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. Surgical Chisel

b. Rongeur

c. Maxillary Root Forceps

2 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ spoon Excavator:

a. To remove temporary crowns

b. To remove pulp tissue from canal

c. To remove carious dentin

d. To remove temporary cement in temporary restorative

3 / 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

4 / 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

5 / 60

តើចម្លើយមួយណាជា Tapered Fissure Bur – Crosscut:

a. To form angles in walls of cavity preparation

b. To place retention grooves in walls of cavity preparation and To form angles in walls of cavity preparation

c. To place retention grooves in walls of cavity preparation

d. To finish composite restoration

e. To finish composite restoration and To form angles in walls of cavity preparation

6 / 60

តើគេយកសម្ភារៈអ្វីមកបិតបំពេញ pulp chamber after completion of canal preparation:

a. Gutta- Percha

b. Endodontic Irrigating Syringe

c. Lentulo Spiral

d. Paper Points

7 / 60

Reamer មានតួនាទី៖:

a. To cut and smooth dentinal wall of canal

b. To measure file , reamer and materials in millimeter

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

d. To enlarge inner walls of canal

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

8 / 60

Dental mouth Mirror can be:

a. Concave

b. Biconcave

c. Biconvex

d. Convex

9 / 60

រូបភាពនេះជាអ្វី?:

a. Floss strip

b. Polishing strip

c. Interdental strip

10 / 60

រូបភាពនេះជាអ្វី?:

a. Occlusal wax

b. Modelling wax

c. Composition wax

11 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Bracket Placement Card:

a. Used with pulling motion

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

c. Use with push motion

12 / 60

Long Needle larger gauge number is indicates:

a. Big

b. Small

c. Thinner needle

13 / 60

Reamer មានតួនាទី:

a. To measure file , reamer and materials in millimeter

b. To enlarge inner walls of canal

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

d. To cut and smooth dentinal wall of canal

14 / 60

រូបភាពនេះជាអ្វី?:

a. Couplands Chisel

b. Elevator

c. Luxator

15 / 60

តើមុខងាររបស់ Disposable prophy cup :

a. Deep grooves on lingual surface of anterior teeth

b. For polishing occlusal surfaces

c. For polishing all surfaces of teeth

16 / 60

រូបភាពនេះជាអ្វី?:

a. Tissue dissecting forceps

b. Needle holders

c. Scissors

17 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ:

a. Lentulo Spiral

b. Gutta- Percha

c. Paper point

18 / 60

The final finishing of silicate/ glass ionomess restoration is done after?:

a. 1 hours

b. 30 minutes

c. 7 ½ minute

d. 24 hours

19 / 60

រូបភាពនេះជាអ្វី?:

a. Trial Crown Remover

b. Crown and bridge Scissors

c. Contouring Pliers

20 / 60

រូបភាពនេះជាអ្វី?:

a. Paster filer

b. Endo hand file

c. Barbed broach

21 / 60

What is the function of the Hollenback Carvers?

a. To condense restorative material

b. To trim interproximal amalgam restoration, recreating contour of proximal wall

c. To contour and carver occlusal and interproximal anatomy in other restorative and temporary filling material

22 / 60

មុខងាររបស់ Woodson:

a. To contour and carve occlusal and interproximal anatomy in amalgam restorations

b. To carry and place temporary restorative material for cavity preparation

c. To carry and place temporary restorative material for cavity preparation and To contour and carve occlusal and interproximal anatomy in amalgam

d. To carve occlusal anatomy into amalgam rstorations

23 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Electric Handpiece Unit and Handpiece Attachments:

a. To use with endodontic nickel titanium rotary instruments

b. To use with bur for intraoral cavity preparation

c. To use with depth drills for implants

24 / 60

តើមុខងាររបស់ Root – Tip Elevators:

a. To lift and remove small root tips in difficult area

b. To lift and remove fragment of root

c. To use on posterior teeth

25 / 60

ចូររកចំលើយត្រូវ១នៃ Endodontic Long Shank Spoon Excavator ?:

a. To carry and dispense irrigating solution into canal for cleansing during debridement of canal

b. To locate opening of small canal orifices for endodontic

c. To curet inside of tooth to base of pulp chamber

26 / 60

តើEndodontic Explorer មានតួនាទី:

a. To curette inside of tooth to base of pulp chamber

b. To smooth amalgam after condensing

c. To grasp and lock material for transfer into and out of oral cavity

d. To locate opening of small canal orifices or endodontics procedure

27 / 60

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

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

b. To use for preparation of occlusal surface for sealants

c. To remove lesions or tumors

28 / 60

High – speed Hand piece ល្បឿនខ្យល់រត់ក្នុង១នាទីមានប៉ុនា្មនជុំ(rotation):

a. 450,000

b. 550,000

c. 350,000

d. 30,000

29 / 60

Function for Finishing Strip:

a. To finish and smooth interproximal surface of restoration

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

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

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

30 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Inverted Cone Bur

b. Pear Shaped Bur

c. Straight Fissure Bur

31 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Peso File :

a. Plugger end

b. Parallel cutting edges

c. Flat tip

32 / 60

តួនាទីរបស់របស់Orthodontic Hemostat:

a. To grasp tissue or bone fragments

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

c. To tie in ligature to arch wire

d. To hold during surgical procedure

33 / 60

រកចម្លើយខុសមួយរបស់ Inverted Cone Bur:

a. To cut retention cavity preparation

b. To form inner walls of cavity preparation

c. To establish retention in tooth for cavity preparation

d. To finish composite restoration

34 / 60

តើមុខងាររបស់Dental Dam Forcepsគឺ៖:

a. To isolate teeth for dental procedures

b. To mark holes on dental dam

c. To anchor and stabilize dental dam

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

35 / 60

តើមួយណាជាមុខងាររបស់Pear- Shaped Bur :

a. To for inner walls of cavity preparation

b. To establish retention in tooth for cavity preparation

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

d. To remove caries

36 / 60

តើ Enamel Hatchet គេប្រើចលនាយ៉ាងម្តេច:

a. Cutting edge at an angle

b. Pulling motion

c. Push motion

37 / 60

Laboratory Spatula is used for :

a. To mix powder and liquid in a flexible bowl

b. Mix material for impression

c. Scaling

d. Removing of food debris and dentin

38 / 60

រូបភាពនេះជាអ្វី?:

a. Paper points

b. Gutta purcha point

c. Wedge

39 / 60

Liner Applicator មានតួនាទីសំរាប់:

a. To place calcium hydroxide or glass ionomer in cavity

b. To pack and condense amalgam into cavity

c. To carry and dispense amalgam for cavity

40 / 60

Basic Dental Instruments មានឧបករណ៏អ្វីខ្លះ:

a. Explorer

b. Mouth mirror, Explorer and Cotton Forceps

c. Mouth mirror

d. Cotton Forceps

e. Condenser

41 / 60

ដើម្បីការពារកុំអោយងាប់pulp ពេលខៃធ្មេញយើងត្រូវការ៖?:

a. Water/air

b. High –Speed Handpiece

c. Slow- speed

42 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To use on posterior teeth

b. To separate and lift root from socket

c. To lift and remove fragments of root

d. To loosen root

43 / 60

Enamel Hatchet គេប្រើវាសំរាប់ធ្វើ :

a. To plane and cleave enamel in cavity

b. To remove enamel not supported by dentin

c. To clean and smooth walls in cavity preparation and To remove enamel not supported by dentin

d. To clean and smooth floor and walls in cavity preparation

e. To clean and smooth walls in cavity preparation

44 / 60

Local anesthetic solution with highest tissue irritancy is :

a. Lignocaine

b. Bupivacaine

c. Mepivacaine

d. Procaine

45 / 60

តើElastic Separators ដាក់លើធ្មេញលេខណា:

a. Molars and premolars

b. Premolars

c. Cuspid

d. Molar

46 / 60

រកចម្លើយខុសមួយរបស់ Electric Hand piece Unit and hand piece Attachments :

a. To use with depth drills for implants

b. To use with endodontic nickel – titanium rotary instruments

c. To use with bur for trimming of provisional crowns

d. To use with bur for intraoral cavity preparation

47 / 60

មុខងាររបស់ Diamond Bur- Wheel :

a. To reduce bulk of incisal edges

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

c. To reduce a tooth for crown preparation on lingual aspect of anterior teeth ,To reduce bulk of incisal edges

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

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

48 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Maxillary Universal Forceps

b. Mandibular Anterior Forceps

c. Maxillary Root Firceps

49 / 60

តើMandibular Universal Forceps –Cryer លេខប៉ុន្មាន?:

a. No. 151

b. No.150

c. No. 17

50 / 60

Instruments used for handing resins are made of :

a. Stainless streel

b. Gold

c. Carbon steel

d. Teflon coated metal

51 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Applicator

b. Wooden Wedges

c. Finishing Strip

52 / 60

រកចម្លើយខុស១របស់មុខងាររបស់Woodson :

a. To condense restorative material

b. To carry and place temporary restorative material for cavity preparation

c. To carve occlusal anatomy into amalgam restoration

53 / 60

តើមូយណាមុខងាររបស់ Tissue Forceps :

a. To hold blade in place

b. To hold tissue during surgical procedures

c. To cut tissue with blade

d. To cut tissue

54 / 60

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

a. To use for root planning

b. To remove supragingival calculus on teeth

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

55 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Dental Dam Frame

b. Dental Dam Template

c. Dental Dam Stamp

56 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់Band Seater- Bite Stick:

a. To remove excess material after cementation or bonding of bands

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

c. To Assist seating or placing of orthodontic bands for try in or cementing phase

57 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Lentulo Spiral

b. Peso file

c. Reamer

58 / 60

រូបភាពនេះជាអ្វី?:

a. Wax knife

b. Carver

c. Spatula

59 / 60

រូបភាពនេះជាអ្វី?:

a. X ray holder

b. Rubber dam frame

c. Mouth prop

60 / 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 for subgingival margins

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

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត