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

Retention of RPD is obtained by:

a. Retaining elements and denture bases

b. Rests and rest seats

c. Denture bases and minor connectors

d. Retaining elements, denture bases and Denture bases and minor connectors

2 / 60

Height of contour determine is a:

a. Proximal plate

b. Placed of clasp

c. Path of insertion

d. Infrabulge and suprabulge

3 / 60

Following factors increase effectiveness of indirect retainer, except:

a. Increased flexibility of minor connector used

b. Supporting tooth surface

c. Distance from fulcrum line

d. Quality of direct retainer

4 / 60

សាច់ដុំ Elevation or closure of the mouth:

a. Geniohyoidien

b. Mylohyoidien

c. Temporal

d. Digastrique

5 / 60

Following parts of a removable partial denture may act as indirect retainer, except:

a. Minor connector supporting rests

b. Retentive tip

c. Rests

d. Proximal plates

6 / 60

The advantage of using a metal denture base is :

a. rebasing and relining are quite easy

b. easy laboratory procedure

c. increase in tissue tolerance

d. increase in restorative cost

7 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Denture Base

b. Rest

c. Artificial teeth

d. Abutment

8 / 60

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

a. the presence of lingual tori

b. All are correct

c. A high lingual frenum

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

9 / 60

RPI system is indicated:

a. When undercut is located at the gingival third of tooth away from edentulous area

b. Where bar clasp is indicated and Where there is no buccal or lingual tilt of abutment

c. Where there is no buccal or lingual tilt of abutment

d. Where bar clasp is indicated

10 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #38, 37, 36 #31, 32#41, 42, 43, 47, 48:

a. Class I mod. II

b. Class I mod. I

c. Class II mod. I

d. Class IV mod. II

11 / 60

Mandibular gridwork design of minor connectors:

a. prevents thin, edges fracturing

b. maximum bulk of the acrylic resin

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

d. extend fully to the hamular notch

12 / 60

Manifestations of loss of support for distal extension denture base can be following except:

a. Loss of occlusion

b. Lifting of the denture

c. Rotation of prosthesis around fulcrum line

d. Lifting of indirect retainer from seats

13 / 60

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

a. Increase the food trap

b. Decrease the stabilization

c. Decrease cross-arch resistance to horizontal rotation

d. Enhance cross-arch resistance to horizontal rotation

14 / 60

Minor connector may be :

a. of mesh work construction

b. of lattice work construction

c. bead or nail head construction

d. all are corrected

15 / 60

Prosthodontics:

a. ការទុកប្រលោះធ្មេញអោយនៅដដែល

b. ការផ្លាស់ប្តូរធ្មេញធម្មជាតិត្រង់កន្លែងដែលបាត់

c. ការផ្លាស់ប្តូររាងកាយដែលបាត់បង់ទៅ

d. ផ្លាស់ប្តូរធ្មេញសិប្បនិម្មិត ត្រង់កន្លែងដែលបាត់

16 / 60

Rest នៅមុខទំពាររាងវាៈ:

a. Ovoid

b. Square

c. Tapering

d. Triangular

17 / 60

Interproximal occlusal rest seats:

a. Do not avoid wedging effect by framework

b. Violate contact points

c. Extend far lingually

d. All are corrects

18 / 60

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

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

b. Present high lingual frenum and buccally anterior teeth

c. Present lingual tori and big tongue

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

19 / 60

Approach Arm:

a. ផ្នែកបញ្ឈរនៃ Bar Clasp

b. ទាំង 3ខាងលើត្រូវ

c. ផ្នែកបញ្ឆៀងនៃ Bar Clasp

d. ផ្នែកផ្តេកនៃ Bar Clasp

20 / 60

Shoulder ភ្ជាប់ពី Body ទៅៈ:

a. queues

b. Minor Connector

c. Clasp terminal

d. Rest

21 / 60

Chemical bonding of resin to metal involves following, except:

a. Silica coating

b. Thin layer of acrylic resin over the metal

c. Resin bonding agent application

d. Loops and Mesh

22 / 60

Occlusal rest preparation should be:

a. pear shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

b. flat shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1mm deep

c. spoon shaped, at least1/3 the bucco lingual width of the occlusal surface, at least 1m deep

d. teardrop shaped, at least 1/2 the bucco lingual width of the occlusal surface, at least 15mm deep

23 / 60

Retentive Arm វាអាច:

a. សង្កត់ឡើងចុះបាន

b. បត់បែនបាន

c. មិនអាចបត់បែនបាន

d. ទន់

24 / 60

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

a. On the canines

b. Adjacent to the modification space

c. Away from the modification space

d. In the area of the opposing occlusal contact

25 / 60

Infrabulge clasp is a type of::

a. Circumferentially approaching clasp

b. Bar clasp

c. Ring clasp

d. Akers clasp

26 / 60

The kennedy classification of this RPD is:

a. Kennedy class I

b. kennedy class II mod I

c. Kennedy class II

d. Kennedy class I mod I

27 / 60

Guiding plane are:

a. usually single and usually multiple

b. usually multiple

c. usually single

d. usually parallel

28 / 60

កន្ទុយរបស់ Rest រាងក្រអូបលយទៅៈ:

a. Face Mesiale

b. Face occlusale

c. Face Vestibulaire

d. Face Distale

29 / 60

Deepest part of a rest seat is towards:

a. Disto- buccal line angle

b. Marginal ridge

c. Central fossa

d. Disto-lingual line angle

30 / 60

An undercut in relation to tooth lies:

a. below the survey line and above the survey line also

b. above the survey line also

c. below the survey line

d. on occlusal surface

31 / 60

Canine extensions from occlusal rests are used as indirect retainers, except one:

a. When primary abutment is the I premolar

b. On prepared surfaces of canines

c. As the tip of the canine extension acts as resting element

d. Depend on extension denture base

32 / 60

The mandibular distal extension RPD extends up to :

a. full length of retromolar pad

b. just behind abutment

c. anterior one third length of retro –molar pad

d. anterior 2/3 of retro-molar pad

33 / 60

Anterior posterior palatal strap especially use is:

a. maximum rigidity

b. use in most cases

c. minimum bulk

d. torus palatal

34 / 60

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

a. Covers the hamular notch

b. Covers the crest and tuberosity

c. Does not cover the tuberosity

d. Covers the tuberosity

35 / 60

When rest seals are prepared at inter proximal area on two adjacent teeth:

a. They do not shunt food

b. They avoid wedging by the framework

c. It should extend for lingually and They avoid wedging by the framework

d. It should extend for lingually

36 / 60

Courbe d’occlusion រត់តាម arc de circle ដែលមាន centre របស់វានៅលើ :

a. Edmoide

b. Temporal

c. Appophyse crista-galli

d. Sphénoide

37 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

b. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

c. ទាំងបីខាងលើត្រូវ

d. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

38 / 60

When a survey line is high:

a. Circumferential clasp cannot be designed

b. A bar clasp can be given

c. A circumferential clasp can be given

d. Bar clasp cannot be given

39 / 60

In which of following mandibular position would you find the greats increase in VDO from centric occlusion?:

a. Centric relation

b. Postural position

c. Maximum protrusion

d. Anterior edge-to- edge position

40 / 60

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

a. Lingual flange of acrylic or border of metal base

b. A metal base or framework

c. Border of metal base

d. Denture framework

41 / 60

Internal occlusal rests are indicated in:

a. Tooth tissue supported class II designs

b. Tooth supported class III designs

c. All distal extension denture base designs

d. Tooth tissue supported class I designs

42 / 60

Functions of a Major connector:

a. component of RPD connect to acrylic resin

b. unification, stress distribution, cross arch stabilization

c. kind of metal chrome cobalt

d. functions as one unit

43 / 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. Centric occlusion, the tongue touches the palate

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

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

44 / 60

Supporting strut for ring clasp should be placed on the:

a. Near the retentive terminal

b. Retentive side of the clasp and Near the retentive terminal

c. Retentive side of the clasp

d. On the non retentive side of the abutment

45 / 60

Tripod of dental surveyor is the method used:

a. For giving clasp assemblies at 3 points

b. Surveyor for recording the relation of the cast to the surveyor

c. Surveyor to have reproducible position of the cast on the surveyor

d. Determine the undercut areas on the tooth

46 / 60

Ring Clasp:

a. មិនអាចទប់នឹងកំលាំងបង្វិល

b. អាចទប់នឹងកំលាំងបង្វិល

c. អាចទប់នឹងកំលាំងបណ្តោយ

d. ទាំង 3 ខាងលើត្រូវ

47 / 60

Tissue stops in impression tray aids in :

a. proper retention

b. anterior- posterior stabilization

c. stronger impression tray

d. better acrylic flow

48 / 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. all are corrected

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

49 / 60

Rest អាចសណ្តូកលើផ្ទៃ:

a. ខាង Mésial

b. Occlusal

c. Vestibulaire

d. Distale

50 / 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. Opposite stenon’s duct

c. Opposite the buccal pouch

d. In the glenoid fossa

51 / 60

The condyle on the working side is called the working condyle, which is also known as the:

a. orbiting condyle

b. rotating condyle

c. translatory condyle

d. balancing condyle

52 / 60

The major connector in this mandibular class I removable partial denture:

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

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 too close to the free gingival margins

53 / 60

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

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

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

c. Where there is more relief underneath proximal plate

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

54 / 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. connects major connector to all the components of RPD

d. allows a single path of placement of the RPD

55 / 60

Distal extension RPD is :

a. both tissue and tooth borne

b. tissue borne

c. class III condition

d. class IV condition

56 / 60

Stability is mainly against:

a. functional forces

b. horizontal forces and functional forces

c. horizontal forces

d. forces against removal of prosthesis

57 / 60

Lattice pattern is preferable for mesh pattern of minor connector to connect denture base to major connector because:

a. It gives excellent attachment while minimizing warping resin bases

b. It gives excellent attachment

c. Gives bulk to the minor connector

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

58 / 60

The internal and external finish line is:

a. Normally superimposed over each other

b. Normally designed and placed independently

c. Normally off set from each other to avoid weakness in the framework

d. None of the above statements are true

59 / 60

Considering the design of an RPD for the mandibular arch:

a. A dual path of insertion should be considered

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

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

d. Retentive clasps are required next to each edentulous space

60 / 60

La relation centrée les condyles នៅក្នុងៈ:

a. Cavité Glénoide

b. Ligament

c. Capsule

d. Ménisque

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត