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

Anesthetic Cartridge មានចំណុះប៉ុន្មាន:

a. 3ml of anesthetic solution

b. 1.7ml to 1.8ml of anesthetic solution

c. 1.5ml to 1.8ml of anesthetic solution

d. 2ml of anesthetic solution1

2 / 60

រូបភាពនេះជាអ្វី?:

a. Suture Scissors

b. Periosteal Elevator

c. Surgical Curette

3 / 60

តើStraight Chisel ប្រើ motion មួយណា?

a. Use with push motion

b. Used with pulling motion

c. Use with pulling and push motion

4 / 60

តើចម្លើយ១របស់មុខងាររបស់Laser Handpiece Unit:

a. To use for preparation of occlusal surface for sealants

b. To control bleeding

c. To remove lesion or tumor and To control bleeding

d. To remove lesion or tumor

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

5 / 60

រូបភាពនេះជាអ្វី?:

a. Maxillary Root Forceps

b. Rongeur

c. Surgical Chisel

6 / 60

រូបភាពនេះជាអ្វី?:

a. Interdental pick

b. Tooth pick

c. Wooden wedges

7 / 60

Use of water spray during cutting procedures have following advantages:

a. Bacterial contamination controlled.

b. Tooth restorative material and other debris are carried away.

c. Dehydration of oral tissues

d. Pulp is protected from heat

e. Clean view of cavity can be achieved

8 / 60

រកចម្លើយខុស១នៃមុខងាររបស់Universal Curettes :

a. To scale and remove deposits and stains from teeth

b. To scale supragingival and subgingival serface

c. To use for root planning , periodontal debridement , and soft tisse

9 / 60

រកចម្លើយខុស១នៃលក្ខណៈរូបរាងរបស់ Universal Curettes:

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

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

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

10 / 60

Diamonds superior for bur cutting ?:

a. Caries

b. Cementum

c. Enamel

d. Dentine

11 / 60

Function for Finishing Strip:

a. To hold material etchant, bonding, and composite

b. To finish and smooth interproximal surface of restoration

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

12 / 60

តួនាទីរបស់របស់Orthodontic Hemostat:

a. To tie in ligature to arch wire

b. To grasp tissue or bone fragments

c. To hold during surgical procedure

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

13 / 60

រូបភាពនេះជាអ្វី?:

a. Barbed broach

b. Endo hand file

c. Paster filer

14 / 60

មុខងារមួយណាប្រើសំរាប់Disposable prophy cup:

a. For polishing all surfaces of teeth

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

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

d. For polishing occlusal surfaces

15 / 60

រូបភាពនេះជាអ្វី?:

a. Wax knife

b. Mixing spatula

c. Flat plastic

16 / 60

តើHigh –Speed Handpiece មានប៉ុន្មានបែប:

a. ៣

b. ៥

c. ៦

d. ៤

17 / 60

តើElastic Separators ដាក់លើធ្មេញលេខណា:

a. Molars and premolars

b. Molar

c. Premolars

d. Cuspid

18 / 60

Dental Dam Punch តើចម្លើយមួយណាសំរាប់ចោះ Dental dam ដាក់លើធ្មេញ molars:

a. No. 2

b. N o. 3

c. No. 4

d. No. 5

19 / 60

រូបភាពនេះជាអ្វី?:

a. Interdental strip

b. Toflemire matrix retainer

c. Siqveland retainer

20 / 60

រូបភាពនេះជាអ្វី?:

a. Modelling wax

b. Occlusal wax

c. Composition wax

21 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Needle Holder

b. Hemotat

c. Suture Scissor

22 / 60

តើមួយណាជាមុខងាររបស់ Orthodontic Hemostat :

a. To place and remove arch wires

b. To hold and place separators

c. To remove bonded brackets

23 / 60

Function for used of Wheel Burs are:

a. Removal of temporary filling

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

d. Remove of cyst

24 / 60

រូបភាពនេះជាអ្វី?:

a. Straight Sickle Scaler

b. Ultrasonic Scaler Universal

c. Ultrasonic Scaler Furcation

25 / 60

តើមូយណាមុខងាររបស់ Tissue Forceps :

a. To cut tissue

b. To hold tissue during surgical procedures

c. To hold blade in place

d. To cut tissue with blade

26 / 60

តើUniversal Maxillary Forceps លេខប៉ុន្មាន?:

a. No.17

b. No. 16

c. No. 10S

27 / 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

28 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់Peso File :

a. Plugger end

b. Flat tip

c. Parallel cutting edges

29 / 60

រូបភាពនេះជាអ្វី?:

a. Finger spreader

b. Gates glidden

c. Mandrel

30 / 60

ចូរជ្រើសរើសចម្លើយខុស១របស់ Condenser :

a. To pack and condenser amalgam into cavity preparation

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

c. To carry and dispense amalgam for cavity preparation

d. To pack and condenser temporary filling material

31 / 60

មុខងាររបស់ Rongeurs:

a. To contour alveolar bone after single or multiple extractions

b. To remove or smooth rough edges of alveolar bone

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

32 / 60

រកចម្លើយខុស១របស់Peso File :

a. To open canal orifice

b. To prepare canal for endodontic post

c. To enlarge wall of pulp chamber

33 / 60

Long Needle មានប្រវែងប៉ុន្មាន:

a. 2 inches long

b. 1.5/8 inches long

c. 1 inch long

d. 3 inches long

34 / 60

រកចម្លើយត្រូវ១នៃលក្ខណៈរូបរាងរបស់ Straight Sickle Scaler:

a. Two cutting edges

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

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

35 / 60

រូបភាពនេះជាអ្វី?:

a. X ray holder

b. Mouth prop

c. Rubber dam frame

36 / 60

រូបភាពនេះជាអ្វី?:

a. Luxator

b. Couplands Chisel

c. Elevator

37 / 60

រូបភាពនេះជាអ្វី?:

a. Polishing Cup

b. Polishing bur

c. Polishing brush

38 / 60

Calcium hydroxide is used for :

a. Pulp capping

b. To prevent recurrent caries

c. Reinforce the restoration

d. Reduce maginal leakage

39 / 60

Reamer មានតួនាទី៖:

a. To measure file , reamer and materials in millimeter , To enlarge inner walls of canal

b. To cut and smooth dentinal wall of canal

c. To measure file , reamer and materials in millimeter

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

e. To enlarge inner walls of canal

40 / 60

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

a. 4

b. 3

c. 2

41 / 60

Biologically active sealer which promote peri-apical healing contain:

a. Zinc phosphate

b. Cortico- steroids

c. 2no Engenol

d. Silver-points

e. Ca(OH)2

42 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Reamer

b. Peso file

c. Lentulo Spiral

43 / 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 locate opening of small canal orifices or endodontics procedure

d. To smooth amalgam after condensing

44 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Pear Shaped Bur

b. Inverted Cone Bur

c. Straight Fissure Bur

45 / 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

46 / 60

ពេលបិតcomposite class 3 and class 4 តើគេយកឧបករណ៏អ្វីមកប្រើដើម្បើឲ្យរលោងនៅface interproximal surface :

a. Applicator

b. Matrix Bands

c. Finishing Strip

d. Composite Burnisher

47 / 60

ចូរជ្រើសរើសចម្លើយត្រូវមួយរបស់ឧបករណ៏ Composite Disc:

a. To Contour restorative material

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

c. To polish restorations , amalgam , composite and gold

d. To polish or smooth restorative material

48 / 60

តើEndodontic file and reamers ពណ៏ខៀវលេខប៉ុន្មាន:

a. No. 20

b. No. 25

c. No. 30

49 / 60

ចូរអោយឈ្មោះសំភារៈខាងក្រោម:

a. Condenser ( plugger)

b. Burnishers

c. Interproximal Condenser

50 / 60

What is function of the Scaler Instrument Tip – Universal :

a. To remove bacterial plaque and general deposits

b. To remove bacterial plaque from periodontal pockets

c. To remove bacterial plaque from furcation areas

51 / 60

រកចម្លើយត្រូវ១នៃមុខងាររបស់Band Seater- Bite Stick:

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

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

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

52 / 60

តើពណ៍មួយណារបស់Rubber Points ដែលសឹកខ្លាំងជាងគេ:

a. Green point

b. White point

c. Brown points

53 / 60

ចូរជ្រើសរើសចម្លើយត្រូវ:

a. Lentulo Spiral

b. Paper point

c. Gutta- Percha

54 / 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

55 / 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

56 / 60

រូបភាពនេះជាអ្វី?:

a. Amalgam mixer

b. Saliva ejector

c. Mouth prop

57 / 60

រកចម្លើយខុសមួយនៃ Slow-speed Motor with contra Angle Handpiece :

a. To polish amalgam restoration

b. To polish teeth with prophy cup or brush

c. To remove decay

58 / 60

តើUniversal Mandibular Forceps for extraction mandibular first and second molars :

a. No.16

b. No. 17

c. No. 10s

59 / 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

60 / 60

រូបភាពនេះជាអ្វី?:

a. Paper points

b. Gutta purcha point

c. Wedge

Your score is

The average score is 93%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត