Dental Material 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

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

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

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

2 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ:

a. Paper point

b. Gutta- Percha

c. Lentulo Spiral

3 / 60

តើមុខងាររបស់ Edodontic Spreader គឺអ្វីជ្រើសរើសចម្លើយ១:

a. To carry and place material into tooth

b. To help condense gutta percha vertical in canal

c. To help condense gutta percha lateral in canal

4 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Periodontal Probe

b. Hoe

c. Furcation Probe

5 / 60

Dental mouth Mirror can be:

a. Concave

b. Convex

c. Biconcave

d. Biconvex

6 / 60

រូបភាពនេះជាអ្វី?:

a. Ultrasonic Scaler Universal

b. Straight Sickle Scaler

c. Ultrasonic Scaler Furcation

7 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing bur

b. Polishing brush

c. Polishing Cup

8 / 60

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

a. To use for root planning

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

c. To remove supragingival calculus on teeth

9 / 60

What is the function of the Laser Handpiece Unit and Laser Handpiece Attachment:

a. To remove lesions or tumors

b. To use for preparation of occlusal surface for sealants

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

10 / 60

Which of the following is the appropriate file for removing gutta- percha from root canals?:

a. K file

b. H file

c. S file

11 / 60

រកចម្លើយខុសមួយរបស់ Inverted Cone Bur:

a. To cut retention cavity preparation

b. To establish retention in tooth for cavity preparation

c. To finish composite restoration

d. To form inner walls of cavity preparation

12 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Anterior Clamp

b. Premolar Clamp

c. Universal Clamp

13 / 60

រូបភាពនេះជាអ្វី?:

a. Articulating paper

b. Polishing strip

c. Wax

14 / 60

តើមុខងាររបស់Dental Dam Forcepsគឺ៖:

a. To isolate teeth for dental procedures

b. To mark holes on dental dam

c. To place dental dam clamp on tooth and to remove clamp after procedure

d. To anchor and stabilize dental dam

15 / 60

រូបភាពនេះជាអ្វី?:

a. Retraction cord

b. Suture needle and silk

c. Floss

16 / 60

រូបភាពនេះជាអ្វី?:

a. Spatula

b. Carver

c. Wax knife

17 / 60

Long Needle larger gauge number is indicates:

a. Thinner needle

b. Big

c. Small

18 / 60

តួនាទីរបស់Gate Glidden Bur or Drillជ្រើសរើសចម្លើយត្រូវ១:

a. To open canal orifice and enlarge wall of pulp chamber

b. To electronically measure length of canal to apex of tooth

c. To enlarge inner walls of canal

d. To clean inside wall of canal

19 / 60

Diamonds superior for bur cutting ?:

a. Enamel

b. Caries

c. Dentine

d. Cementum

20 / 60

រូបភាពនេះជាអ្វី?:

a. Surgical Curette

b. Periosteal Elevator

c. Suture Scissors

21 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Band Pusher or Plugger with Scaler :

a. Scaler

b. Single or double ended

c. Band Push or Plugger

22 / 60

What are the functions of the Orthodontic Bracket?

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

b. To place bracket on tooth for bonding

c. To hold Orthodontic arch wire in place

23 / 60

What is function to form or accentuate line angles in cavity preparation :

a. Enamel Hoe

b. Binangle Chisel

c. Straight Chisel

d. Angle Former

24 / 60

what is function of the Extended Area – Specific Curette – Anterior

a. To scale an rmove deposits from subgingival surface of posterior teeth

b. To scale and remove deposits in deep periodontal pockets 5mm or deeper

c. To use for root planning

25 / 60

រូបភាពនេះជាអ្វី?:

a. Back Action Hoe

b. Cotton force

c. Periodontal Probe

26 / 60

តើគេយកសម្ភារៈអ្វីមកបិតបំពេញ pulp chamber after completion of canal preparation:

a. Gutta- Percha

b. Lentulo Spiral

c. Paper Points

d. Endodontic Irrigating Syringe

27 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Maxillary Root Firceps

b. Mandibular Anterior Forceps

c. Maxillary Universal Forceps

28 / 60

រូបភាពនេះជាអ្វី?:

a. Tissue Forceps

b. Needle Holder

c. Hemostat

29 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ១របស់ Amalgam Well :

a. To hold amalgam before it is placed in preparation

b. To hold amalgam while loading amalgam carrier

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

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

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

30 / 60

តើចម្លើយមួយណាជា Inverted Cone Bur :

a. To form inner walls of cavity preparation

b. To remove caries

c. To remove caries and To establish retention in tooth for cavity preparation

d. To establish retention in tooth for cavity preparation

e. To cut cavity preparation

31 / 60

តើEndodontic file and reamers ពណ៏ខៀវលេខប៉ុន្មាន:

a. No. 20

b. No. 30

c. No. 25

32 / 60

រូបភាពនេះជាអ្វី:

a. Surgical Chisel

b. Surgical Mallet

c. Bone File

33 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់ Condenser :

a. To carry and dispense amalgam for cavity preparation

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

c. To pack and condenser amalgam into cavity preparation

d. To pack and condenser temporary filling material

34 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Straight Fissure Bur

b. Pear Shaped Bur

c. Inverted Cone Bur

35 / 60

ចូលជ្រើសរើសមុខងាររបស់Surgical Electrical Hand piece Unit:

a. To use for class I or class VI cavity preparation

b. To use with depth drills for implants

c. To use with bur for intraoral cavity preparation

d. To use with endodontics nickel –titanium rotary instruments

36 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Hollenback Carvers

b. Woodson

c. Discoid- Cleoid Carver

37 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To use on posterior teeth

b. To lift and remove fragments of root

c. To separate and lift root from socket

d. To loosen root

38 / 60

Function for Dental Dam Frame :

a. To anchor

b. To hold dental dam away from teeth

c. To anchor and stabilize dental dam

39 / 60

តើមួយណាជាមុខងាររបស់Pear- Shaped Bur :

a. To for inner walls of cavity preparation

b. To establish retention in tooth for cavity preparation

c. To remove caries

d. To open tooth for a restoration and to remove caries!

40 / 60

រូបភាពនេះជាអ្វី?:

a. Matrix band

b. Polishing strips

c. Clear matrix strip

41 / 60

Reamer មានតួនាទី៖:

a. To measure file , reamer and materials in millimeter , To enlarge inner walls of canal

b. To measure file , reamer and materials in millimeter

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 cut and smooth dentinal wall of canal

42 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Applicator

b. Finishing Strip

c. Wooden Wedges

43 / 60

រូបភាពនេះជាអ្វី?:

a. Scissors

b. Tissue dissecting forceps

c. Needle holders

44 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Rongeurs

b. Bone file

c. Surgical Chisel

45 / 60

ដើម្បីយកpulp tissue ពីcanal គេប្រើឧបករណ៏អ្វី:

a. File- k type

b. File – Hedstrom

c. Broach

d. Reamer

46 / 60

តើចម្លើយមួយណាជា Diamond Bur – Flame:

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

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

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

47 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Dental Dam Template

b. Dental Dam Frame

c. Dental Dam Stamp

48 / 60

រកចម្លើយត្រូវមួយរបស់Endodontic File – K Type :

a. To hold endodontic files and reamers

b. To clean inside wall of canal

c. To enlarge and smooth inner wall of canal

d. To cut and smooth dentinal walls of canal

49 / 60

រូបភាពនេះជាអ្វី?:

a. Couplands Chisel

b. Elevator

c. Luxator

50 / 60

រូបភាពនេះជាអ្វី?:

a. Tissue Scissors

b. Tissue Forceps

c. Hemostat

51 / 60

មុខងាររបស់ Trial Crown Remover ?:

a. To remove provisional crown

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

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

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

52 / 60

រូបភាពនេះជាអ្វី?:

a. Finger spreader

b. Endo file

c. Rotary file

53 / 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

54 / 60

Dental Dam Punch តើចម្លើយមួយណាសំរាប់ចោះ Dental dam ដាក់លើធ្មេញ molars:

a. No. 4

b. No. 2

c. No. 5

d. N o. 3

55 / 60

High – speed Hand piece ល្បឿនខ្យល់រត់ក្នុង១នាទីមានប៉ុនា្មនជុំ(rotation):

a. 350,000

b. 30,000

c. 550,000

d. 450,000

56 / 60

Function for used of Wheel Burs are:

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

b. Remove of cyst

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

d. Removal of temporary filling

57 / 60

Instruments used for handing resins are made of :

a. Carbon steel

b. Teflon coated metal

c. Stainless streel

d. Gold

58 / 60

តើElastic Separators ដាក់លើធ្មេញលេខណា:

a. Premolars

b. Molars and premolars

c. Cuspid

d. Molar

59 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Burnishers

b. Condenser ( plugger)

c. Interproximal Condenser

60 / 60

តើមួយណាជាមុខងាររបស់ Furcation Probe :

a. To measure periodontal pocket depth in millimeter increments

b. To remove bon adjacent to teeth without causing trauma

c. To measure horizontal and vertical pocket depth of multi root teeth in furcation areas

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត