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. Paper points

b. Wedge

c. Gutta purcha point

2 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Ultrasonic Scaler Instrument Tip – Supragingival:

a. To use for root planning

b. To remove bacterial plaque from periodontal pockets

c. To remove supragingival calculus on teeth

3 / 60

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

a. It is grey

b. It is hard

c. It is dark brown

d. It is smooth

4 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Band Pusher or Plugger with Scaler :

a. Band Push or Plugger

b. Scaler

c. Single or double ended

5 / 60

រូបភាពនេះជាអ្វី?:

a. Matrix band

b. Polishing strips

c. Clear matrix strip

6 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ:

a. Lentulo Spiral

b. Gutta- Percha

c. Paper point

7 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Furcation Probe

b. Hoe

c. Periodontal Probe

8 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Interdental Knife – spear Point

b. Interdental File

c. Back Action Hoe

9 / 60

What is function of the Ultrasonic Scaling Unit ( Power Scaler)

a. To use with water – cooled ultrasonic tips vibrating at high frequency

b. To use for root planning

c. To remove supragingival calculus on teeth

10 / 60

Which groups of instruments are used in endodontic:

a. Instruments for finishing strip

b. Instruments for root canal filling

c. Enamel cutting instruments

d. Instruments for interproximal Condenser

11 / 60

រូបភាពនេះជាអ្វី?:

a. Rubberdam frane

b. Rubberdam punch

c. Rubberdam Clam

12 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់ Gutta – Percha :

a. To fill chamber after completion of canal preparation

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

c. To dry pulp chambers of canal

13 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Condenser ( plugger)

b. Burnishers

c. Interproximal Condenser

14 / 60

ចូរជ្រើសរើសពាក្យត្រូវ១ របស់ non resorbable suture material :

a. Suture Silk

b. Suture Polyglycolic( PGA)

c. Chromic gut

15 / 60

តើរកចម្លើយមួយត្រូវ របស់ Endodontic Plugger :

a. To help condense gutta- percha lateral in canal

b. To help condense gutta- percha vertically in canal

c. To carry and place material into tooth

16 / 60

What are the functions of the Orthodontic Bracket?

a. To place bracket on tooth for bonding

b. To hold and carry bracket by placing tip of plies into slot of bracket

c. To hold Orthodontic arch wire in place

17 / 60

រូបភាពនេះជាអ្វី?:

a. Applicator

b. Liner Applicator

c. Tanner Carver

18 / 60

រូបភាពនេះជាអ្វី?:

a. Flat plastic

b. Wax knife

c. Mixing spatula

19 / 60

Reamer មានតួនាទី៖:

a. To cut and smooth dentinal wall of canal

b. To measure file , reamer and materials in millimeter , To enlarge inner walls 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

e. To measure file , reamer and materials in millimeter

20 / 60

ដើម្បីយកpulp tissue ពីcanal គេប្រើឧបករណ៏អ្វី:

a. Broach

b. File- k type

c. Reamer

d. File – Hedstrom

21 / 60

Instruments used for handing resins are made of :

a. Gold

b. Teflon coated metal

c. Carbon steel

d. Stainless streel

22 / 60

Function for Finishing Strip:

a. To harden light cured material bonding, and composite, sealants, build-up material

b. To hold material etchant, bonding, and composite

c. To hold material etchant, bonding, and composite and To harden light cured material bonding, and composite, sealants, build-up material

d. To hold material etchant, bonding, and composite and To finish and smooth interproximal surface of restoration

e. To finish and smooth interproximal surface of restoration

23 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Pear Shaped Bur

b. Straight Fissure Bur

c. Inverted Cone Bur

24 / 60

Local anesthetic solution with highest tissue irritancy is :

a. Bupivacaine

b. Mepivacaine

c. Lignocaine

d. Procaine

25 / 60

រកចម្លើយខុសមួយរបស់ Inverted Cone Bur:

a. To cut retention cavity preparation

b. To finish composite restoration

c. To establish retention in tooth for cavity preparation

d. To form inner walls of cavity preparation

26 / 60

តើElastic Separators ដាក់លើធ្មេញលេខណា:

a. Cuspid

b. Premolars

c. Molar

d. Molars and premolars

27 / 60

រូបភាពនេះជាអ្វី?:

a. Occlusal wax

b. Modelling wax

c. Composition wax

28 / 60

Function for used of Wheel Burs are:

a. To reduce a tooth for crown preparation on lingual aspect of anterior teeth

b. Removal of temporary filling

c. Remove of cyst

d. To reduce a tooth for crown preparation for subgingival margins

29 / 60

តើមួយណាជាមុខងាររបស់Composite Disc:

a. To contour restoration material and To polish or smooth restorative material

b. To polish restorative material

c. To contour restoration material and To polish restorative material

d. To polish or smooth restorative material

e. To contour restoration material

30 / 60

តើមួយណាជាមុខងាររបស់Tongue and Cheek Retractor :

a. To hold tissue away from surgical site

b. To hold and retract tongue or cheek

c. To remove debris or granulation tissue

31 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់ Condenser :

a. To pack and condenser amalgam into cavity preparation

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

c. To carry and dispense amalgam for cavity preparation

d. To pack and condenser temporary filling material

32 / 60

រូបភាពនេះជាអ្វី?:

a. Needle holders

b. Scissors

c. Tissue dissecting forceps

33 / 60

ដើម្បីការពារកុំអោយងាប់pulp ពេលខៃធ្មេញយើងត្រូវការ៖?:

a. High –Speed Handpiece

b. Slow- speed

c. Water/air

34 / 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

35 / 60

Most common complication after tooth extraction is:

a. Swelling

b. Infection

c. Bleeding

d. Alveolar osteitis

36 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Finishing Strip

b. Applicator

c. Wooden Wedges

37 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Plugger with Scaler

b. Band Seater Bite Stick

c. Band Pusher

38 / 60

រូបភាពនេះជាអ្វី?:

a. Interdental strip

b. Floss strip

c. Polishing strip

39 / 60

រូបភាពនេះជាអ្វី?:

a. Mouth prop

b. X-ray holder

c. Rubber dam frame

40 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ១របស់ Amalgam Well :

a. To hold amalgam while loading amalgam carrier

b. To mix alloy and mercury into amalgam in a capsule

c. To hold amalgam before it is placed in preparation and To mix alloy and mercury into amalgam in a capsule

d. To hold amalgam before it is placed in preparation

e. To hold amalgam before it is placed in preparation and To hold amalgam while loading amalgam carrier

41 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Lentulo Spiral

b. Peso file

c. Reamer

42 / 60

រូបភាពនេះជាអ្វី?:

a. Root tip Picks

b. Root Tip Elevators

c. Root Elevators

43 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Cotton Forceps:

a. Pointed tips; sharp, thin, and flexible

b. Plain or serrated tips

c. Pointed or rounded

44 / 60

រកចម្លើយខុស១របស់Peso File :

a. To prepare canal for endodontic post

b. To enlarge wall of pulp chamber

c. To open canal orifice

45 / 60

តើចម្លើយមួយណាជា Diamond Bur – Flame:

a. To reduce a tooth for crown preparation on lingual aspect of anterior teeth and to reduce bulk of incisal edge

b. To reduce a tooth for crown preparation when parallel walls and flat floors are needed

c. To reduce a tooth for crown preparation for subgingival margins

46 / 60

Basic Dental Instruments មានឧបករណ៏អ្វីខ្លះ:

a. Cotton Forceps

b. Explorer

c. Condenser

d. Mouth mirror, Explorer and Cotton Forceps

e. Mouth mirror

47 / 60

រូបភាពនេះជាអ្វី?:

a. Couplands Chise

b. Warrick James elevator

c. Cryers

48 / 60

What is function of Matrix Bands:

a. To maintain stability of matrix band during condensation of restorative material for class II

b. To replace missing proximal wall or walls of cavity preparation for condensation of restorative material for class II

c. To hold matrix band in place a long gingival margin of class II , class III or class IV

49 / 60

Long Needle មានប្រវែងប៉ុន្មាន:

a. 3 inches long

b. 2 inches long

c. 1.5/8 inches long

d. 1 inch long

50 / 60

រកចម្លើយខុស១នៃ មុខងាររបស់Air Abasion Unit and Handpiece Attachment:

a. To control bleeding

b. To use for preparation of occlusal surface for sealants

c. To use for class I or class IV cavity preparation

51 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់ Universal Curettes:

a. Rounded back and toe ; At 70 -degree angle to lower shank

b. Black –two cutting edges , round toe , rounded back At 90- degree angle to lower shank

c. Black –two cutting edges, With face at 90 -degree angle to lower shank

52 / 60

តើ Enamel Hatchet ប្រើ motion មួយណា?

a. Use with pulling and push motion

b. Use with push motion

c. Used with pulling motion

53 / 60

What is function of Saliva Ejector Tip:

a.  To evacuate smaller volumes of fluid from the oral cavity

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

c. Use on mandibular arch

54 / 60

Function for Dental Dam Frame :

a. To anchor

b. To hold dental dam away from teeth

c. To anchor and stabilize dental dam

55 / 60

តើStraight Chisel ប្រើ motion មួយណា?

a. Use with pulling and push motion

b. Use with push motion

c. Used with pulling motion

56 / 60

Diamonds superior for bur cutting ?:

a. Caries

b. Enamel

c. Dentine

d. Cementum

57 / 60

តើMandibular Universal Forceps –Cryer លេខប៉ុន្មាន?:

a. No. 17

b. No.150

c. No. 151

58 / 60

ពេលបិតcomposite class 3 and class 4 តើគេយកឧបករណ៏អ្វីមកប្រើដើម្បើឲ្យរលោងនៅface interproximal surface :

a. Applicator

b. Matrix Bands

c. Composite Burnisher

d. Finishing Strip

59 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ Burnishers:

a. To carry and place temporary restorative material

b. To smooth amalgam after condensing

c. To initial carving of amalgam

d. To contour matrix band before placement

60 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់ Straight Sickle Scaler:

a. Two cutting edges on curved blade that ends in sharp point

b. Two cutting edges on straight blade that ends in sharp point

c. Two cutting edges

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត