Dental Material Test

1 votes, 5 avg

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

រូបភាពនេះជាអ្វី?:

a. Clear matrix strip

b. Matrix band

c. Polishing strips

2 / 60

រូបភាពនេះជាអ្វី?:

a. Finger spreader

b. Gates glidden

c. Mandrel

3 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Back Action Hoe

b. Interdental Knife – spear Point

c. Interdental File

4 / 60

រូបភាពនេះជាអ្វី?:

a. Periodontal Probe

b. Explorer

c. Furcation probe

5 / 60

Dental mouth Mirror can be:

a. Convex

b. Biconcave

c. Concave

d. Biconvex

6 / 60

គុណសម្បត្តិរបស់Dental Dam មាន:

a. អ្នកជំងឺហាមាត់បានតិច

b. កាត់បន្ថយការចំលងមេរោគ

c. ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

d. កាត់បន្ថយការចំលងមេរោគ and ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

7 / 60

រូបភាពនេះជាអ្វី?:

a. Root Tip Elevators

b. Root Elevators

c. Root tip Picks

8 / 60

មុខងាររបស់ Trial Crown Remover ?:

a. To seat permanent crown while patient bites in centric occlusion

b. To remove permanent crown from tooth during try- in phase , to remove provisional crown

c. To remove provisional crown

d. To remove permanent crown from tooth during try- in phase

9 / 60

តើពណ៍មួយណារបស់Rubber Points ដែលសឹកខ្លាំងជាងគេ:

a. Brown points

b. White point

c. Green point

10 / 60

តើមុខងាររបស់ High- Volume (velocity) Evacuator ( HVE) Tip :

a. To evacuate large volumes of fluid and debris from the oral cavity

b. To evacuate fluid from oral cavity and surgical site

c. To retract tongue during evacuation

d. To evacuate smaller volumes of fluid from the oral cavity

11 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Glick Instrument :

a. To serve excess gutta- percha after plugger end is heated

b. To use for final filling of canal

c. To condense gutta- percha into endodontically prepared teeth using pluger end

12 / 60

ចូរជ្រើសរើសចម្លើយ១សំរាប់ To contour or cut models in the laboratory:

a. Laboratory Bur-Diamond Disc

b. Magnetic Bur Block with Burs

c. Laboratory Bur – Acrylic Bur

d. Rubber Points

13 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់Composite Placement Instruments:

a. To apply conditioning, primer, and bonding material to cavity preparation

b. To carry composite material in cavity preparation

c. To form occlusal anatomy in composite restorations

14 / 60

Dental Dam Punch តើចម្លើយមួយណាសំរាប់ចោះ Dental dam ដាក់លើធ្មេញ molars:

a. No. 4

b. No. 2

c. N o. 3

d. No. 5

15 / 60

គុណសម្បត្តិរបស់Dental Dam មាន៖:

a. កាត់បន្ថយការចំលងមេរោគ

b. ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

c. កាត់បន្ថយការចំលងមេរោគ, ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

d. អ្នកជំងឺហាមាត់បានតិច

e. អ្នកជំងឺហាមាត់បានតិច, កាត់បន្ថយការចំលងមេរោគ

16 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Finishing Strip

b. Wooden Wedges

c. Applicator

17 / 60

រូបភាពនេះជាអ្វី?:

a. Amalgam plugger

b. Flat plastic

c. Carver

18 / 60

រូបភាពនេះជាអ្វី?:

a. Scissors

b. Rubberdam tweezers

c. Rubberdam Clamp

19 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Cotton Forceps:

a. Plain or serrated tips

b. Pointed tips; sharp, thin, and flexible

c. Pointed or rounded

20 / 60

រកចម្លើយខុសមួយនៃ Slow-speed Motor with contra Angle Handpiece :

a. To polish teeth with prophy cup or brush

b. To remove decay

c. To polish amalgam restoration

21 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To lift and remove fragments of root

b. To loosen root

c. To use on posterior teeth

d. To separate and lift root from socket

22 / 60

រូបភាពនេះជាអ្វី?:

a. Tissue Forceps

b. Hemostat

c. Needle Holder

23 / 60

តើមួយណាជាមុខងាររបស់Elastic Separating Pliers:

a. To separate teeth to banding a tooth for orthodontic braces

b. To grip place separators around contact area of tooth

c. To place around contact area of tooth

24 / 60

Diamonds superior for bur cutting ?:

a. Enamel

b. Dentine

c. Caries

d. Cementum

25 / 60

How can you identify bon the floor of the pulp Chamber in molar:

a. It is hard

b. It is smooth

c. It is grey

d. It is dark brown

26 / 60

រកចម្លើយត្រូវមួយ របស់ ឧបករណ៏ Luxating Elevator:

a. To loose tooth from periodontal ligaments before extraction

b. To cut periodontal ligaments before extraction

c. To separate and lift tooth from socket

27 / 60

For the extirpation of entire pulp, necrotic debris, and foreign material, one should use:

a. Plain broaches

b. Files

c. Bures

d. Reamers

e. Barbed Broaches

28 / 60

រូបភាពនេះជាអ្វី?:

a. Wedge

b. Gutta purcha point

c. Paper points

29 / 60

រូបភាពនេះជាអ្វី?:

a. X ray holder

b. Rubber dam frame

c. Mouth prop

30 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Diamond Bur – flame

b. Diamond Bur – Wheel

c. Finishing Bur

31 / 60

តើមួយណាជាមុខងាររបស់ Orthodontic Hemostat :

a. To place and remove arch wires

b. To remove bonded brackets

c. To hold and place separators

32 / 60

រូបភាពនេះជាអ្វី?:

a. Ultrasonic Scaler Furcation

b. Straight Sickle Scaler

c. Ultrasonic Scaler Universal

33 / 60

រូបភាពនេះជាអ្វី?:

a. Rubber dam frame

b. Mouth prop

c. X-ray holder

34 / 60

រូបភាពនេះជាអ្វី?:

a. Interdental pick

b. Tooth pick

c. Wooden wedges

35 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Endodontic File – Hedstrom

b. Endodontic File K

c. Broach

36 / 60

រូបភាពនេះជាអ្វី?:

a. Siqveland retainer

b. Interdental strip

c. Toflemire matrix retainer

37 / 60

High – speed Hand piece ល្បឿនខ្យល់រត់ក្នុង១នាទីមានប៉ុនា្មនជុំ(rotation):

a. 350,000

b. 550,000

c. 30,000

d. 450,000

38 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់ Gutta – Percha :

a. To place endodontic sealer or cement in canal for final seal before placement of gutta –percha

b. To fill chamber after completion of canal preparation

c. To dry pulp chambers of canal

39 / 60

តើMatrix Bands for Universal band ដាក់លើធ្មេញណា?

a. For all posterior teeth except larger teeth

b. For larger molars

c. For premolars

40 / 60

What is the function of Air/ Water Syringe with Removable Tip:

a. To use with bur to cut tooth with decay or other dental anomalies

b. To rinse and dry specific teeth or entire oral cavity

41 / 60

រូបភាពនេះជាអ្វី?:

a. Tanner Carver

b. Liner Applicator

c. Applicator

42 / 60

Hand cutting instruments are composed of:

a. Handle , shank and blade

b. Handle and blade only

c. Handle, neck, shank and blade.

d. Handle , neck and shank

e. Handle and neck

43 / 60

រូបភាពនេះជាអ្វី?:

a. Amalgam mixer

b. Saliva ejector

c. Mouth prop

44 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Luxating Elevator

b. Root Elevators

c. Root – Tip Elevator

45 / 60

Laboratory Spatula is used for :

a. Mix material for impression

b. To mix powder and liquid in a flexible bowl

c. Scaling

d. Removing of food debris and dentin

46 / 60

To remove subgingival / supragingival calculus

a. To remove tissue

b. To remove bone adjacent to teeth without causing trauma

c. To remove subgingival / supragingival calculus

47 / 60

Mouth Mirror មានតួនាទីអីខ្លះ:

a. To plane and cleave enamel in cavity preparation

b. To examine teeth for decay

c. To grasp or transfer material into and out of the oral cavity

d. To retract lips, cheeks and tongues

48 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់ Condenser :

a. To pack and condenser temporary filling material

b. To pack and condenser amalgam into cavity preparation

c. To carry and dispense amalgam for cavity preparation

d. To pack and condenser amalgam into interproximal areas of cavity preparation

49 / 60

រូបភាពនេះជាអ្វី?:

a. Straight Sickle Scaler

b. Universal Curettes

c. Implant Scaler

50 / 60

Reamer មានតួនាទី:

a. To measure file , reamer and materials in millimeter

b. To cut and smooth dentinal wall of canal

c. To enlarge inner walls of canal

d. To cut and smooth dentinal wall of canal and To enlarge inner walls of canal

51 / 60

ដើម្បីការពារកុំអោយងាប់pulp ពេលខៃធ្មេញយើងត្រូវការ៖?:

a. Water/air

b. Slow- speed

c. High –Speed Handpiece

52 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing Cup

b. Polishing brush

c. Polishing bur

53 / 60

តើEndodontic file and reamers ពណ៏ខៀវលេខប៉ុន្មាន:

a. No. 20

b. No. 25

c. No. 30

54 / 60

តើReamer ប្រើmotion អី :

a. Used with twisting motion

b. Used to cut and smooth dentinal walls of canal

c. Used with push – pull motion

55 / 60

មុខងាររបស់ Rongeurs:

a. To contour alveolar bone after single or multiple extractions

b. To trim and remove excess alveolar bone after extraction of teeth

c. To remove or smooth rough edges of alveolar bone

56 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Bracket Placement Card:

a. Used with pulling motion

b. Use with push motion

c. Tape on card holds bracket in place before they are bonded to teeth

57 / 60

Instruments used for handing resins are made of :

a. Teflon coated metal

b. Carbon steel

c. Stainless streel

d. Gold

58 / 60

រូបភាពនេះជាអ្វី?:

a. Contouring Pliers

b. Trial Crown Remover

c. Crown and bridge Scissors

59 / 60

រូបភាពនេះជាអ្វី?:

a. Composition wax

b. Modelling wax

c. Occlusal wax

60 / 60

Function for Dental Dam Frame :

a. To hold dental dam away from teeth

b. To anchor

c. To anchor and stabilize dental dam

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត