Endodontics Test

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Endodontics Test

1 / 60

Average age of eruption maxillary second molar:

a. 12-13 years

b. 7-8 years

c. 6-7 years

d. 9-10 years

2 / 60

Root canal គឺ:

a. All are correct

b. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល1-2mm

c. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល3 mm

d. ជារន្ធឬសធ្មេញបន្តពីorifice

3 / 60

Function of gates :

a. Remove the pulp

b. To enlarge the coronal third of the canal during endodontic treatment

c. To enlarge the apex during endodontic treatment

d. Drill

4 / 60

Access cavity of maxillary lateral incisor is :

a. Triangular with the base toward the palatin and apex toward border libre

b. Triangular with the base toward the border libre and apex toward the distal

c. Triangular with the base toward the border libre and apex toward cingulum

d. Triangular with the base toward the border libre and apex toward the mesial

5 / 60

Access cavity of mandibular central incisor is :

a. Triangular with the base toward the border libre and apex toward the distal

b. Oval is wider mesial-distal

c. Oval is wider buccal-lingual

d. Triangular with the base toward the border libre and apex toward the mesial

6 / 60

Average age of eruption maxillary lateral incisor is:

a. 12-13years

b. 10-11years

c. 11-12years

d. 8-9 years

7 / 60

Disadvantages of step back technique :

a. No better tactile awareness

b. It reduces pressure

c. Chances of pushing debris into peri-apical

d. No avoids zipping

8 / 60

Direct pulp capping is:

a. the procedure in which the small exposure of the pulp and is dressed with bio-compatible material in contact with exposed pulp

b. the treatment procedure to the decayed email is removed and is treated with the biocompatible material

c. help in avoiding the exposure of pulp tissue to the oral environment

d. the treatment procedure to the decayed dentine is removed and is treated with the biocompatible material

9 / 60

Clinical signs of chronic pulpitis :

a. Pain absent or mild to moderate and intermittent

b. Percussion: negative response

c. Spontaneous pain

d. Pain by cold

10 / 60

Palpation:

a. could not give us the state of the pulp

b. All are corrects

c. could not give us the size of the swelling

d. not diagnostic , when infection confined to pulp (abcess)

11 / 60

Etiology of pulpitis is:

a. traumatic occlusion

b. fracture of the crown

c. All are corrects

d. dental caries

12 / 60

Mandibular central incisor has only 1 root but :

a. 1 root & 1 canal 70%

b. 1 root & 1 canal 100%

c. 1 root & 1 canal 80%

d. 1 root & 1canal 50%

13 / 60

Evaluation of thermal test results:

a. Strong but lingering irreversible

b. Strong but lingering normal

c. Strong but lingering reversible

d. All are corrects

14 / 60

ការរៀបចំផ្នែកpulp chamber ត្រូវប្រើ:

a. Excavator

b. All are corrects

c. Cylinder burs

d. Round burs

15 / 60

Access cavity of mandibular second molar is :

a. Triangular in shape with the base toward distal and apex toward buccal

b. Triangular in shape with the base toward the mesial and apex toward distal

c. Triangular in shape with the base toward the distal and apex toward mesial

d. Triangular in shape with the base toward the buccal and apex toward palatin

16 / 60

Function of paper points :

a. To enlarge the canal

b. To absorb any moisture in the canal

c. Working length

d. Obturation

17 / 60

Advantages of crown down technique :

a. It reduces pressure

b. Keep apical prep small in original position gradual tape

c. Save time

d. Avoids zipping

18 / 60

Clinical signs of acute reversible pulpitis :

a. Absent spontaneous pain

b. Spontaneous pain

c. Pain by hot than cold

d. Percussion: positive

19 / 60

Speed of lentulo:

a. 800t/mn

b. 6000-7000t/mn

c. 3000-6000t/mn

d. 7000-8000t/mn

20 / 60

ដើម្បីធ្វើអោយស្អាត wall of root canal ក្នុងការព្យាបាល endo គេត្រូវប្រើ :

a. NaOCL+H2O

b. NaOCL កំដៅ60oC

c. NaOCL + Saline

d. NaOCL+Hydrogen peroxide

21 / 60

NaOCL2.5%អាចទុកក្នុងroot canal បាន :

a. 3 weeks

b. 5 week

c. 2 weeks

d. 4 weeks

22 / 60

Function of tirenerf :

a. Remove gutta-percha

b. Remove the pulp

c. Enlarge the root canal

d. Working length

23 / 60

ដើម្បីលាងcanalអោយស្អាតគេត្រូវប្រើ:

a. NaOCLឆ្លាស់ជាមួយCaOH2

b. NaOCLឆ្លាស់ជាមួយEDTA

c. NaOCL ឆ្លាស់ជាមួយCaOH2 and NaOCLឆ្លាស់ជាមួយEDTA

d. NaOCLឆ្លាស់ជាមួយHydrogen peroxide

24 / 60

Indication of indirect pulp capping is:

a. No pulp exposure and Mild pain associated with eating

b. No pulp exposure

c. Spontaneous toothache

d. Mild pain associated with eating

25 / 60

Mandibular canine has :

a. 1 root & 1 canal 70%

b. 1 root &2 canals 50%

c. 1 root & 1 canal 100%

d. 1 root & 2 canals 80%

26 / 60

Anatomical apex ស្ថិតនៅចុងនៃ:

a. Lateral canal

b. Pulp horn

c. Horn cementum of root

d. Furcation canal

27 / 60

EDTAជាsolution សំអាតរន្ធឬសដ័មានប្រសិទ្ធិភាព:

a. តែក្នុងការបំបាត់ចោលនូវកំទិចកំទី(debris)

b. តែក្នុងការបំបាត់ចោលនូវកំទិចកំទី(debris) and កាន់តែល្អពេលមានវត្តមានNaOCL

c. តែក្នុងការបំបាត់ចោលនូវបណ្តាលកោសិការpulp ដែលនៅសេសសល់ក្នុងcanal

d. កាន់តែល្អពេលមានវត្តមាន NaOCL

28 / 60

Electric pulp tester បង្ហាញ over 80 no reaction បញ្ជាក់ថា:

a. alive teeth nerve and part of teeth nerve dead

b. dead teeth nerve

c. alive teeth nerve

d. part of teeth nerve dead

29 / 60

Treatment of chronic pulpitis:

a. Root canal

b. pulp capping

c. pulpotomy

d. Extraction

30 / 60

Average age of eruption maxillary first molar:

a. 8-9 years

b. 6-7 years

c. 9-10 years

d. 11-12 years

31 / 60

Contraindication of rubber dam:

a. Grossly carious teeth

b. Recently erupted tooth, Grossly carious teeth, Patiens small mouth

c. Recently erupted tooth

d. Patiens small mouth

32 / 60

Clamps use for:

a. Patiens small mouth

b. Aid in anchoring the dam to the tooth and in soft tissue retraction

c. Saves time

d. Transfer the holes to dam sheet

33 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលទ្វេដងពេលណា :

a. NaOCLត្រូវបានកំដៅ (30អង្សាC)

b. NaOCLត្រូវបានកំដៅ (60អង្សាC)

c. NaOCL ប្រើរួមគ្នាជាមួយHydrogen peroxide

d. NaOCL ប្រើរួមគ្នាជាមួយserum saline

34 / 60

Justifications of indirect pulp capping is:

a. Reduction of a potentially infected pulp

b. Continued normal root closure in immature permanent teeth

c. Reduction of anaerobic bacteria

d. Continued normal root closure in immature permanent teeth and Reduction of anaerobic bacteria

35 / 60

Anesthetic tests in endodontic is used when:

a. sensitivity with hot or cold

b. discolouration of the tooth

c. pain when biting down

d. usual tests have failed

36 / 60

Contraindication of direct pulp capping:

a. Deep caries

b. Excess bleeding at the exposure site (uncontrolled bleeding).

c. Pain by hot

d. Pain by cold

37 / 60

The root canal of mandibular second molar has:

a. Mesial 2 – distal 1

b. Mesial 2-distal 2

c. Mesial 1- distal 2

d. Mesial 1 – distal 1

38 / 60

Major foramen គឺជាផ្នែកចំហរដែលនៅចុងបំផុតនៃ:

a. Pulp horn

b. Constriction

c. Root of tooth

d. Floor of pulp chamber

39 / 60

Contraindications of direct pulp capping is:

a. Excess bleeding at the exposure site

b. Small exposures less than 1mm

c. Pain at night

d. Pain at night and Excess bleeding at the exposure site

40 / 60

Average length of maxillary lateral incisor is:

a. 26mm

b. 25mm

c. 22mm

d. 24mm

41 / 60

Clinical signs of hyperplastic pulpitis:

a. All are corrects

b. Polyp gingival

c. Red pinkish soft nodule protruding into the cavity

d. Almost children and young adults

42 / 60

Tooth decay is caused by :

a. bacteria

b. cracked tooth

c. traumatic injury

d. cracked tooth and traumatic injury

43 / 60

Access cavity of maxillary second molar is :

a. Oval is wider mesial-distal

b. Triangular in shape with the base toward the buccal and apex toward palatal

c. Triangular in shape with the base toward the mesial and apex toward the distal

d. Triangular in shape with the base toward the distal and apex toward mesal

44 / 60

speed of gate is:

a. 700t/mn

b. 800t/mn

c. 8000t/mn

d. 600t/mn

45 / 60

Function of finger spreader :

a. To condense gutta-percha lateral the canal during obturation

b. To condense gutta-percha vertical the canal during obturation

c. To probe the orifice of the root canal

d. To probe the orifice of the pulp chamber

46 / 60

Thermal sensitivity not respond when:

a. Pulp necrosis

b. Pulpitis and pulpitis irreversible

c. Pulpitis

d. Pulpitis irreversible

47 / 60

Necrotic pulp will not respond to:

a. hot

b. clod

c. ethyl chloride

d. All are corrects

48 / 60

Indication for endodontic:

a. Traumatic pulp exposure due to dental work

b. External root resorption

c. Vertical root fracture

d. Non restorable teeth after endodontic treatment

49 / 60

Pulp capping is :

a. Technique to preserve the vitality of a potentially infected pulp

b. Technique to preserve the vitality of a potentially necrosis pulp

c. Technique to preserve the vitality of a potentially pulpitis

d. Technique to preserve the vitality of irreversible pulpitis

50 / 60

Average age of eruption mandibular central incisor is:

a. 6-7years

b. 11-12years

c. 12-13years

d. 8-9 years

51 / 60

Early stages of the pulp inflammation can be see:

a. Deep decay.

b. Tooth injury

c. Before decay reaches the pulp.

d. Chip tooth

52 / 60

Function of Endo-Z :

a. Refine the preparation

b. Acceess the orifice of root canal

c. Access cavity

d. Access the pulp chamber

53 / 60

Crown down technique :

a. The instruments are used in one size

b. The instruments are used in a small to large sequence

c. The instruments are used in a large to small sequence

d. Use by gate

54 / 60

Maxillary central incisor has :

a. 1 root & 2 canal 20%

b. 1root & 2 canal

c. 1 root 100%

d. 1 root & 2canal 50%

55 / 60

Treatment of chronic hyperplastic pulpitis (pulp polyp) :

a. Pulp capping

b. Remove the cause

c. Root canal treatment

d. Pulpotomy

56 / 60

Advantage of vertical condensation technique :

a. Good sealing of canal apical, lateral and accessory canals

b. Risk of vertical root fracture

c. Save time

d. Overfilling

57 / 60

Pulp chamber :

a. រួមតូចបន្តិចម្តងៗទៅតាមអាយុកាលរបស់វា

b. ចំពោះធ្មេញមនុស្សចាស់ Pulp Chamber រីកធំ

c. ចំពោះធ្មេញកូនក្មេង Pulp Chamber រួម តូច

d. មិនទៀងទាត់

58 / 60

Constriction is:

a. Apical apex

b. Apical apex and Anatomical apex

c. Apex physiological

d. Anatomical apex

59 / 60

Action of reamer:

a. O`clock wise half turn twist

b. O`clock wise quarter turn twist and O`clock wise half turn twist

c. Withdrawal

d. O`clock wise quarter turn twist

60 / 60

Contraindication of indirect pulp capping :

a. Reaction of electric pulp testing

b. Definite pulp exposure

c. No mobility of the tooth

d. No spontaneous pain

Your score is

The average score is 92%

Any comments?

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

និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត