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

រូបភាពនេះជាអ្វី?:

a. Endodontic Spreader

b. Lentulo Spiral

c. Endodontic Plugger

2 / 60

ចូររកចំលើយត្រូវ១នៃ Crown and Bridge Scissors ?:

a. To crimp and contour marginal edge of temporary crown

b. To trim custom temporary crowns

c. To trim aluminum temporary crowns on gingival side, to trim custom temporary crowns

d. To trim custom temporary crowns

3 / 60

តើចម្លើយមួយណាជា Inverted Cone Bur :

a. To cut cavity preparation

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

c. To establish retention in tooth for cavity preparation

d. To remove caries

e. To form inner walls of cavity preparation

4 / 60

What is function of Matrix Bands:

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

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

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

5 / 60

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

a. 2

b. 3

c. 4

6 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Electric Handpiece Unit and Handpiece Attachments:

a. To use with bur for intraoral cavity preparation

b. To use with endodontic nickel titanium rotary instruments

c. To use with depth drills for implants

7 / 60

តើមុខងាររបស់ Disposable prophy cup :

a. For polishing all surfaces of teeth

b. Deep grooves on lingual surface of anterior teeth

c. For polishing occlusal surfaces

8 / 60

Mouth Mirror មានតួនាទីអីខ្លះ:

a. To retract lips, cheeks and tongues

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

c. To plane and cleave enamel in cavity preparation

d. To examine teeth for decay

9 / 60

Biologically active sealer which promote peri-apical healing contain:

a. Zinc phosphate

b. Silver-points

c. Cortico- steroids

d. Ca(OH)2

e. 2no Engenol

10 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Wooden Wedges

b. Finishing Strip

c. Applicator

11 / 60

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

a. It is dark brown

b. It is grey

c. It is smooth

d. It is hard

12 / 60

រូបភាពនេះជាអ្វី?:

a. Tissue Forceps

b. Needle Holder

c. Hemostat

13 / 60

រូបភាពនេះជាអ្វី?:

a. Ball Burnisher

b. Amalgam plugger

c. Amalgam burnisher

14 / 60

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

a. 1/80000

b. 1/100000

c. 1/50000

15 / 60

តើមួយណាជាមុខងាររបស់Elastic Separating Pliers:

a. To place around contact area of tooth

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

c. To grip place separators around contact area of tooth

16 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Glick Instrument :

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

b. To use for final filling of canal

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

17 / 60

រូបភាពនេះជាអ្វី?:

a. Rubberdam punch

b. Rubberdam Clam

c. Rubberdam frane

18 / 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

19 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To loosen root

b. To lift and remove fragments of root

c. To separate and lift root from socket

d. To use on posterior teeth

20 / 60

ចូររកចំលើយត្រូវ១នៃ Characteristics របស់ Root canal File- Hedstrom?:

a. Twisted design

b. Triangular cutting edge

c. Twisted triangular cutting edge

21 / 60

រូបភាពនេះជាអ្វី?:

a. Periodontal Probe

b. Back Action Hoe

c. Cotton force

22 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Root – Tip Elevator

b. Root Elevators

c. Luxating Elevator

23 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Universal Clamp

b. Premolar Clamp

c. Anterior Clamp

24 / 60

រូបភាពនេះជាអ្វី?:

a. Saliva ejector

b. Amalgam mixer

c. Mouth prop

25 / 60

មុខងាររបស់ Bone file:

a. To separate and lift root from socket

b. To separate tooth from alveolus

c. To remove or smooth rough edges of alveolar bone

26 / 60

តើចម្លើយ១របស់មុខងាររបស់Laser Handpiece Unit:

a. To use for preparation of occlusal surface for sealants

b. To remove lesion or tumor and To control bleeding

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

d. To remove lesion or tumor

e. To control bleeding

27 / 60

រូបភាពនេះជាអ្វី?:

a. Clear matrix strip

b. Polishing strips

c. Matrix band

28 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ Burnishers:

a. To initial carving of amalgam

b. To smooth amalgam after condensing

c. To contour matrix band before placement

d. To carry and place temporary restorative material

29 / 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

30 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ១របស់ Matrix Band Retainer:

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

b. To hold matrix band in place along gingival margin of class II, class III or class preparation

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

31 / 60

តើពណ៍មួយណារបស់Rubber Points ដែលសឹកខ្លាំងជាងគេ:

a. White point

b. Green point

c. Brown points

32 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់Composite Placement Instruments:

a. To form occlusal anatomy in composite restorations

b. To carry composite material in cavity preparation

c. To apply conditioning, primer, and bonding material to cavity preparation

33 / 60

តើមួយណាជាមុខងាររបស់ Orthodontic Hemostat :

a. To hold and place separators

b. To remove bonded brackets

c. To place and remove arch wires

34 / 60

Local anesthetic solution with highest tissue irritancy is :

a. Bupivacaine

b. Mepivacaine

c. Lignocaine

d. Procaine

35 / 60

What is the function of Surgical Evacuation Tip:

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

b. To retract tongue during evacuation

c. To evacuate fluid from oral cavity and surgical sit

36 / 60

Hand cutting instruments are composed of:

a. Handle and blade only

b. Handle, neck, shank and blade.

c. Handle , shank and blade

d. Handle and neck

e. Handle , neck and shank

37 / 60

តើMandibular Universal Forceps –Cryer លេខប៉ុន្មាន?:

a. No. 151

b. No.150

c. No. 17

38 / 60

តើមួយណាជាមុខងាររបស់ Furcation Probe :

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

b. To remove bon adjacent to teeth without causing trauma

c. To measure periodontal pocket depth in millimeter increments

39 / 60

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

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

b. To retract tongue during evacuation

c. To evacuate fluid from oral cavity and surgical site

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

40 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Endodontic File K

b. Broach

c. Endodontic File – Hedstrom

41 / 60

មុខងារមួយណាប្រើសំរាប់Disposable prophy cup:

a. For polishing occlusal surfaces

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

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

d. For polishing all surfaces of teeth

42 / 60

Function for Dental Dam Frame :

a. To anchor

b. To hold dental dam away from teeth

c. To anchor and stabilize dental dam

43 / 60

តើUniversal Maxillary Forceps លេខប៉ុន្មាន?:

a. No. 16

b. No.17

c. No. 10S

44 / 60

Needle used for infiltration is:

a. 30 gauge

b. 25 gauge

c. 16 gauge

d. 27gauge

45 / 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

46 / 60

រូបភាពនេះជាអ្វី?:

a. Liner Applicator

b. Applicator

c. Tanner Carver

47 / 60

រូបភាពនេះជាអ្វី?:

a. Gutta purcha point

b. Wedge

c. Paper points

48 / 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

49 / 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

50 / 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 hold Orthodontic arch wire in place

c. To place bracket on tooth for bonding

51 / 60

Which groups of instruments are used in endodontic:

a. Instruments for finishing strip

b. Instruments for root canal filling

c. Enamel cutting instruments

d. Instruments for interproximal Condenser

52 / 60

រូបភាពនេះជាអ្វី?:

a. Root Elevators

b. Root tip Picks

c. Root Tip Elevators

53 / 60

ចូរជ្រើសរើសចម្លើយ១សំរាប់ To contour or cut models in the laboratory:

a. Laboratory Bur – Acrylic Bur

b. Rubber Points

c. Laboratory Bur-Diamond Disc

d. Magnetic Bur Block with Burs

54 / 60

រូបភាពនេះជាអ្វី?:

a. Floss

b. Suture needle and silk

c. Retraction cord

55 / 60

ចូររកចំលើយខុស១នៃ Resorbable suture :

a. Chromic gut

b. polypylene

c. Gut plain

56 / 60

រូបភាពនេះជាអ្វី?:

a. Surgical Curette

b. Suture Scissors

c. Periosteal Elevator

57 / 60

តួនាទីរបស់របស់Orthodontic Hemostat:

a. To tie in ligature to arch wire

b. To grasp tissue or bone fragments

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

d. To hold during surgical procedure

58 / 60

រូបភាពនេះជាអ្វី?:

a. Scissors

b. Rubberdam tweezers

c. Rubberdam Clamp

59 / 60

រកចម្លើយត្រូវមួយរបស់Endodontic File – K Type :

a. To cut and smooth dentinal walls of canal

b. To hold endodontic files and reamers

c. To clean inside wall of canal

d. To enlarge and smooth inner wall of canal

60 / 60

Enamel Hatchet គេប្រើវាសំរាប់ធ្វើ :

a. To remove enamel not supported by dentin

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

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

d. To plane and cleave enamel in cavity

e. To clean and smooth walls in cavity preparation

Your score is

The average score is 90%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត