Dental Material Test

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1 / 60

Most common complication after tooth extraction is:

a. Infection

b. Swelling

c. Bleeding

d. Alveolar osteitis

2 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់Cotton Forceps:

a. Plain or serrated tips

b. Pointed or rounded

c. Pointed tips; sharp, thin, and flexible

3 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់ Condenser :

a. To pack and condenser amalgam into cavity preparation

b. To carry and dispense amalgam for cavity preparation

c. To pack and condenser amalgam into interproximal areas of cavity preparation

d. To pack and condenser temporary filling material

4 / 60

ចូរជ្រើសរើសចំលើយខុសចំនួន០១សំរាប់មុខងារ Burnishers:

a. To contour matrix band before placement

b. To carry and place temporary restorative material

c. To initial carving of amalgam

d. To smooth amalgam after condensing

5 / 60

រកចម្លើយខុសមួយ របស់ ឧបករណ៏Root elevators:

a. To lift and remove fragments of root

b. To loosen root

c. To use on posterior teeth

d. To separate and lift root from socket

6 / 60

Disposable prophy cup ប្រើសំរាប់polishing លើធ្មេញ :

a. For polishing occlusal surface

b. For polishing anterior teeth

c. For deep grooves on lingual surface of anterior teeth

d. For polishing all surface of teeth

7 / 60

តើMatrix Bands for Universal band ដាក់លើធ្មេញណា?

a. For all posterior teeth except larger teeth

b. For larger molars

c. For premolars

8 / 60

តួនាទីរបស់Gate Glidden Bur or Drillជ្រើសរើសចម្លើយត្រូវ១:

a. To clean inside wall of canal

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

c. To enlarge inner walls of canal

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

9 / 60

រូបភាពនេះជាអ្វី?:

a. Crown and bridge Scissors

b. Contouring Pliers

c. Trial Crown Remover

10 / 60

រូបភាពនេះជាអ្វី?:

a. Prophy scaler

b. Jacquette scale

c. Push scaler

11 / 60

What is the function of the Hollenback Carvers?

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

b. To condense restorative material

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

12 / 60

តើUniversal Mandibular Forceps for extraction mandibular first and second molars :

a. No. 17

b. No. 10s

c. No.16

13 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់ Straight Sickle Scaler:

a. Two cutting edges on curved blade that ends in sharp point

b. Two cutting edges on straight blade that ends in sharp point

c. Two cutting edges

14 / 60

រូបភាពនេះជាអ្វី?:

a. Suture Scissors

b. Periosteal Elevator

c. Surgical Curette

15 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Electric Handpiece Unit and Handpiece Attachments:

a. To use with depth drills for implants

b. To use with endodontic nickel titanium rotary instruments

c. To use with bur for intraoral cavity preparation

16 / 60

ចូររកចំលើយត្រូវ១នៃ Crown and Bridge Scissors ?:

a. To trim custom temporary crowns

b. To crimp and contour marginal edge of temporary crown

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

d. To trim custom temporary crowns

17 / 60

Function for Finishing Strip:

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

b. To hold material etchant, bonding, and composite

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

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

e. To finish and smooth interproximal surface of restoration

18 / 60

ចូររកចំលើយត្រូវ១នៃ Characteristics របស់ Root canal File- Hedstrom?:

a. Triangular cutting edge

b. Twisted design

c. Twisted triangular cutting edge

19 / 60

តើ Enamel Hatchet គេប្រើចលនាយ៉ាងម្តេច:

a. Cutting edge at an angle

b. Pulling motion

c. Push motion

20 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Endodontic Plugger

b. Glick Instrument

c. Endodontic Spreader

21 / 60

Reamer មានតួនាទី:

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

b. To measure file , reamer and materials in millimeter

c. To enlarge inner walls of canal

d. To cut and smooth dentinal wall of canal

22 / 60

តើចម្លើយមួយណាជា Tapered Fissure Bur – Crosscut:

a. To finish composite restoration and 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 finish composite restoration

d. To place retention grooves in walls of cavity preparation

e. To form angles in walls of cavity preparation

23 / 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

24 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Universal Clamp

b. Premolar Clamp

c. Anterior Clamp

25 / 60

តើElastic Separators ដាក់លើធ្មេញលេខណា:

a. Molars and premolars

b. Premolars

c. Cuspid

d. Molar

26 / 60

តើចម្លើយ១របស់មុខងាររបស់Laser Handpiece Unit:

a. To use for preparation of occlusal surface for sealants

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 remove lesion or tumor

27 / 60

what is function of the Extended Area – Specific Curette – Anterior

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

b. To scale an rmove deposits from subgingival surface of posterior teeth

c. To use for root planning

28 / 60

រូបភាពនេះជាអ្វី?:

a. Rubber dam frame

b. Mouth prop

c. X-ray holder

29 / 60

រូបភាពនេះជាអ្វី?:

a. Interdental pick

b. Wooden wedges

c. Tooth pick

30 / 60

Dental mouth Mirror can be:

a. Convex

b. Biconcave

c. Biconvex

d. Concave

31 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Diamond Bur – flame

b. Finishing Bur

c. Diamond Bur – Wheel

32 / 60

រូបភាពនេះជាអ្វី?:

a. Wedge

b. Paper points

c. Gutta purcha point

33 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Pear Shaped Bur

b. Inverted Cone Bur

c. Straight Fissure Bur

34 / 60

ចូរជ្រើសរើសមុខងាររបស់ Laboratory Bur- Diamond Disc :

a. To contour or cut models in the laboratory

b. To cut models or trim acrylic in laboratory

c. To be used on dental tray setups

35 / 60

តើមូយណាមុខងាររបស់ Tissue Forceps :

a. To cut tissue

b. To hold blade in place

c. To cut tissue with blade

d. To hold tissue during surgical procedures

36 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Endodontic File – Hedstrom

b. Endodontic File K

c. Broach

37 / 60

Instruments used for handing resins are made of :

a. Carbon steel

b. Stainless streel

c. Gold

d. Teflon coated metal

38 / 60

រូបភាពនេះជាអ្វី?:

a. Endo file

b. Rotary file

c. Finger spreader

39 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing bur

b. Polishing brush

c. Polishing Cup

40 / 60

Local anesthetic solution with highest tissue irritancy is :

a. Bupivacaine

b. Procaine

c. Lignocaine

d. Mepivacaine

41 / 60

តើមុខងាររបស់ Root – Tip Elevators:

a. To lift and remove fragment of root

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

c. To use on posterior teeth

42 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់ Universal Curettes:

a. Black –two cutting edges, With face at 90 -degree angle to lower shank

b. Black –two cutting edges , round toe , rounded back At 90- degree angle to lower shank

c. Rounded back and toe ; At 70 -degree angle to lower shank

43 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់Band Seater- Bite Stick:

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

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

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

44 / 60

រូបភាពនេះជាអ្វី?:

a. Hemostat

b. Needle Holder

c. Tissue Forceps

45 / 60

រូបភាពនេះជាអ្វី?:

a. Amalgam burnisher

b. Ball Burnisher

c. Amalgam plugger

46 / 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 anchor and stabilize dental dam

d. To isolate teeth for dental procedures

47 / 60

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

a. To remove supragingival calculus on teeth

b. To use for root planning

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

48 / 60

រូបភាពនេះជាអ្វី?:

a. Applicator

b. Tanner Carver

c. Liner Applicator

49 / 60

ចូររកចំលើយខុស១នៃ Flexible Mixing Spatula?:

a. To mix dental materials

b. To remove provisional crow

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

d. To remove provisional crow

50 / 60

ដើម្បីយកpulp tissue ពីcanal គេប្រើឧបករណ៏អ្វី:

a. Reamer

b. File – Hedstrom

c. Broach

d. File- k type

51 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Endodontic Long Shank Spoon Excavator :

a. Long shank to reach deep into cavity preparation

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

c. Pointed tips; sharp, thin, and flexible

52 / 60

Calcium hydroxide is used for :

a. Pulp capping

b. Reduce maginal leakage

c. Reinforce the restoration

d. To prevent recurrent caries

53 / 60

រូបភាពនេះជាអ្វី?:

a. Wax

b. Polishing strip

c. Articulating paper

54 / 60

មុខងាររបស់ Woodson:

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

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

c. To carve occlusal anatomy into amalgam rstorations

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

55 / 60

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

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

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

c. To evacuate fluid from oral cavity and surgical site

d. To retract tongue during evacuation

56 / 60

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

a. 24 hours

b. 1 hours

c. 7 ½ minute

d. 30 minutes

57 / 60

រកចម្លើយខុស១នៃមុខងាររបស់ Ultrasonic Scaler Instrument Tip – Supragingival:

a. To use for root planning

b. To remove supragingival calculus on teeth

c. To remove bacterial plaque from periodontal pockets

58 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Well for composite Material

b. Composite Placement Instrument

c. Composite Burnisher

59 / 60

រូបភាពនេះជាអ្វី?:

a. Explorer

b. Periodontal Probe

c. Furcation probe

60 / 60

ចូលជ្រើសរើសមុខងាររបស់Surgical Electrical Hand piece Unit:

a. To use with depth drills for implants

b. To use with bur for intraoral cavity preparation

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

d. To use with endodontics nickel –titanium rotary instruments

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត