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

តើមុខងាររបស់Dental Dam Forcepsគឺ៖:

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

b. To mark holes on dental dam

c. To isolate teeth for dental procedures

d. To anchor and stabilize dental dam

2 / 60

តើចម្លើយមួយណាជា Inverted Cone Bur :

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

b. To form inner walls of cavity preparation

c. To establish retention in tooth for cavity preparation

d. To remove caries

e. To cut cavity preparation

3 / 60

រូបភាពនេះជាអ្វី?:

a. Flat plastic

b. Amalgam plugger

c. Carver

4 / 60

Hand cutting instruments are composed of:

a. Handle and blade only

b. Handle , shank and blade

c. Handle and neck

d. Handle , neck and shank

e. Handle, neck, shank and blade.

5 / 60

ពេលបិតcomposite class 3 and class 4 តើគេយកឧបករណ៏អ្វីមកប្រើដើម្បើឲ្យរលោងនៅface interproximal surface :

a. Finishing Strip

b. Matrix Bands

c. Composite Burnisher

d. Applicator

6 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Discoid- Cleoid Carver

b. Woodson

c. Hollenback Carvers

7 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Glick Instrument :

a. To use for final filling of canal

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

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

8 / 60

រូបភាពនេះជាអ្វី?:

a. Trial Crown Remover

b. Contouring Pliers

c. Crown and bridge Scissors

9 / 60

Endodontic Plugger is used in:

a. To condense gutta percha vertically in canal

b. To mix filling materials

c. To introduce a filling material in caries cavity

d. To remove an obturation

10 / 60

តើមុខងាររបស់ Root – Tip Elevators:

a. To use on posterior teeth

b. To lift and remove fragment of root

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

11 / 60

រូបភាពនេះជាអ្វី?:

a. Prophy scaler

b. Push scaler

c. Jacquette scale

12 / 60

ចូររកចំលើយខុស១នៃ Flexible Mixing Spatula?:

a. To remove provisional crow

b. To mix dental materials

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

d. To remove provisional crow

13 / 60

តើមុខងាររបស់ Disposable prophy cup :

a. Deep grooves on lingual surface of anterior teeth

b. For polishing all surfaces of teeth

c. For polishing occlusal surfaces

14 / 60

Laboratory Spatula is used for :

a. To mix powder and liquid in a flexible bowl

b. Scaling

c. Removing of food debris and dentin

d. Mix material for impression

15 / 60

What is the function of the is Disposable Prophy Angle Attachments for slow – speed Handpiece :

a. To use with burs for intraoral and exraoral procedures

b. To use with slow- speed attachments

c. To polish teeth with prophylaxis / prophy cup or brush

16 / 60

រូបភាពនេះជាអ្វី?:

a. Ultrasonic Scaler Universal

b. Ultrasonic Scaler Furcation

c. Straight Sickle Scaler

17 / 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 finish and smooth interproximal surface of restoration

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

e. To finish and smooth interproximal surface of restoration

18 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Anterior Clamp

b. Premolar Clamp

c. Universal Clamp

19 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Suture Scissor

b. Hemotat

c. Needle Holder

20 / 60

រូបភាពនេះជាអ្វី?:

a. Matrix band

b. Clear matrix strip

c. Polishing strips

21 / 60

Material must be cured in increments of ?:

a. 4mm

b. 2mm

c. 3mm

22 / 60

Dental mouth Mirror can be:

a. Concave

b. Biconcave

c. Biconvex

d. Convex

23 / 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

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

24 / 60

Long Needle larger gauge number is indicates:

a. Small

b. Thinner needle

c. Big

25 / 60

តើមួយណាជាមុខងាររបស់ Furcation Probe :

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

b. To measure periodontal pocket depth in millimeter increments

c. To remove bon adjacent to teeth without causing trauma

26 / 60

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

a. Enamel Hoe

b. Angle Former

c. Straight Chisel

d. Binangle Chisel

27 / 60

មុខងាររបស់ Bone file:

a. To remove or smooth rough edges of alveolar bone

b. To separate tooth from alveolus

c. To separate and lift root from socket

28 / 60

Mouth Mirror មានតួនាទីអីខ្លះ:

a. To retract lips, cheeks and tongues

b. To examine teeth for decay

c. To plane and cleave enamel in cavity preparation

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

29 / 60

Information printed on cartridge. Example of common anesthetic for routine dental procedures:

a. 1/50 000

b. 1/80 000

c. 1/100 000

30 / 60

តើពណ៍មួយណារបស់Rubber Points ដែលសឹកខ្លាំងជាងគេ:

a. White point

b. Green point

c. Brown points

31 / 60

ចូររកចំលើយត្រូវ១នៃ Characteristics របស់ Root canal File- Hedstrom?:

a. Twisted triangular cutting edge

b. Twisted design

c. Triangular cutting edge

32 / 60

What is the function of Surgical Evacuation Tip:

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

b. To evacuate fluid from oral cavity and surgical sit

c. To retract tongue during evacuation

33 / 60

រកចម្លើយត្រូវ១របស់រូបរាងFile – K Type :

a. Twisted design- more twists per millimeter than reamer

b. Twisted triangular cutting edge

c. Triangular cutting edge

34 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Plugger with Scaler

b. Band Pusher

c. Band Seater Bite Stick

35 / 60

តើមុខងាររបស់Endodontic File K Type?:

a. To remove pulp tissue from canal

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

c. To clean inside walls of canal

36 / 60

រកចម្លើយខុស១របស់Peso File :

a. To open canal orifice

b. To prepare canal for endodontic post

c. To enlarge wall of pulp chamber

37 / 60

Anesthetic Cartridge មានចំណុះប៉ុន្មាន:

a. 3ml of anesthetic solution

b. 2ml of anesthetic solution1

c. 1.7ml to 1.8ml of anesthetic solution

d. 1.5ml to 1.8ml of anesthetic solution

38 / 60

រូបភាពនេះជាអ្វី?:

a. X ray holder

b. Rubber dam frame

c. Mouth prop

39 / 60

Matrix Band used for :

a. Finishing the obturation

b. Introduction filling material in cavity

c. Creation the contact point

d. To replace missing proximal wall

40 / 60

តើចម្លើយមួយណាជា Tapered Fissure Bur – Crosscut:

a. To place retention grooves in walls of cavity preparation

b. To form angles in walls of cavity preparation

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

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

e. To finish composite restoration

41 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To separate and lift root from socket

b. To loosen root

c. To use on posterior teeth

d. To lift and remove fragments of root

42 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Interdental File

b. Interdental Knife – spear Point

c. Back Action Hoe

43 / 60

Disposable prophy cup ប្រើសំរាប់polishing លើធ្មេញ :

a. For polishing all surface of teeth

b. For deep grooves on lingual surface of anterior teeth

c. For polishing occlusal surface

d. For polishing anterior teeth

44 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Band Pusher or Plugger with Scaler :

a. Single or double ended

b. Scaler

c. Band Push or Plugger

45 / 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

46 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Bracket Placement Card:

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

b. Used with pulling motion

c. Use with push motion

47 / 60

Diamonds superior for bur cutting ?:

a. Caries

b. Enamel

c. Cementum

d. Dentine

48 / 60

What is function of the Scaler Instrument Tip – Universal :

a. To remove bacterial plaque and general deposits

b. To remove bacterial plaque from furcation areas

c. To remove bacterial plaque from periodontal pockets

49 / 60

ដើម្បីយកpulp tissue ពីcanal គេប្រើឧបករណ៏អ្វី:

a. Broach

b. Reamer

c. File – Hedstrom

d. File- k type

50 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Elastic Separators

b. Orthodontic Band

c. Elastic Separating Pliers

51 / 60

តើEndodontic Explorer មានតួនាទី:

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

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

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

d. To smooth amalgam after condensing

52 / 60

រូបភាពនេះជាអ្វី?:

a. Surgical Curette

b. Periosteal Elevator

c. Suture Scissors

53 / 60

តួនាទីរបស់Gate Glidden Bur or Drillជ្រើសរើសចម្លើយត្រូវ១:

a. To clean inside wall of canal

b. To enlarge inner walls of canal

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

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

54 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ Burnishers:

a. To smooth amalgam after condensing

b. To carry and place temporary restorative material

c. To initial carving of amalgam

d. To contour matrix band before placement

55 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Dental Dam Template

b. Dental Dam Frame

c. Dental Dam Stamp

56 / 60

តើគេយកសម្ភារៈអ្វីមកបិតបំពេញ pulp chamber after completion of canal preparation:

a. Lentulo Spiral

b. Gutta- Percha

c. Paper Points

d. Endodontic Irrigating Syringe

57 / 60

Instruments used for handing resins are made of :

a. Teflon coated metal

b. Carbon steel

c. Stainless streel

d. Gold

58 / 60

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

a. It is smooth

b. It is dark brown

c. It is hard

d. It is grey

59 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Flexible Alginate Spatula:

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

b. To mix powder and liquid in flexible bowl

c. To place around contact area of tooth

60 / 60

រកចម្លើយខុស១របស់មុខងាររបស់Woodson :

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

b. To carve occlusal anatomy into amalgam restoration

c. To condense restorative material

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត