Endodontics Test

1 votes, 5 avg

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Endodontics Test

1 / 60

Mandibular central incisor has only 1 root but :

a. 1 root & 1 canal 100%

b. 1 root & 1canal 50%

c. 1 root & 1 canal 80%

d. 1 root & 1 canal 70%

2 / 60

Contraindication of indirect pulp capping :

a. Reaction of electric pulp testing

b. No mobility of the tooth

c. Definite pulp exposure

d. No spontaneous pain

3 / 60

Advantages of apex locator:

a. accurate

b. All are corrects

c. reduction of exposure to radiation

d. easy and fast

4 / 60

Endodontics ចាំបាច់តម្រូវឱ្យយើងមានការយល់ដឹងពី :

a. គ្មានការបង្ករោគទៅថ្ងៃក្រោយ

b. Morphology

c. The preparatory phase

d. Root Canal obturation

5 / 60

Access goals is :

a. Open into pulp chamber

b. Enlarge enough to have good file path

c. Maintain as much tooth structure as possible

d. All are corrects

6 / 60

Necrotic pulp will not respond to:

a. hot

b. ethyl chloride

c. clod

d. All are corrects

7 / 60

ការព្យាបាលរន្ធឬសគឺមានគោលបំណង:

a. បិទបំពេញរន្ធឬសជិតណែនល្អ

b. បំបាត់ចោលអោយអស់bacteria and បិទបំពេញរន្ធឬសជិតណែនល្អ

c. បំបាត់ការឈឹចាប់

d. បំបាត់ចោលអោយអស់bacteria

8 / 60

Contraindication of direct pulp capping:

a. Pain by hot

b. Pain by cold

c. Deep caries

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

9 / 60

Electric pulp tester បង្ហាញ between 0-40 the patient feel ache បញ្ជាក់ថា:

a. irreversible

b. All are corrects

c. alive teeth nerve

d. reversible

10 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលពេលណា :

a. NaOCL2.5% + serum saline

b. NaOCL2.5% + Hydrogen peroxide

c. NaOCL2.5% + H2O

d. NaOCL2.5% + Calcium hydroxide

11 / 60

Rubber dam template use for:

a. Grossly carious teeth

b. Transfer the holes to dam sheet

c. Psychology

d. Saves time

12 / 60

Indication of indirect pulp capping is:

a. No radiographic evidence of radicular disease

b. Small exposures less than 1mm

c. No history of spontaneous toothache

d. No history of spontaneous toothache and No radiographic evidence of radicular disease

13 / 60

Etiology of pulpitis:

a. traumatic occlusion

b. tooth pain

c. dental caries and traumatic occlusion

d. dental caries

14 / 60

Speed of lentulo:

a. 6000-7000t/mn

b. 3000-6000t/mn

c. 7000-8000t/mn

d. 800t/mn

15 / 60

Average age of eruption mandibular first premolar:

a. 6-7 years

b. 7-8 years

c. 10-12 years

d. 11-12 years

16 / 60

Palpation:

a. មិនអាចអោយដឹងពី state of the pulp

b. All are corrects

c. អាចអោយដឹងពី the size of the swelling

d. អាចអោយដឹងពី state of the pulp

17 / 60

Hydrogen peroxide 10 volume ហាមប្រើចំពោះ :

a. Fracture of root

b. ធ្មេញមានបញ្ហាចុងឬស (granuloma)

c. ធ្មេញ deep caries

d. ធ្មេញមានស្នាមប្រេះ

18 / 60

Disadvantages of technique dam first:

a. Small mouth

b. Psychology

c. Save time

d. Grossly carious teeth

19 / 60

Action of reamer is :

a. O`clock wise 1/4 turn twist and O`clock wise 1/2 turn twist

b. Withdrawal

c. O`clock wise 1/4 turn twist

d. O`clock wise 1/2 turn twist

20 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលទ្វេដងពេលណា :

a. NaOCLត្រូវបានកំដៅ (30អង្សាC)

b. NaOCL ប្រើរួមគ្នាជាមួយserum saline

c. NaOCL ប្រើរួមគ្នាជាមួយHydrogen peroxide

d. NaOCLត្រូវបានកំដៅ (60អង្សាC)

21 / 60

Function of peeso:

a. To enlarge the coronal second of the canal

b. To enlarge the coronal third of the canal

c. To remove gutta-percha during post preparation

d. All are corrects

22 / 60

Why would need an endodontic procedure :

a. Remove the inflamed or infected pulp and the tooth continues to function again

b. Reduce the swelling

c. Root fracture

d. Reduce the pain

23 / 60

Access cavity of maxillary canine is :

a. Oval is wider buccal-palatal

b. Triangular with the base toward the cingulum and apex toward the boder libre

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

d. Oval is wider mesial-distal

24 / 60

Contraindication of direct pulp capping :

a. Pain by hot

b. Pain by cold

c. Excess bleeding at the exposure sit (uncontrolled bleeding)

d. Deep caries

25 / 60

Access cavity of mandibular first premolar is :

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

b. Oval is wider buccal-lingual

c. Oval is wider mesial-distal

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

26 / 60

Orifice គឺជារុន្ធ:

a. របស់root canal ដែលស្ថិតនៅក្រោមcervical នៃធ្មេញប្រហែល1mm-2mm

b. ស្ថិតនៅចុងនៃ apex

c. ស្ថិតនៅត្រង់ចំណុចconstriction

d. បន្តចេញពី root canal

27 / 60

bisecting technique:

a. the X ray pass perpendicular to the angular bisector of the tooth and film

b. film place parallel to the long axis of the tooth

c. All are corrects

d. the X ray pass perpendicular to the long axis of the tooth

28 / 60

Electric pulp tester បង្ហាញ over 80 no reaction បញ្ជាក់ថា:

a. alive teeth nerve and part of teeth nerve dead

b. part of teeth nerve dead

c. dead teeth nerve

d. alive teeth nerve

29 / 60

Pulp chamber :

a. រួមតូចបន្តិចម្តងៗទៅតាមអាយុកាលរបស់វា

b. ចំពោះធ្មេញមនុស្សចាស់ Pulp Chamber រីកធំ

c. មិនទៀងទាត់

d. ចំពោះធ្មេញកូនក្មេង Pulp Chamber រួម តូច

30 / 60

Contraindication of rubber dam:

a. Recently erupted tooth

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

c. Patiens small mouth

d. Grossly carious teeth

31 / 60

Function of gutta-percha :

a. Obturation

b. To enlarge the canal

c. To absorb any moisture in the canal

d. Working length

32 / 60

ដើម្បីធ្វើអោយស្អាត wall of root canal ក្នុងការព្យាបាល endo គេត្រូវប្រើ :

a. NaOCL+Hydrogen peroxide

b. NaOCL + Saline

c. NaOCL កំដៅ60oC

d. NaOCL+H2O

33 / 60

Etiology of acute reversible pulpitis:

a. abscess

b. dental caries and cavity preparation

c. dental caries

d. cavity preparation

34 / 60

Root canal គឺជារុន្ធឬស:

a. ស្ថិតនៅចុងនៃ apex

b. ស្ថិតនៅ1/3នៃroot of teeth

c. ស្ថិតនៅ1/2នៃroot of teeth

d. បន្តពីpulp chamber មានorifice នៅក្រោមcervical នៃធ្មេញប្រហែល1mm-2mm

35 / 60

Advantages of step back technique :

a. Keep apical prep small in its original position-gradual tape

b. Working Length likely to change as canal curvatures are eliminated

c. Chances of pushing debris into peri-radicular tissuesChances of pushing debris into peri-radicular tissues

d. Easy to remove debris

36 / 60

Reversible pulpitis is:

a. pulp hyperplastic

b. closed pulpitis

c. pulp hyperemia

d. pulp polyp

37 / 60

Maxillary first premolar has :

a. 1 root & 1 canal 57%

b. 1 root & 2 canal &2 foramen 57%

c. 1 root & 2 canal 57%

d. 2 root & 2 canal 57%

38 / 60

Constriction is:

a. Apical apex

b. Apical apex and Anatomical apex

c. Apex physiological

d. Anatomical apex

39 / 60

Clamps use for:

a. Saves time

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

c. Patiens small mouth

d. Transfer the holes to dam sheet

40 / 60

Function of plugger :

a. Condensing the gutta-percha vertical

b. To absorb any moisture in the canal

c. To enlarge the canal

d. Condensing the gutta-percha lateral.

41 / 60

Access cavity of mandibular canine is :

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

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

c. Oval is wider buccal-lingual

d. Oval is wider mesial-distal

42 / 60

Major foramen គឺជាផ្នែកចំហរដែលនៅចុងបំផុតនៃ:

a. Pulp horn

b. Constriction

c. Floor of pulp chamber

d. Root of tooth

43 / 60

Treatment of chronic pulpitis:

a. pulpotomy

b. pulp capping

c. Root canal

d. Extraction

44 / 60

Anesthetic test performed:

a. usual tests have failed to enable to identify the tooth

b. tooth mobility

c. tooth pain

d. tooth pain and tooth mobility

45 / 60

Access cavity of mandibular central incisor is :

a. Oval is wider mesial-distal

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

c. Oval is wider buccal-lingual

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

46 / 60

Treatment of chronic hyperplastic pulpitis (pulp polyp) :

a. Pulp capping

b. Root canal treatment

c. Pulpotomy

d. Remove the cause

47 / 60

NaOCL2.5%អាចទុកក្នុងroot canal បាន :

a. 2 weeks

b. 4 weeks

c. 3 weeks

d. 5 week

48 / 60

Contraindications of direct pulp capping is:

a. Small exposures less than 1mm

b. Large pulp exposure

c. Large pulp exposure and Non-restorable tooth

d. Non-restorable tooth

49 / 60

Speed for peeso:

a. 1500t/mn

b. 800t/mn

c. All are corrects

d. 1000t/mn

50 / 60

Function of Endo-Z :

a. Access the pulp chamber

b. Access cavity

c. Acceess the orifice of root canal

d. Refine the preparation

51 / 60

ការរៀបចំផ្នែកpulp chamber ត្រូវប្រើ:

a. All are corrects

b. Round burs

c. Cylinder burs

d. Excavator

52 / 60

Indication for endodontic:

a. Traumatic pulp exposure due to dental work

b. External root resorption

c. Non restorable teeth after endodontic treatment

d. Vertical root fracture

53 / 60

Evolution and prognosis ក្នុងការធ្វើ direct pulp capping :

a. រយៈពេលពី ៤ខែ ទៅ ៦ ខែ ទើបប្រហោងដែលធ្លាយនោះបានបិទជិតដូចលំនាំដើមវិញ

b. រយៈពេលពី ៣ខែ ទៅ ៦ ខែ ទើបប្រហោងដែលធ្លាយនោះបានបិទជិតដូចលំនាំដើមវិញ

c. រយៈពេលពី២ខែ ទៅ ៦ ខែ ទើបប្រហោងដែលធ្លាយនោះបានបិទជិតដូចលំនាំដើមវិញ

d. រយៈពេលពី ១ខែ ទៅ ៦ ខែ ទើបប្រហោងដែលធ្លាយនោះបានបិទជិតដូចលំនាំដើមវិញ

54 / 60

Average length of maxillary central incisor is:

a. 22.5mm

b. 25mm

c. 24mm

d. 26mm

55 / 60

Function of endodontic block:

a. Used to measure the length of lentulo

b. Used to measure the length of finger instruments

c. Used to measure working length

d. All are corrects

56 / 60

Advantages of crown down technique :

a. Save time

b. It reduces pressure

c. Avoids zipping

d. Keep apical prep small in original position gradual tape

57 / 60

គោលការណ័ជាមូលដ្ថានក្នុងការរៀបចំរន្ធឬសគឺរៀបចំផ្នែក:

a. 1/2 root,1/2apical

b. Pulp chamber,1/3 collar,1/3 midle,1/3 apical

c. 1/3 collar,1/3 midle, 1/3 apical

d. Pulp chamber,1/2 root, 1/2apical

58 / 60

Advantages of rubber dam :

a. Psychology

b. Increases visibility and accessibility

c. Save money

d. Easy to work

59 / 60

Access cavity of mandibular first molar is :

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

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

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

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

60 / 60

EDTAជាsolution សំអាតរន្ធឬសដ័មានប្រសិទ្ធិភាពខ្ពស់ដូចនេះគេអាចទុក :

a. EDTAក្នុង root canal រយះបែល 30 នាទី

b. EDTA ក្នុង root canal រយះពេល 20 នាទី

c. EDTAក្នុង root canal រយះពេល 25 នាទី

d. EDTAក្នុង root canal រយះពេល 10 នាទី

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត