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

មុខងាររបស់ Diamond Bur- Wheel :

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

b. To reduce bulk of incisal edges

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

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

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

2 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់Composite Placement Instruments:

a. To form occlusal anatomy in composite restorations

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

c. To carry composite material in cavity preparation

3 / 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

4 / 60

Material must be cured in increments of ?:

a. 3mm

b. 2mm

c. 4mm

5 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Dental Dam Frame

b. Dental Dam Stamp

c. Dental Dam Template

6 / 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 maintain stability of matrix band during condensation of restorative material for class II preparation

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

7 / 60

What are the functions of the Orthodontic Bracket?

a. To hold Orthodontic arch wire in place

b. To hold and carry bracket by placing tip of plies into slot of bracket

c. To place bracket on tooth for bonding

8 / 60

តើមួយណាជាcharacteristic of Universal Clamp – Maxillary?:

a. Use is determined by tooth size

b. Use only on anterior teeth

c. Use on right or left posterior molars

9 / 60

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

a. 30 minutes

b. 7 ½ minute

c. 1 hours

d. 24 hours

10 / 60

រកចម្លើយត្រូវ១របស់រូបរាងFile – K Type :

a. Triangular cutting edge

b. Twisted triangular cutting edge

c. Twisted design- more twists per millimeter than reamer

11 / 60

តួនាទីរបស់របស់Orthodontic Hemostat:

a. To grasp tissue or bone fragments

b. To tie in ligature to arch wire

c. To hold during surgical procedure

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

12 / 60

រូបភាពនេះជាអ្វី?:

a. Siqveland retainer

b. Interdental strip

c. Toflemire matrix retainer

13 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Cotton Forceps:

a. Pointed or rounded

b. Plain or serrated tips

c. Pointed tips; sharp, thin, and flexible

14 / 60

Biologically active sealer which promote peri-apical healing contain:

a. Ca(OH)2

b. Silver-points

c. 2no Engenol

d. Cortico- steroids

e. Zinc phosphate

15 / 60

តើមួយណាជាមុខងាររបស់ Orthodontic Hemostat :

a. To place and remove arch wires

b. To remove bonded brackets

c. To hold and place separators

16 / 60

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

a. 4

b. 3

c. 2

17 / 60

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

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

b. To evacuate fluid from oral cavity and surgical site

c. To retract tongue during evacuation

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

18 / 60

Mouth Mirror មានតួនាទីអីខ្លះ:

a. To plane and cleave enamel in cavity preparation

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

c. To retract lips, cheeks and tongues

d. To examine teeth for decay

19 / 60

Long Needle larger gauge number is indicates:

a. Small

b. Thinner needle

c. Big

20 / 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 when parallel walls and flat floors are needed

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

21 / 60

រូបភាពនេះជាអ្វី?:

a. Endo file

b. Rotary file

c. Finger spreader

22 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Suture Scissor

b. Needle Holder

c. Hemotat

23 / 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

24 / 60

ចូររកចំលើយត្រូវ១នៃ Crown and Bridge Scissors ?:

a. To trim custom temporary crowns

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

c. To crimp and contour marginal edge of temporary crown

d. To trim custom temporary crowns

25 / 60

Disposable prophy cup ប្រើសំរាប់polishing លើធ្មេញ :

a. For polishing anterior teeth

b. For polishing occlusal surface

c. For polishing all surface of teeth

d. For deep grooves on lingual surface of anterior teeth

26 / 60

តើUniversal Maxillary Forceps លេខប៉ុន្មាន?:

a. No. 16

b. No.17

c. No. 10S

27 / 60

គុណសម្បត្តិរបស់Dental Dam មាន៖:

a. អ្នកជំងឺហាមាត់បានតិច

b. កាត់បន្ថយការចំលងមេរោគ, ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

c. ជួយការពារកុំឲ្យអ្នកជំងឺលេបរឺធ្លាក់សម្ភារៈចូលបំពងក

d. កាត់បន្ថយការចំលងមេរោគ

e. អ្នកជំងឺហាមាត់បានតិច, កាត់បន្ថយការចំលងមេរោគ

28 / 60

តួនាទីរបស់Gate Glidden Bur or Drillជ្រើសរើសចម្លើយត្រូវ១:

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

b. To enlarge inner walls of canal

c. To clean inside wall of canal

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

29 / 60

រូបភាពនេះជាអ្វី?:

a. Jacquette scale

b. Push scaler

c. Prophy scaler

30 / 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

31 / 60

រូបភាពនេះជាអ្វី?:

a. Furcation probe

b. Periodontal Probe

c. Explorer

32 / 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

33 / 60

ចូររកចំលើយខុស១នៃ Resorbable suture :

a. Chromic gut

b. Gut plain

c. polypylene

34 / 60

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

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

b. To use with slow- speed attachments

c. To use with burs for intraoral and exraoral procedures

35 / 60

តើគេយកសម្ភារៈអ្វីមកបិតបំពេញ pulp chamber after completion of canal preparation:

a. Gutta- Percha

b. Lentulo Spiral

c. Endodontic Irrigating Syringe

d. Paper Points

36 / 60

Function for Dental Dam Frame :

a. To hold dental dam away from teeth

b. To anchor

c. To anchor and stabilize dental dam

37 / 60

តើ Enamel Hatchet ប្រើ motion មួយណា?

a. Used with pulling motion

b. Use with push motion

c. Use with pulling and push motion

38 / 60

ចូលជ្រើសរើសមុខងាររបស់Surgical Electrical Hand piece Unit:

a. To use with bur for intraoral cavity preparation

b. To use with endodontics nickel –titanium rotary instruments

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

d. To use with depth drills for implants

39 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់ Gutta – Percha :

a. To dry pulp chambers of canal

b. To fill chamber after completion of canal preparation

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

40 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Burnishers

b. Interproximal Condenser

c. Condenser ( plugger)

41 / 60

តើEndodontic Explorer មានតួនាទី:

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

b. To smooth amalgam after condensing

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

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

42 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Back Action Hoe

b. Interdental Knife – spear Point

c. Interdental File

43 / 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

44 / 60

មុខងាររបស់ Rongeurs:

a. To remove or smooth rough edges of alveolar bone

b. To trim and remove excess alveolar bone after extraction of teeth

c. To contour alveolar bone after single or multiple extractions

45 / 60

រូបភាពនេះជាអ្វី?:

a. Scissors

b. Rubberdam Clamp

c. Rubberdam tweezers

46 / 60

រូបភាពនេះជាអ្វី?:

a. Couplands Chisel

b. Elevator

c. Luxator

47 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់Band Seater- Bite Stick:

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

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

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

48 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Finishing Strip

b. Applicator

c. Wooden Wedges

49 / 60

Local anesthetic solution with highest tissue irritancy is :

a. Mepivacaine

b. Procaine

c. Lignocaine

d. Bupivacaine

50 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Band Pusher or Plugger with Scaler :

a. Single or double ended

b. Scaler

c. Band Push or Plugger

51 / 60

Calcium hydroxide is used for :

a. Pulp capping

b. Reduce maginal leakage

c. To prevent recurrent caries

d. Reinforce the restoration

52 / 60

រូបភាពនេះជាអ្វី?:

a. Surgical Curette

b. Periosteal Elevator

c. Suture Scissors

53 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Electric Handpiece Unit and Handpiece Attachments:

a. To use with endodontic nickel titanium rotary instruments

b. To use with depth drills for implants

c. To use with bur for intraoral cavity preparation

54 / 60

តើចម្លើយ១របស់មុខងាររបស់Laser Handpiece Unit:

a. To control bleeding

b. To remove lesion or tumor

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

d. To use for preparation of occlusal surface for sealants

e. To remove lesion or tumor and To control bleeding

55 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Endodontic Long Shank Spoon Excavator :

a. Pointed tips; sharp, thin, and flexible

b. Working end – longer than regular explorer to reach opening of canal

c. Long shank to reach deep into cavity preparation

56 / 60

To remove subgingival / supragingival calculus

a. To remove tissue

b. To remove bone adjacent to teeth without causing trauma

c. To remove subgingival / supragingival calculus

57 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing brush

b. Polishing bur

c. Polishing Cup

58 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ spoon Excavator:

a. To remove temporary crowns

b. To remove temporary cement in temporary restorative

c. To remove carious dentin

d. To remove pulp tissue from canal

59 / 60

រូបភាពនេះជាអ្វី?:

a. Straight Sickle Scaler

b. Implant Scaler

c. Universal Curettes

60 / 60

Liner Applicator មានតួនាទីសំរាប់:

a. To carry and dispense amalgam for cavity

b. To place calcium hydroxide or glass ionomer in cavity

c. To pack and condense amalgam into cavity

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត