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

Tissue stops are useful in:

a. Engaging buccal slope of the residual ridge

b. Stabilizing framework during processing

c. Stops the tissue impingement by tray

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

2 / 60

The reduced thickness of minor connector contact guiding plane buccally:

a. Helps to abut the artificial tooth more closely to natural tooth

b. Helps in more resistance to forces

c. Prevents food trap more efficiently

d. Helps in stability

3 / 60

ទំពក់ Circlet មានៈ:

a. ការទ្រទ្រង់បានរឹងមាំ

b. ការទ្រទ្រង់មិនសូវរឹងមាំ

c. ការទប់ទល់ទំងន់មិនសូវល្អ

d. ការទប់ទល់នឹងកំលាំងផ្តេកមិនសូវបានល្អ

4 / 60

Multiple clasps are joined at :

a. Back of occlusal rests

b. Tip of retentive terminals

c. Back of the minor connector

d. Tip of reciprocal terminals

5 / 60

Bar type configuration of clasps can also be used for:

a. Stabilization

b. Reciprocation

c. Sustentation

d. Retention

6 / 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

7 / 60

Deepest part of a rest seat is towards:

a. Central fossa

b. Disto-lingual line angle

c. Disto- buccal line angle

d. Marginal ridge

8 / 60

Class IV Kennedy classification is :

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

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

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

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

9 / 60

The internal and external finish line is:

a. Normally designed and placed independently

b. None of the above statements are true

c. Normally superimposed over each other

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

10 / 60

សារៈប្រយោជន៍នៃធ្មេញដាក់ដោះមួយផ្នែកដើម្បីៈ:

a. ដាក់ជាប់តែម្តង

b. ដាក់ដូចជាធ្មេញជាប់

c. ដាក់ដោះសំអាត

d. ដាក់ត្រាំត្រែងក្នុងមាត់

11 / 60

Minor Connector តភ្ជាប់ទៅៈ:

a. Major Connector

b. Denture Base

c. Artificial teeth

d. Abutment

12 / 60

Modification spaces are :

a. spaces anterior to all teeth

b. spaces posterior to all teeth

c. additional space in class IV

d. spaces other than the original class

13 / 60

The function of minor connector is :

a. connects major connector to all the components of RPD

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

c. presents gingival displacement of RPD

d. allows a single path of placement of the RPD

14 / 60

A tissue undercut may preclude the selection of:

a. A combination clasp

b. An infrabulge clasp

c. A half and half clasp

d. A suprabulge clasp

15 / 60

Back Action Clasp:

a. ងាយខូចទ្រង់ទ្រាយ

b. រឹងខ្លាំង

c. ពិបាកនឹងពត់

d. ស្វិតខ្លាំង

16 / 60

Impression:

a. ក្រឡុកនៅលើពុម្ពធ្មេញ

b. គន្លងនៅលើពុម្ពធ្មេញ

c. ស្នាមដែលគេយកពុម្ពលើក្រអូមធ្មេញ

d. ក្រហែងនៅលើពុម្ពធ្មេញ

17 / 60

The external finish line is:

a. the external of framework metal and denture base plastic

b. the external of framework metal and the natural teeth

c. the external of the natural teeth and the denture base plastic

d. the external of framework metal and supporting tissues

18 / 60

Following are true for I bar clasp, except:

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

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

c. Whole arm of the clasp contacts abutment

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

19 / 60

The kennedy classification of this RPD is:

a. Kennedy class I mod I

b. Kennedy class II

c. kennedy class II mod I

d. Kennedy class I

20 / 60

Full palatal plate:

a. Six or less anterior teeth remain

b. Six or more anterior teeth remain

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

d. Connector of choice in short distal extension cases

e. Minimum tissue support

21 / 60

Ring Clasp ប្រើលើធ្មេញដែលៈ:

a. គន្លាក់ទប់ច្រើន

b. មានពកច្រើន

c. ទាំង 3 ខាងលើត្រូវ

d. មិនសូវមានគន្លាក់ទប់

22 / 60

Following are true for distal extension denture base RPD except:

a. If relining is required, metal denture base can be replaced

b. Metal denture bases can be used when the tissues are displaced

c. Metal denture bases can be used

d. More resorption occurs at the distal most end of edentulous area

23 / 60

Floor of the rest seat should be:

a. Flat

b. Convex

c. Spoon shaped

d. Concave

24 / 60

Advantage of internal occlusal rest are following except:

a. Eliminates visible clasp arm

b. Provide retention

c. Rest seat is located in a more favorable position

d. Provides support and stabilization

25 / 60

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

a. horse –shoe

b. palatal plate

c. anterior posterior palatal strap

d. modified palatal strap

26 / 60

A lingual plate major connector may be selected be cause

a. the mandibular incisors are tilted facially, high floor of the mouth

b. the mandibular incisors are tilted facially, mandibular tori present ,high lingual fremum

c. the mandibular incisors are tilted lingually ,high floor of the mouth, high lingual frenum

d. the mandibular incisors are tilted lingually, mandibular tori present, high lingual frenum

27 / 60

Body ភ្ជាប់ពី Rest ទៅៈ:

a. Minor Connector

b. Reciprocal arm

c. Retentive terminale

d. Retentive Clasp Arm

28 / 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

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

29 / 60

Classification of lever system is based on location of:

a. Direction of effort

b. Resistance

c. Are all corrected

d. Fulcrum line

30 / 60

Rest:

a. is placed on rest seat always

b. need not have rest seat

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

d. mainly offers stability

31 / 60

La dimension vertical d’équilibre de repos នៅក្នុងមាត់ធ្មេញមុខមានចន្លោះ:

a. 2 à 4mm

b. 3 à 4mm

c. 1 à 2mm

d. 2 à 3mm

32 / 60

Denture Base គឺជាកន្លែងដែលគេដាំៈ:

a. គ្រាប់ធ្មេញ

b. ជាតិ Ionomer

c. ជាតិ Ciment

d. គ្រាប់ Amalgame

33 / 60

Retentive Arm :

a. ទាំង 3ខាងលើត្រូវ

b. ដាក់លើបន្ទាត់ស្ទង់

c. ដាក់ពីចំហៀងបន្ទាត់ស្ទង់

d. ដាក់ក្រោមបន្ទាត់ស្ទង់

34 / 60

La relation centrée les condyles នៅក្នុងៈ:

a. Cavité Glénoide

b. Ligament

c. Capsule

d. Ménisque

35 / 60

Occlusal rest preparation should be:

a. at least one millimetre deep

b. spoon shaped

c. all are correct

d. at least 1/3 the bucco lingual width of the occlusal surface

36 / 60

An ideal design framework of RPD should be:

a. As guiding planes

b. Locate the height of contour

c. All are correct

d. Locate retention areas

e. Determine the path of insertion

37 / 60

Retainer:

a. ប្រដាប់ដាក់លើធ្មេញដែលកប់ក្នុងឆ្អឹង

b. ប្រដាប់ដាក់បង្កប់នៅក្នុងជាតិនីឡុងធ្មេញ

c. ប្រដាប់ដែលដាក់លើធ្មេញដែលដកចេញ

d. ប្រដាប់ដាក់ភ្ជាប់ទៅនឹងធ្មេញជន្ទល់

38 / 60

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

a. type and accuracy of the impression registration

b. Quality of the residual ridge

c. ]all are corrected

d. occlusal load applied

39 / 60

The superior border of mandibular lingual bar major connector should be:

a. at least 3mm from the tooth/ junction

b. at least 3mm above the tooth/ junction

c. as far from gingival margin as possible

d. at least 3mm from the tooth/ tissue junction

40 / 60

Reciprocal Arm នៅពេលបញ្ចូល វាត្រូវតែប៉ះមុន:

a. Retentive arm

b. Rest

c. Shoulder

d. Terminal arm

41 / 60

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

a. Quality of framework

b. Potential guide surfaces

c. Depend on patient

d. Depend on survey line

42 / 60

Most common complaint of the patient with a thick palatal bar in a RPD is :

a. difficulty in pressing the food backward and swallowing

b. loss of taste sensation

c. distortion under occlusal stress

d. poor dissipation of force due to rigidity

43 / 60

Support គឺការទ្រក្រាសធ្មេញអោយ :

a. ទ្រេតចេញ

b. ទ្រេតចូល

c. មានលំនឹង

d. ធ្លាក់ចុះ

44 / 60

Distance of indirect retainer from fulcrum line is affected by following, except:

a. Length of distal extension base

b. Rigidity of the indirect retainer

c. Location of fulcrum line

d. Location of principal abutment

45 / 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 IV mod. II

b. Class I mod. II

c. Class I mod. I

d. Class II mod. I

46 / 60

Indirect Retainer គឺជាផ្នែកនៃការក្រាស់ធ្មេញ ប្រឆាំងលើកន្លែងៈ:

a. ម្ខាងទៀតដែលគ្មានអ័ក្សកំណល់

b. ទាំងបីខាងលើត្រូវ

c. ម្ខាងទៀតដែលអ័ក្សកំណល់នៅឆ្ងាយ

d. ម្ខាងទៀតដែលផ្ទុយគ្នានៃអ័ក្សកំណល់

47 / 60

ទិសដៅធ្មេញដោះដាក់មួយផ្នែកអោយមានទំរង់ៈ:

a. មុខមាត់តូច

b. មុខល្អ

c. មុខវៀច

d. មុខមាត់ធំ

48 / 60

Function of denture bases :

a. support and retain denture teeth

b. stress distribution surface area

c. all are corrected

d. improve esthetics

49 / 60

Requirements of a Major connector:

a. partial denture acts as one unit

b. distributes functional loads to both teeth and mucosa

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

d. connects various parts

50 / 60

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

a. whitening acrylic resin and artificial teeth

b. increased caries activity

c. corrosion of the metal the framework

d. increased periodontal problems

51 / 60

In a circumferential clasp assembly, the arms may extend into an undercut:

a. The bracing arm and retentive arm

b. The retentive arm

c. The bracing arm

d. The reciprocating arm and retentive arm

52 / 60

For the preparation of rest seat:

a. The outline to have greater length than width

b. Marginal ridge should be reduced by 25 mm

c. The outline to have greater width than length

d. Marginal ridge should be reduced by 1 mm

53 / 60

The basic movement of mandible:

a. hinge ,lateral and translatory movement

b. lateral movement

c. hinge movement

d. translatory movement

54 / 60

The kennedy classification of this RPD is:

a. Class I mod I

b. class II mod I

c. class IV mod II

d. class I mod II

55 / 60

Guiding plane are:

a. usually parallel

b. usually multiple and usually parallel

c. usually single

d. usually multiple

56 / 60

លក្ខខ័ណ្ឌដែលត្រូវធ្វើធ្មេញដាក់ដោះមួយផ្នែកដែលកន្លែងអត់ធ្មេញមានៈ:

a. ប្រឡោះធំទូលាយ

b. ប្រហោងតូច

c. ប្រឡោះដែលគ្មានធ្មេញតែមួយកន្លែង

d. ប្រហោងចង្អៀត

57 / 60

The kennedy classification of this RPD is…….in the mandibular with missing teeth #35, 36 #46:

a. Kennedy class III mod. I

b. Kennedy class III

c. Kennedy class II mod. I

d. Kennedy class IV mod. I

58 / 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. Depend on extension denture base

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

59 / 60

Which of the following steps is done LAST ?:

a. Framework try in

b. Centric relation records

c. Rest preparation

d. Altered cast impression

60 / 60

An ideal design a major connector should possess the following qualities:

a. All are correct

b. Rigidity

c. Stress distribution

d. Unification

e. Cross Arch stabilization

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត