Dental Material Test

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1 / 60

តើ Enamel Hatchet គេប្រើចលនាយ៉ាងម្តេច:

a. Push motion

b. Pulling motion

c. Cutting edge at an angle

2 / 60

តួនាទីរបស់របស់Orthodontic Hemostat:

a. To hold during surgical procedure

b. To grasp tissue or bone fragments

c. To tie in ligature to arch wire

d. To hold and place separators or tie ligatures to arch wire

3 / 60

មុខងារមួយណាប្រើសំរាប់Disposable prophy cup:

a. For polishing occlusal surfaces and For polishing deep grooves on lingual surfaces of anterior teeth

b. For polishing deep grooves on lingual surfaces of anterior teeth

c. For polishing all surfaces of teeth

d. For polishing occlusal surfaces

4 / 60

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

a. Enamel Hoe

b. Straight Chisel

c. Binangle Chisel

d. Angle Former

5 / 60

Calcium hydroxide is used for :

a. Reduce maginal leakage

b. Pulp capping

c. Reinforce the restoration

d. To prevent recurrent caries

6 / 60

Which groups of instruments are used in endodontic:

a. Instruments for finishing strip

b. Instruments for interproximal Condenser

c. Instruments for root canal filling

d. Enamel cutting instruments

7 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Dental Dam Stamp

b. Dental Dam Frame

c. Dental Dam Template

8 / 60

Basic Dental Instruments មានឧបករណ៏អ្វីខ្លះ:

a. Mouth mirror, Explorer and Cotton Forceps

b. Cotton Forceps

c. Mouth mirror

d. Condenser

e. Explorer

9 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់ Gutta – Percha :

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

b. To dry pulp chambers of canal

c. To fill chamber after completion of canal preparation

10 / 60

High – speed Hand piece ល្បឿនខ្យល់រត់ក្នុង១នាទីមានប៉ុនា្មនជុំ(rotation):

a. 550,000

b. 450,000

c. 30,000

d. 350,000

11 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To use on posterior teeth

b. To loosen root

c. To lift and remove fragments of root

d. To separate and lift root from socket

12 / 60

រកចម្លើយត្រូវមួយរបស់Endodontic File – K Type :

a. To hold endodontic files and reamers

b. To cut and smooth dentinal walls of canal

c. To clean inside wall of canal

d. To enlarge and smooth inner wall of canal

13 / 60

តើStraight Chisel ប្រើ motion មួយណា?

a. Use with pulling and push motion

b. Used with pulling motion

c. Use with push motion

14 / 60

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

a. To evacuate fluid from oral cavity and surgical site

b. To retract tongue during evacuation

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

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

15 / 60

what the longer lasting anesthetic has a higher percentage of vasoconstrictor :

a. 1/80000

b. 1/100000

c. 1/50000

16 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Flexible Alginate Spatula:

a. To place around contact area of tooth

b. To mix powder and liquid in flexible bowl

c. To mix laboratory paster, stone , and die stone for models

17 / 60

Mouth Mirror មានតួនាទីអីខ្លះ:

a. To examine teeth for decay

b. To retract lips, cheeks and tongues

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

d. To plane and cleave enamel in cavity preparation

18 / 60

រកចម្លើយត្រូវ១របស់រូបរាងFile – K Type :

a. Triangular cutting edge

b. Twisted triangular cutting edge

c. Twisted design- more twists per millimeter than reamer

19 / 60

ចូរជ្រើសរើសចម្លើយ១សំរាប់ To contour or cut models in the laboratory:

a. Rubber Points

b. Laboratory Bur – Acrylic Bur

c. Laboratory Bur-Diamond Disc

d. Magnetic Bur Block with Burs

20 / 60

រូបភាពនេះជាអ្វី?:

a. Toflemire matrix retainer

b. Siqveland retainer

c. Interdental strip

21 / 60

Material must be cured in increments of ?:

a. 3mm

b. 2mm

c. 4mm

22 / 60

Reamer មានតួនាទី:

a. To cut and smooth dentinal wall of canal and 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

23 / 60

រូបភាពនេះជាអ្វី?:

a. Rotary file

b. Endo file

c. Finger spreader

24 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Bracket Placement Card:

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

b. Use with push motion

c. Used with pulling motion

25 / 60

រូបភាពនេះជាអ្វី?:

a. Finger spreader

b. Mandrel

c. Gates glidden

26 / 60

តើគេយកសម្ភារៈអ្វីមកបិតបំពេញ pulp chamber after completion of canal preparation:

a. Gutta- Percha

b. Endodontic Irrigating Syringe

c. Lentulo Spiral

d. Paper Points

27 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Band Pusher or Plugger with Scaler :

a. Scaler

b. Single or double ended

c. Band Push or Plugger

28 / 60

ដើម្បីយកpulp tissue ពីcanal គេប្រើឧបករណ៏អ្វី:

a. File – Hedstrom

b. Reamer

c. Broach

d. File- k type

29 / 60

រូបភាពនេះជាអ្វី?:

a. Prophy scaler

b. Push scaler

c. Jacquette scale

30 / 60

រូបភាពនេះជាអ្វី?:

a. Back Action Hoe

b. Cotton force

c. Periodontal Probe

31 / 60

រកចម្លើយខុសមួយរបស់ Electric Hand piece Unit and hand piece Attachments :

a. To use with depth drills for implants

b. To use with bur for intraoral cavity preparation

c. To use with bur for trimming of provisional crowns

d. To use with endodontic nickel – titanium rotary instruments

32 / 60

Liner Applicator មានតួនាទីសំរាប់:

a. To place calcium hydroxide or glass ionomer in cavity

b. To carry and dispense amalgam for cavity

c. To pack and condense amalgam into cavity

33 / 60

ចូលជ្រើសរើសមុខងាររបស់Surgical Electrical Hand piece Unit:

a. To use with depth drills for implants

b. To use with endodontics nickel –titanium rotary instruments

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

d. To use with bur for intraoral cavity preparation

34 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Interdental Knife – spear Point

b. Interdental File

c. Back Action Hoe

35 / 60

ពេលបិតcomposite class 3 and class 4 តើគេយកឧបករណ៏អ្វីមកប្រើដើម្បើឲ្យរលោងនៅface interproximal surface :

a. Finishing Strip

b. Composite Burnisher

c. Matrix Bands

d. Applicator

36 / 60

រូបភាពនេះជាអ្វី?:

a. Occlusal wax

b. Composition wax

c. Modelling wax

37 / 60

រូបភាពនេះជាអ្វី?:

a. Periosteal Elevator

b. Surgical Curette

c. Suture Scissors

38 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Cotton Forceps:

a. Plain or serrated tips

b. Pointed or rounded

c. Pointed tips; sharp, thin, and flexible

39 / 60

តើHigh –Speed Handpiece មានប៉ុន្មានបែប:

a. ៣

b. ៦

c. ៥

d. ៤

40 / 60

Function for used of Wheel Burs are:

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

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

c. Remove of cyst

d. Removal of temporary filling

41 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Diamond Bur – Wheel

b. Finishing Bur

c. Diamond Bur – flame

42 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Wooden Wedges

b. Applicator

c. Finishing Strip

43 / 60

រូបភាពនេះជាអ្វី?:

a. Rubberdam Clam

b. Rubberdam frane

c. Rubberdam punch

44 / 60

What is function of Saliva Ejector Tip:

a. Use on mandibular arch

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

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

45 / 60

រូបភាពនេះជាអ្វី?:

a. Contouring Pliers

b. Trial Crown Remover

c. Crown and bridge Scissors

46 / 60

រូបភាពនេះជាអ្វី?:

a. Ultrasonic Scaler Universal

b. Ultrasonic Scaler Furcation

c. Straight Sickle Scaler

47 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Broach

b. Endodontic File K

c. Endodontic File – Hedstrom

48 / 60

ចូររកចំលើយខុស១នៃ Flexible Mixing Spatula?:

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

b. To remove provisional crow

c. To mix dental materials

d. To remove provisional crow

49 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Root – Tip Elevator

b. Luxating Elevator

c. Root Elevators

50 / 60

ចូរជ្រើសរើសមុខងាររបស់ Laboratory Bur- Diamond Disc :

a. To cut models or trim acrylic in laboratory

b. To be used on dental tray setups

c. To contour or cut models in the laboratory

51 / 60

រូបភាពនេះជាអ្វី?:

a. Wooden wedges

b. Tooth pick

c. Interdental pick

52 / 60

រកចម្លើយខុស១របស់Peso File :

a. To prepare canal for endodontic post

b. To open canal orifice

c. To enlarge wall of pulp chamber

53 / 60

គុណសម្បត្តិរបស់Dental Dam មាន៖:

a. អ្នកជំងឺហាមាត់បានតិច

b. កាត់បន្ថយការចំលងមេរោគ

c. កាត់បន្ថយការចំលងមេរោគ, ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

d. ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

e. អ្នកជំងឺហាមាត់បានតិច, កាត់បន្ថយការចំលងមេរោគ

54 / 60

រូបភាពនេះជាអ្វី?:

a. Explorer

b. Periodontal Probe

c. Furcation probe

55 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Glick Instrument :

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

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

c. To use for final filling of canal

56 / 60

រកចម្លើយត្រូវមួយ របស់ ឧបករណ៏ Luxating Elevator:

a. To cut periodontal ligaments before extraction

b. To separate and lift tooth from socket

c. To loose tooth from periodontal ligaments before extraction

57 / 60

តើមួយណាជាមុខងាររបស់ Orthodontic Hemostat :

a. To place and remove arch wires

b. To remove bonded brackets

c. To hold and place separators

58 / 60

រូបភាពនេះជាអ្វី?:

a. Endodontic Spreader

b. Lentulo Spiral

c. Endodontic Plugger

59 / 60

Needle used for infiltration is:

a. 30 gauge

b. 16 gauge

c. 27gauge

d. 25 gauge

60 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Glick Instrument

b. Endodontic Plugger

c. Endodontic Spreader

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត