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 the longer lasting anesthetic has a higher percentage of vasoconstrictor :

a. 1/100000

b. 1/80000

c. 1/50000

2 / 60

Necessary instruments for patient examination are :

a. Basic dental instruments

b. Burs

c. Dental spatula

d. Peso File

3 / 60

តើ Anterior Clamp ដាក់លើធ្មេញណាខ្លះ :

a. Used only on anterior teeth

b. Used on right or left posterior molars

c. Used is determined by tooth size

4 / 60

រូបភាពនេះជាអ្វី?:

a. Suture needle and silk

b. Retraction cord

c. Floss

5 / 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

6 / 60

តើមួយណាជាមុខងាររបស់Tongue and Cheek Retractor :

a. To hold and retract tongue or cheek

b. To remove debris or granulation tissue

c. To hold tissue away from surgical site

7 / 60

រូបភាពនេះជាអ្វី?:

a. Couplands Chisel

b. Luxator

c. Elevator

8 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Broach

b. Endodontic File – Hedstrom

c. Endodontic File K

9 / 60

រូបភាពនេះជាអ្វី?:

a. X ray holder

b. Rubber dam frame

c. Mouth prop

10 / 60

តើ Enamel Hatchet គេប្រើចលនាយ៉ាងម្តេច:

a. Push motion

b. Cutting edge at an angle

c. Pulling motion

11 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing bur

b. Polishing brush

c. Polishing Cup

12 / 60

Most common complication after tooth extraction is:

a. Swelling

b. Bleeding

c. Infection

d. Alveolar osteitis

13 / 60

ចូររកចំលើយខុស១នៃ Flexible Mixing Spatula?:

a. To mix dental materials

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

c. To remove provisional crow

d. To remove provisional crow

14 / 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 use for root planning

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

15 / 60

Needle used for infiltration is:

a. 27gauge

b. 16 gauge

c. 30 gauge

d. 25 gauge

16 / 60

តើEndodontic Explorer មានតួនាទី:

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

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

c. To smooth amalgam after condensing

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

17 / 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 remove lesions or tumors

c. To use for preparation of occlusal surface for sealants

18 / 60

គុណសម្បត្តិរបស់Dental Dam មាន:

a. ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

b. កាត់បន្ថយការចំលងមេរោគ and ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

c. កាត់បន្ថយការចំលងមេរោគ

d. អ្នកជំងឺហាមាត់បានតិច

19 / 60

តួនាទីរបស់Gate Glidden Bur or Drillជ្រើសរើសចម្លើយត្រូវ១:

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

b. To enlarge inner walls of canal

c. To clean inside wall of canal

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

20 / 60

រូបភាពនេះជាអ្វី?:

a. Back Action Hoe

b. Cotton force

c. Periodontal Probe

21 / 60

តើMatrix Bands for Universal band ដាក់លើធ្មេញណា?

a. For all posterior teeth except larger teeth

b. For larger molars

c. For premolars

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

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

d. To finish and smooth interproximal surface of restoration

e. To hold material etchant, bonding, and composite

23 / 60

Which groups of instruments are used in endodontic:

a. Instruments for root canal filling

b. Instruments for finishing strip

c. Enamel cutting instruments

d. Instruments for interproximal Condenser

24 / 60

What different High – Speed Handpiece of securing bur are available:

a. 2

b. 3

c. 4

25 / 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 contour restoration material

e. To polish or smooth restorative material

26 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Finishing Strip

b. Wooden Wedges

c. Applicator

27 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Bone file

b. Surgical Chisel

c. Rongeurs

28 / 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

29 / 60

What is the function of the Hollenback Carvers?

a. To condense restorative material

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

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

30 / 60

Long Needle larger gauge number is indicates:

a. Small

b. Big

c. Thinner needle

31 / 60

ចូរជ្រើសរើសចម្លើយត្រូវមួយរបស់ឧបករណ៏ Composite Disc:

a. To polish restorations , amalgam , composite and gold

b. To Contour restorative material

c. To polish or smooth restorative material

d. To Contour restorative material and To polish or smooth restorative material

32 / 60

រូបភាពនេះជាអ្វី?:

a. Needle holders

b. Scissors

c. Tissue dissecting forceps

33 / 60

What is the function of Surgical Evacuation Tip:

a. To retract tongue during evacuation

b. To evacuate fluid from oral cavity and surgical sit

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

34 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ:

a. Paper point

b. Gutta- Percha

c. Lentulo Spiral

35 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Back Action Hoe

b. Interdental Knife – spear Point

c. Interdental File

36 / 60

High – speed Hand piece ល្បឿនខ្យល់រត់ក្នុង១នាទីមានប៉ុនា្មនជុំ(rotation):

a. 450,000

b. 550,000

c. 30,000

d. 350,000

37 / 60

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

a. 1/100 000

b. 1/50 000

c. 1/80 000

38 / 60

រកចម្លើយត្រូវមួយ របស់ ឧបករណ៏ Luxating Elevator:

a. To loose tooth from periodontal ligaments before extraction

b. To cut periodontal ligaments before extraction

c. To separate and lift tooth from socket

39 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Endodontic Plugger

b. Glick Instrument

c. Endodontic Spreader

40 / 60

Material must be cured in increments of ?:

a. 3mm

b. 4mm

c. 2mm

41 / 60

ចូររកចំលើយខុស១នៃ Resorbable suture :

a. polypylene

b. Gut plain

c. Chromic gut

42 / 60

រូបភាពនេះជាអ្វី?:

a. Endodontic Plugger

b. Endodontic Spreader

c. Lentulo Spiral

43 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Periodontal Probe

b. Furcation Probe

c. Hoe

44 / 60

What is function of Matrix Bands:

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

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

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

45 / 60

តើReamer ប្រើmotion អី :

a. Used with twisting motion

b. Used with push – pull motion

c. Used to cut and smooth dentinal walls of canal

46 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Elastic Separators

b. Elastic Separating Pliers

c. Orthodontic Band

47 / 60

Disposable prophy cup ប្រើសំរាប់polishing លើធ្មេញ :

a. For deep grooves on lingual surface of anterior teeth

b. For polishing anterior teeth

c. For polishing all surface of teeth

d. For polishing occlusal surface

48 / 60

តើចម្លើយ១របស់មុខងាររបស់Laser Handpiece Unit:

a. To remove lesion or tumor

b. To remove lesion or tumor and To use for preparation of occlusal surface for sealants

c. To control bleeding

d. To remove lesion or tumor and To control bleeding

e. To use for preparation of occlusal surface for sealants

49 / 60

រកចម្លើយខុស១របស់Peso File :

a. To enlarge wall of pulp chamber

b. To prepare canal for endodontic post

c. To open canal orifice

50 / 60

Long Needle មានប្រវែងប៉ុន្មាន:

a. 3 inches long

b. 1 inch long

c. 2 inches long

d. 1.5/8 inches long

51 / 60

តើពណ៍មួយណារបស់Rubber Points ដែលសឹកខ្លាំងជាងគេ:

a. Green point

b. White point

c. Brown points

52 / 60

ចូររកចំលើយត្រូវ១នៃ Endodontic Long Shank Spoon Excavator ?:

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

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

c. To locate opening of small canal orifices for endodontic

53 / 60

មុខងាររបស់ Diamond Bur- Wheel :

a. To reduce bulk of incisal edges

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

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

54 / 60

To remove subgingival / supragingival calculus

a. To remove bone adjacent to teeth without causing trauma

b. To remove subgingival / supragingival calculus

c. To remove tissue

55 / 60

រូបភាពនេះជាអ្វី?:

a. Ball Burnisher

b. Amalgam plugger

c. Amalgam burnisher

56 / 60

រូបភាពនេះជាអ្វី?:

a. Wax knife

b. Mixing spatula

c. Flat plastic

57 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Electric Handpiece Unit and Handpiece Attachments:

a. To use with depth drills for implants

b. To use with bur for intraoral cavity preparation

c. To use with endodontic nickel titanium rotary instruments

58 / 60

មុខងាររបស់ Woodson:

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

b. To carve occlusal anatomy into amalgam rstorations

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

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

59 / 60

Matrix Band used for :

a. Creation the contact point

b. To replace missing proximal wall

c. Finishing the obturation

d. Introduction filling material in cavity

60 / 60

រកចម្លើយត្រូវមួយរបស់Endodontic File – K Type :

a. To clean inside wall of canal

b. To enlarge and smooth inner wall of canal

c. To cut and smooth dentinal walls of canal

d. To hold endodontic files and reamers

Your score is

The average score is 94%

Any comments?

Any problems/errors or mistakes found while testing, please let us know for modification!

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត