Partial Denture I Test

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You will have 60 minutes to complete all the questions. After the timer reaches 60 minutes, the exam will end and be saved automatically. Good luck! *Fingers crossed*

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1 / 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 minor connector, one major connector, one rest, two rests, one retentive arm, one bracing arm

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

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

2 / 60

Physiologic adjustment of the framework is related to:

a. External finish line

b. The axis of rotation

c. The number of abutments

d. The areas of edentulous space

3 / 60

Which of the following clasps commonly utilize lingual undercut ?:

a. Half and half clasp, Back action clasp

b. Half and half clasp, Ring clasp

c. Ring clasp , I bar clasp

d. Extended arm clasp, Akers clasps

4 / 60

Indirect retainer:

a. prevents displacement of RPD

b. assists direct retainer

c. maintains all of the above

d. resists lever action

5 / 60

Rigid metal retention is associated with:

a. All are correct

b. The need for excellent esthetics

c. A dual path of insertion

d. A class IV RPD

6 / 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

7 / 60

Shoulder ធ្វើអោយៈ:

a. ឃ្លីងឃ្លោង

b. របូត

c. ទាំងបីខាងលើត្រូវ

d. មានលំនឹង

8 / 60

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

a. The approach arm should be most flexible

b. It should lie in a flat plane

c. It should cross marginal gingival 90 degrees

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

9 / 60

Impression:

a. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

b. ក្រហែងនៅលើពុម្ពធ្មេញ

c. គន្លងនៅលើពុម្ពធ្មេញ

d. ក្រឡុកនៅលើពុម្ពធ្មេញ

10 / 60

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

a. Mastication

b. Pull of food

c. Moving border tissues

d. Gravity

11 / 60

Stability is mainly against:

a. horizontal forces and functional forces

b. functional forces

c. forces against removal of prosthesis

d. horizontal forces

12 / 60

A removable partial denture may be:

a. All tooth supported and tissue supported

b. Tooth and tissue supported

c. All tooth supported

d. All tissue supported

13 / 60

A clasp most common use is?:

a. Embrasure

b. Back action clasp

c. Ring clasp

d. Aker clasp

14 / 60

Minor Connector ភ្ជាប់ពីទំពក់ទៅៈ:

a. Denture Base

b. Major Connector

c. Rest

d. Pontic

15 / 60

Minor Connector ភ្ជាប់ពី Rest ទៅៈ:

a. Major Connector

b. Clasp

c. Pontic

d. Denture Base

16 / 60

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

a. Hard and soft tissue interferences

b. Depend on force of mastication

c. Depend on attitude the patient

d. Depend on of abutments

17 / 60

The gridwork minor connector on a maxillary class I removable partial denture:

a. Does not cover the tuberosity

b. Covers the hamular notch

c. Covers the crest and tuberosity

d. Covers the tuberosity

18 / 60

When a minor connector contacts tooth surface on either side of embrasure, it should:

a. Abruptly end at the tooth

b. Not have space between it and the tooth

c. Be sharply angled

d. All of the above are true

19 / 60

Requirements of a Major connector:

a. distributes functional loads to both teeth and mucosa

b. connects various parts

c. rigidity, non interference with tissues, minimize food impaction and unobtrusive

d. partial denture acts as one unit

20 / 60

What is a RPD component is not needed in this type of case?:

a. Indirect retainers

b. Major connector

c. Guide planes

d. Direct retainers

21 / 60

Retentive arm នៅ:

a. ត្រង់ Undercut នៃធ្មេញជន្ទល់

b. ពក Vestibulaire នៃធ្មេញជន្ទល់

c. ពក Linguale នៃធ្មេញជន្ទល់

d. ចំណុចប៉ះមុខ Mesiale នៃធ្មេញជន្ទល់

22 / 60

ចំណាត់ថ្នាក់ទី 3 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកមុខមានធ្មេញធម្មជាតិនៅសងខាង

b. នៅផ្នែកខាងក្រោយបង្អស់

c. ផ្នែកខាងដែលធ្មេញធម្មជាតិមុខ និងក្រោយ

d. នៅផ្នែកខាងក្រោយតែម្ខាង

23 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. កុំអោយធ្មេញដែលនៅសល់ 2 ឬ 3 ហួសចំណុះ

b. អោយហួសចំណុះធ្មេញ 2 ឬ 3 ដែលនៅសល់

c. អោយធ្មេញនៅសល់ 2 ឬ 3 រង្គើ

d. អោយធ្មេញនៅសល់ 2 ឬ 3 ឈឺ

24 / 60

The Removable Partial Denture design should be finalized prior to:

a. Remove crown bridge

b. Any fixed prosthodontics treatment and preparation of rest seats

c. Any emergency treatment

d. Remove third molar

25 / 60

Bar Clasp ចូលដល់ Undercut ពីខាង:

a. មុខ Occlusal

b. មុខ Mésiale

c. អញ្ចាញ

d. មុខ Distale

26 / 60

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

a. Depend on infrabulge and suprabulge

b. None of above

c. Undercuts for direct retainer

d. Depend on edentulous areas

27 / 60

In a class III modification 1 RPD, the rests are usually placed:

a. On the canines

b. In the area of the opposing occlusal contact

c. Adjacent to the modification space

d. Away from the modification space

28 / 60

ចំណាត់ថ្នាក់ទី ១ នៃចន្លោះធ្មេញ:

a. ប្រឡោះផ្នែកខាងក្រោយទាំងពីរ

b. ទាំងបីខាងលើត្រូវ

c. ប្រឡោះផ្នែកខាងទាំងពីរ

d. ប្រឡោះផ្នែកខាងមុខតែមួយ

29 / 60

The external finish lines on this framework are:

a. Indistinct

b. Would allow for acrylic and metal

c. too deep or over contoured

d. Correct

30 / 60

For obtaining functional impression for RPD :

a. teeth are recorded in anatomical form and ridge in functional form

b. teeth and ridge are recorded both in anatomical and functional form

c. teeth are recorded in functional form and ridge in anatomical form

d. all are corrected

31 / 60

Class IV Kennedy classification is :

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

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

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

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

32 / 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

33 / 60

All of the following clasps are infrabulge clasps except:

a. Roach clasp

b. Aker clasp

c. Modified T bar

d. I bar

34 / 60

Retentive arm:

a. មិនអាចបត់បែនបានតាមកំពស់រង្វង់ធ្មេញ

b. ត្រូវតែពត់តាមកំពស់រង្វង់ធ្មេញ

c. រឹងខ្លាំងពត់មិនកើត

d. ទាំង3ខាងលើត្រូវ

35 / 60

Major Connector ជាស្ពានៈ:

a. មិនសូវសំខាន់

b. បន្ទាប់បន្សំ

c. សំខាន់

d. មិនសូវមាំ

36 / 60

In the following philosophy of RPI system, the functional force is distributed evenly between tooth and tissue:

a. Where there is more relief underneath proximal plate

b. Where only 1mm of proximal plate contacts guiding plane

c. Where proximal plate extends up to the junction of the middle and gingival third

d. Where proximal plate contacts entire length of the guiding plane

37 / 60

The minor connector that contacts the guiding plane:

a. No change in thickness buccolingually

b. Is thicker lingually than buccally

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

d. Has the same contour as guiding plane

38 / 60

Rest ការពារៈ:

a. មិនអោយរបូតចេញពីជាលិកាទន់

b. អោយរបួសដល់ជាលិកាទន់

c. អោយរបូតចេញពីជាលិកាទន់

d. មិនអោយរបួសដល់ជាលិកាទន់

39 / 60

An area undercut may preclude the selection of :

a. An infrabulge clasp

b. A Half and half clasp

c. A suprabulge clasp

d. A combination clasp

40 / 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. opposite the buccal pouch

b. at the hamular notch

c. opposite stenon’s duct

d. in the glenoid fossa

41 / 60

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

a. Efficient indirect retainer

b. Inefficiency of direct retainer

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

d. Need to reline the distal extension denture base

42 / 60

ចំណាត់ថ្នាក់ទី 4 នៃចន្លោះធ្មេញ គឺប្រឡោះធ្មេញៈ:

a. ផ្នែកខាង

b. មុខដែលមានធ្មេញធម្មជាតិនៅសងខាង

c. ក្រោយទាំងសងខាង

d. ក្រោយតែម្ខាង

43 / 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

44 / 60

A removable partial denture may be :

a. tooth and tissue supported

b. all tooth support supported

c. all tooth support supported and tooth and tissue supported

d. all tissue supported

45 / 60

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

a. Depend on survey line

b. Quality of framework

c. Potential guide surfaces

d. Depend on patient

46 / 60

Approach arm រត់តាមបណ្តោយសាច់ mucosa ហើយ តភ្ជាប់ជាមួយៈ:

a. Body retentive terminal

b. Reciprocal arm

c. Retentive clasp arm

d. Retentive Terminal

47 / 60

Cohésion គឺជាទំនាញ Molécule:

a. 2 ខុសគ្នា

b. 1 ដូចគ្នា

c. 4 ដូចគ្នា

d. 3 ខុសគ្នា

48 / 60

Physiologic adjustment of the framework is related to:

a. The residual ridge and teeth

b. The classification of kennedy

c. Adjustment of the framework to the teeth

d. Internal finish line

49 / 60

Tissue stops are useful in:

a. Stops the tissue impingement by tray

b. Engaging buccal slope of the residual ridge

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

d. Stabilizing framework during processing

50 / 60

Physiologic adjustment of the framework is related to:

a. The major connector and natural teeth

b. The minor connector and natural teeth

c. The rest and indirect retainer

d. Functional movement of the framework

51 / 60

The superior border of this major connector:

a. is too low

b. is too small

c. Is correctly adapted to the teeth

d. Is not acceptably adapted to the teeth

52 / 60

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

a. I clasp

b. U clasp

c. Y clasp

d. T clasp

53 / 60

The total retention for a RPD is obtained from:

a. Mechanical retention from major connector

b. Mechanical retention from grid work

c. Mechanical retention from clasps (direct retainer)

d. Mechanical retention from minor connectors

54 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីអោយធ្មេញនៅសល់ៈ:

a. ស្រុតចុះក្រោម

b. ដុះលូតឡើង

c. ទ្រេតខុសជួរ

d. តាមកំរិតដើម

55 / 60

Incisal rests:

a. may interfere with the opposing occlusion

b. should not be used on maxillary incisors

c. a generally more positive vertical stops than cingulum rests

d. All are correct

56 / 60

During biting a maxillary class I RPD with rotate around a line determined by the rigid metal above the survey line and closed to the extension areas This line is called:

a. Dual path line

b. Camper’s line

c. Axis of rotation

d. Frankfurt line

57 / 60

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

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

b. keeping minimum of 4 mm distance for major connector

c. keeping minimum of 6 mm distance for major connector

d. minor connectors joining major connector at <90>

58 / 60

The advantage of using a metal denture base is :

a. rebasing and relining are quite easy

b. increase in tissue tolerance

c. increase in restorative cost

d. easy laboratory procedure

59 / 60

Edentulous Space គឺកន្លែងធ្មេញដែល :

a. នៅសល់

b. ដុះខុសជួរ

c. កំពុងប្រើប្រាស់

d. យកចេញ

60 / 60

ទំពក់ Circlet:

a. ស្រួលធ្វើគំរោង

b. ពិបាកពត់ឡើងចុះ

c. ពិបាកដាក់លើធ្មេញជន្ទល់

d. ពិបាកធ្វើគំរោង

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត