 60

Component of a clasp assembly is:

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

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

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

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

57 / 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 but the reason is true

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

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

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

58 / 60

To prevent dislodgement of abutment in distal extension RPD, it is required to have a :

a. stress breaker

b. positive denture base-tissue relationship

c. indirect retainer

d. multiple clasping

59 / 60

Direct retainer (clasps):

a. help stabilize the RPD by controlling gingival movement

b. prevent excessive biting forces on the abutment

c. may also function as indirect retainers

d. help stabilize the RPD by controlling occlusal movement

60 / 60

A clasp most common use is?:

a. Embrasure

b. Ring clasp

c. Back action clasp

d. Aker clasp

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត