Partial Denture I Test

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1 / 60

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

a. Does not cover the tuberosity

b. Does not require substantial inter arch space

c. Covers the hamular notch

d. Covers the tuberosity

2 / 60

Physiologic adjustment of the framework:

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

b. Is usually done at delivery of the RPD

c. Is usually done at the records appointment

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

3 / 60

Function of denture bases :

a. stress distribution surface area

b. all are corrected

c. support and retain denture teeth

d. improve esthetics

4 / 60

Rest Plate System វាអាចៈ:

a. មិនប៉ះទៅនឹងធ្មេញដែលនៅឆ្ងាយ

b. មិនប៉ះទៅនឹងធ្មេញជិតខាង

c. ប៉ះទៅនឹងធ្មេញដែលនៅឆ្ងាយ

d. ប៉ះទៅនឹងធ្មេញជិតខាង

5 / 60

Ring Clasp អាចទប់នឹង:

a. មិនអាចទប់នឹងទំងន់ផ្តេក

b. កំលាំងបណ្តោយតាមមុខទំពារ

c. ទាំង 3ខាងលើត្រូវ

d. កំលាំងផ្តេក

6 / 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. At the hamular notch

b. In the glenoid fossa

c. Opposite stenon’s duct

d. Opposite the buccal pouch

7 / 60

Sublingual bar is placed:

a. inferior and anterior to lingual bar

b. inferior to lingual bar and inferior and anterior to lingual bar

c. inferior to lingual bar

d. inferior and posterior to lingual bar

8 / 60

Class IV Kennedy classification is :

a. unilateral edentulous area located posterior to the remaining natural teeth

b. unilateral edentulous area with natural teeth remaining both anterior and posterior to it

c. a single but bilateral (crossing the midline) edentulous area located anterior to the remaining natural teeth

d. bilateral edentulous area located posterior to the remaining natural teeth

9 / 60

Component of a clasp assembly are:

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

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

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

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

10 / 60

Functions of guiding planes are:

a. Ensuring definite path of placement

b. They make all the teeth parallel to each other

c. Ensure predictable clasp retention

d. Ensuring definite path of placement and Ensure predictable clasp retention

11 / 60

For the preparation of rest seat:

a. The outline to have greater length than width

b. The outline to have greater width than length

c. Marginal ridge should be reduced by 1 mm

d. Marginal ridge should be reduced by 25 mm

12 / 60

Which part of the distal extension RPD provides the greatest resistance to movement and torqueing of the abutment tooth :

a. retentive clasp

b. rest

c. denture base

d. minor connector

13 / 60

Posterior palatal bar is placed :

a. on the soft tissue

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

c. placed on the hard palatal entirely

d. at the junction of the hard and soft palate

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 too short and too close the free gingival margins

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

15 / 60

Anterior posterior palatal strap especially use is:

a. use in most cases

b. torus palatal

c. maximum rigidity

d. minimum bulk

16 / 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 high floor of the mouth and facially anterior teeth

c. Present high lingual frenum and buccally anterior teeth

d. Present lingual tori and big tongue

17 / 60

A removable partial denture may be :

a. tooth and tissue supported

b. all tissue supported

c. all tooth support supported and tooth and tissue supported

d. all tooth support supported

18 / 60

Bar Clasp ជាប្រភេទទំពក់:

a. រុញទល់នឹងកន្លែងទប់

b. រុញនៅត្រឹមអញ្ចាញ

c. ទាញ

d. រុញហួសពីកន្លែងទប់

19 / 60

Reciprocal Arm ផ្តល់ទម្រ:

a. បញ្ឆិតអោយធ្មេញសិប្បនិម្មិត

b. បញ្ឈរអោយធ្មេញសិប្បនិម្មិត

c. ផ្អៀងអោយធ្មេញសិប្បនិម្មិត

d. ផ្តេកអោយធ្មេញសិប្បនិម្មិត

20 / 60

Rest អាចបញ្ចូនទំងន់តាម :

a. តាមទិស Long Axis Abutment

b. មុខទំពារ

c. តាមទិសផ្តេកនៃ Long Axis Abutment

d. តាមទិសបញ្ឆិតនៃ Long Axis Abutment

21 / 60

Physiologic adjustment of the framework is related to:

a. Adjustment of the framework to the teeth

b. The classification of kennedy

c. The residual ridge and teeth

d. Internal finish line

22 / 60

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

a. poor esthetics and interferences with opposing occlusion

b. for mandibular class 4 kennedy only

c. for maxillary and mandibular class 1 and 2 kennedy

d. for maxillary class 4 kennedy only

23 / 60

Advantage of palatal strap :

a. increased rigidity with less bulk

b. can be used in Kennedy class I partial dentures

c. more economical and comfortable to the patient

d. increased retention of appliance

24 / 60

Major connector should be :

a. rigid to connect bilateral components

b. able to function as stress breakers

c. able to act as indirect retainer

d. able to function as direct retainer

25 / 60

Rest:

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

b. need not have rest seat

c. is placed on rest seat always

d. mainly offers stability

26 / 60

Minor Connector ចែកទំងន់ទៅ :

a. Indirect Retainer

b. ធ្មេញដែលនៅសល់

c. Rest

d. Clasp

27 / 60

Approach arm រត់តាមបណ្តោយសាច់ mucosa ហើយ តភ្ជាប់ជាមួយៈ:

a. Retentive Terminal

b. Reciprocal arm

c. Retentive clasp arm

d. Body retentive terminal

28 / 60

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

a. Interproximal occlusal rest

b. Indirect retainer

c. Occlusal rest

d. Internal occlusal rest

29 / 60

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

a. Using free flowing irreversible hydrocolloid under denture base

b. Evidence for heavy occlusal contacts of natural dentition

c. Applying alternate pressure over the artificial teeth

d. Allowing tissue rest by removing the RPD

30 / 60

Full palatal plate:

a. Connector of choice in short distal extension cases

b. Six or less anterior teeth remain

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

d. Minimum tissue support

e. Six or more anterior teeth remain

31 / 60

Bar Clasp វាគ្របលើក្រឡាផ្ទៃ :

a. តូច

b. ប្រឡោះចង្អៀត

c. ធំ

d. ទូលាយ

32 / 60

Undercut at the point of origin of a clasp can be approached by:

a. Embrasure clasp

b. Hair pin clasp

c. Back action clasp

d. Half and half clasp

33 / 60

Deepest part of a rest seat is towards:

a. Disto-lingual line angle

b. Central fossa

c. Disto- buccal line angle

d. Marginal ridge

34 / 60

Best selection of preventing abutments tooth of class I Kennedy from the negative effects of the additional load applied to them is by:

a. Placing distal rests on the distal abutment

b. Regular relining of distal extensions

c. Splinting abutment with adjacent teeth

d. Keeping a light occlusion on the distal extensions

35 / 60

Lattice type of grid work minor connectors is:

a. Potentially superior retention

b. Flatter

c. Potentially more rigid

d. Less retention for acrylic resin

36 / 60

The function of minor connector is :

a. connects major connector to all the components of RPD

b. presents gingival displacement of RPD

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

d. allows a single path of placement of the RPD

37 / 60

The function of the guide plate is to:

a. All are correct

b. Provide contact with the adjacent tooth

c. Stabilize the RPD by controlling its horizontal position

d. Help establish a definitive path of insertion/ dislodgement

38 / 60

ទំពក់ Circlet:

a. តោងជាប់ល្អដូច Bar Clasp

b. ទប់ជាប់ល្អដូច Bar Clasp

c. មិនសូវទប់ជាប់ល្អដូច Bar Clasp

d. ទប់ជាប់ស្អិតដូច Bar Clasp

39 / 60

Removable Prosthodontics:

a. ការដាក់ធ្មេញសិប្បនិម្មិតដែលមិនអាចដោះបាន

b. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះមិនបាន

c. ការដាក់ធ្មេញសិប្បនិម្មិតមានត្រណាប់ដោះចេញចូលបាន

d. ទាំងបីខាងលើត្រូវ

40 / 60

សាច់ដុំ Depression or opening of the mouth:

a. Internal Pterygoids

b. External Pterygoids

c. Temporal

d. Masseter

41 / 60

The external finish line on a maxillary class 1 RPD originates from the lingual of the guide plane of the terminal abutment and ends:

a. at the hamular notch

b. opposite stenon’s duct

c. opposite the buccal pouch

d. in the glenoid fossa

42 / 60

Infrabulge clasp is advocated by:

a. Applegate

b. Wills

c. Kennedy

d. Devan

43 / 60

Physiologic adjustment of the framework is related to:

a. Functional movement of the framework

b. The major connector and natural teeth

c. The rest and indirect retainer

d. The minor connector and natural teeth

44 / 60

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

a. The approach arm should be most flexible

b. It should cross marginal gingival 90 degrees

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

d. It should lie in a flat plane

45 / 60

Rest អាចៈ:

a. អោយជាលិកាទន់នៅដដែល

b. អោយមានគ្រោះថ្នាក់ដល់ជាលិកាទន់

c. អោយជាលិការហែក

d. សង្កត់លើជាលិកាទន់ឈឺ

46 / 60

Body ភ្ជាប់ពី Shoulder ទៅៈ:

a. Minor Connector

b. Reciprocal arm

c. Retentive clasp arm

d. Retentive terminale

47 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បី :

a. ប្រើជាលិកាក្រអូមទន់ដើម្បីទ្រទ្រង់

b. ប្រើជាលិការឹងដើម្បីទ្រទ្រង់

c. ប្រើឆ្អឹង

d. ប្រើជាលិកាទន់ដើម្បីទ្រទ្រង់

48 / 60

Incisal rests:

a. should not be used on maxillary incisors

b. a generally more positive vertical stops than cingulum rests

c. All are correct

d. may interfere with the opposing occlusion

49 / 60

An ideal clasp assembly should possess the following quality:

a. Retention with major connector

b. Retention with denture base

c. Retention

d. Retention with minor connector

50 / 60

Rest ការពារៈ:

a. អោយរបួសដល់ជាលិកាទន់

b. មិនអោយរបូតចេញពីជាលិកាទន់

c. មិនអោយរបួសដល់ជាលិកាទន់

d. អោយរបូតចេញពីជាលិកាទន់

51 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Abutment

c. Artificial teeth

d. Rest

52 / 60

Marginal ridge for a rest seat should be reduced by at least:

a. 3mm

b. 1mm

c. 2mm

d. 1.5mm

53 / 60

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

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

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

c. Do not place a rest on this tooth

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

54 / 60

An ideal clasp assembly should possess the following quality:

a. Elasticity

b. Weight of metal

c. Reciprocation

d. Kind of metal

55 / 60

What are the functions of an indirect retainer:

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

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

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

d. to prevent vertical dislodgement of the distal extension base of removable partial denture.

56 / 60

Denture Base គឺជាកន្លែងដែលគេដាំៈ:

a. ជាតិ Ciment

b. គ្រាប់ធ្មេញ

c. គ្រាប់ Amalgame

d. ជាតិ Ionomer

57 / 60

Following are true for minor connector of an occlusal rest RPI system, except:

a. It should contact adjacent tooth also

b. It acts as a stabilizing component

c. It does not contact adjacent tooth

d. It is placed into mesiolingual embrasure

58 / 60

Usually rest seats are located at:

a. Enamel

b. At cement enamel junction

c. Dentin

d. The junction of enamel and dentin

59 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ជាប់តែម្តង

b. ដាក់ត្រាំត្រែងក្នុងមាត់

c. ដាក់ដោះសំអាត

d. ដាក់ដូចជាធ្មេញជាប់

60 / 60

The denture base acrylic resin minor connector on the patient’s left side should correctly be located:

a. 1/3 the length of the residual ridge

b. Have a mesh acrylic retention area

c. 2/3 to ½ the length of the residual ridge

d. On the retromolar pad

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