Endodontics Test

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Endodontics Test

1 / 60

Treatment of pulp necrosis:

a. Root canal treatment

b. Pulp capping

c. Pulpotomy

d. Extraction

2 / 60

ការរៀបចំផ្នែក1/3 collar ត្រូវប្រើ:

a. Cylinder burs

b. Endo-Z

c. Gate

d. all are corrects

3 / 60

Average age of eruption maxillary central incisor is :

a. 9-10 years

b. 10-11 years

c. 4-5years

d. 7-8 years

4 / 60

Apex locator used to determine:

a. reversible pulpitis

b. reversible pulpitis and irreversible pulpitis

c. distance to the apical foramen

d. irreversible pulpitis

5 / 60

Disadvantages of rubber dam :

a. Legal considerations.

b. Reduce chair time.

c. Debridement

d. Clamp sensitivity

6 / 60

Mobility tests in endodontic grade I is:

a. Within 1mm of horizontal movement

b. Noticeable horizontal movement is its socket

c. Within 2mm of horizontal movement

d. Within 3mm of horizontal movemen

7 / 60

Classification the types of canal : Type II:

a. Has two separate canals in the chamber that exist as two.

b. Is a single canal from the chamber to apex.

c. Has two canals from chamber to apex.

d. Has two separate canals from the chamber, but joins near the apex and exit as one

8 / 60

ឈ្មោះពេញ EDTA គឺ :

a. Ethylène Dyamine Tétra Acetic Acide

b. Ethylène Dyamine Tétra Acide Acetic

c. Ethylène Diamine Tetra Acetic Acide.

d. Ethylène Diamine Tétra Acide Acetic

9 / 60

Tooth mobility cause:

a. Recent trauma and crown/root fracture

b. tooth pain

c. crown/root fracture

d. Recent trauma

10 / 60

Average age of eruption maxillary lateral incisor is:

a. 12-13years

b. 10-11years

c. 11-12years

d. 8-9 years

11 / 60

Lateral condensation is:

a. All are corrects

b. Technique compact gutta-percha by vertical root

c. Technique compact gutta-percha by horizontal root

d. Technique compact gutta-percha against the canal wall

12 / 60

Function of Endo-Z :

a. Access cavity

b. Access the pulp chamber

c. Acceess the orifice of root canal

d. Refine the preparation

13 / 60

speed of lentulo is:

a. 6000-7000tmn

b. 7000-8000t/mn

c. 3000-6000t/mn

d. 8000-9000t/mn

14 / 60

Average age of eruption maxillary second molar:

a. 6-7 years

b. 7-8 years

c. 9-10 years

d. 12-13 years

15 / 60

Furcation canal គឺជា រន្ធបន្ថែមមានប្រភពចេញពី :

a. Roof of pulp chamber

b. Floor of pulp chamber

c. Pulp horn

d. Apex

16 / 60

Function of finger spreader :

a. To probe the orifice of the pulp chamber

b. To probe the orifice of the root canal

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

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

17 / 60

Canal lateral គឺជា រន្ធបន្ថែមមានប្រភពចេញពី :

a. Roof of pulp chamber

b. Foramen

c. Pulp chamber

d. Canal principal

18 / 60

Basic phase of treatment:

a. Isolation.

b. Root canal retreatment.

c. the diagnostic phase

d. Root end surgery

19 / 60

Disadvantage of vertical condensation technique :

a. It may fill the canal irregularities

b. It prevent overfilling by length control during condensation

c. Time consuming

d. Risk of vertical root fracture

20 / 60

Root canal គឺជារុន្ធឬស:

a. ស្ថិតនៅចុងនៃ apex

b. ស្ថិតនៅ1/2នៃroot of teeth

c. ស្ថិតនៅ1/3នៃroot of teeth

d. បន្តពីpulp chamber មានorifice នៅក្រោមcervical នៃធ្មេញប្រហែល1mm-2mm

21 / 60

Average age of eruption mandibular second molar:

a. 11-13years

b. 1011years

c. 9-10years

d. 14-15years

22 / 60

Crown down technique :

a. Use by gate

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

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

d. The instruments are used in one size

23 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលទ្វេដងពេលណា :

a. NaOCLត្រូវបានកំដៅ (30អង្សាC)

b. NaOCLត្រូវបានកំដៅ (60អង្សាC)

c. NaOCL ប្រើរួមគ្នាជាមួយHydrogen peroxide

d. NaOCL ប្រើរួមគ្នាជាមួយserum saline

24 / 60

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

a. irreversible

b. alive teeth nerve

c. reversible

d. All are corrects

25 / 60

Speed for peeso:

a. 800t/mn

b. 1500t/mn

c. All are corrects

d. 1000t/mn

26 / 60

Hydrogen peroxide 10 volume ហាមប្រើចំពោះ :

a. Fracture of root

b. ធ្មេញ deep caries

c. ធ្មេញមានស្នាមប្រេះ

d. ធ្មេញមានបញ្ហាចុងឬស (granuloma)

27 / 60

Black espac គឺលំហរស្ថិតនៅចន្លោះ :

a. Canal principal & ligament

b. Minor foramen & major foramen

c. Orifice & constriction

d. Roof of pulp chamber&Foor of pulp chamber

28 / 60

Indication of direct pulp capping :

a. Spontaneous pain

b. Large pulp exposures

c. Small mechanical exposures less than 1mm

d. Small mechanical exposures less than 2mm.

29 / 60

Maxillary first premolar has :

a. 1 root & 2 canal 57%

b. 2 root & 2 canal 57%

c. 1 root & 1 canal 57%

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

30 / 60

Maxillary central incisor has :

a. 1 root & 2 canal 20%

b. 1root & 2 canal

c. 1 root 100%

d. 1 root & 2canal 50%

31 / 60

Advantage of vertical condensation technique :

a. Save time

b. Overfilling

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

d. Risk of vertical root fracture

32 / 60

Pulp chamber រួមតូច:

a. សំរាប់មនុស្សចាស់ and ដោយសារបាតុភូតពីខាងក្រៅ

b. ដោយសារបាតុភូតពីខាងក្រៅ

c. សំរាប់កូនក្មេង

d. សំរាប់មនុស្សចាស់

33 / 60

ការព្យាបាលរន្ធឬសគឺមានគោលបំណង:

a. បំបាត់ចោលអោយអស់bacteria and បិទបំពេញរន្ធឬសជិតណែនល្អ

b. បំបាត់ចោលអោយអស់bacteria

c. បិទបំពេញរន្ធឬសជិតណែនល្អ

d. បំបាត់ការឈឹចាប់

34 / 60

Access cavity of maxillary lateral incisor is :

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

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

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

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

35 / 60

Disadvantages of technique dam first:

a. Grossly carious teeth

b. Save time

c. Small mouth

d. Psychology

36 / 60

Function of lentulo :

a. Used to place materials into the canal by low speed=4000-8000t/mn

b. Used to place materials into the canal by low speed=3000-6000t/mn

c. Used to place materials into the canal by low speed=1000-2000/mn

d. Used to place materials into the canal by low speed=2000-3000t/mn

37 / 60

Access cavity of maxillary central incisor is :

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

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

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 mesial

38 / 60

Treatment of acute irreversible pulpitis :

a. Extraction

b. Treatment of acute irreversible pulpitis :

c. Pulpotomy

d. Filling amalgam

39 / 60

Access goals is :

a. Maintain as much tooth structure as possible

b. Enlarge enough to have good file path

c. All are corrects

d. Open into pulp chamber

40 / 60

Ca(OH)2ជាប្រភេទថ្នាំសំរាប់:

a. Irrigate

b. pulp capping

c. All are corrects

d. Dressing

41 / 60

Minor foramen គឺជាផ្នែកចំហរដែលនៅជាប់បន្តជាមួយ :

a. Root canal orifice

b. Constriction apical

c. Furcation canal

d. Canal lateral

42 / 60

Etiology of pulpitis:

a. traumatic occlusion

b. dental caries and traumatic occlusion

c. dental caries

d. tooth pain

43 / 60

Early stages of the pulp inflammation can be see:

a. Deep decay.

b. Before decay reaches the pulp.

c. Tooth injury

d. Chip tooth

44 / 60

Clinical signs of acute irreversible pulpitis :

a. Response with hot

b. No spontaneous pain

c. Percussion negative response

d. Spontaneous pain

45 / 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

46 / 60

Type I, canal configurations :

a. Has two canal from chamber to apex.

b. Is a single canal from the chamber to apex

c. Has a single canal that divides into two separate canals

d. Has three separate canals from chamber to apex.

47 / 60

Clinical signs of hyperplastic pulpitis:

a. Almost children and young adults

b. Polyp gingival

c. Red pinkish soft nodule protruding into the cavity

d. All are corrects

48 / 60

Clinical signs of chronic pulpitis :

a. Percussion: negative response

b. Spontaneous pain

c. Pain by cold

d. Pain absent or mild to moderate and intermittent

49 / 60

function of probe :

a. obturation

b. to enlarge canal

c. to detect canal

d. to enlarge canal and obturation

50 / 60

Compacter has :

a. Lij = WL – 1mm

b. Lij = WL -2mm

c. Li j= WL – 3mm

d. Li j= WL – 4mm

51 / 60

គោលការណ័ជាមូលដ្ថានក្នុងការរៀបចំរន្ធឬសគឺរៀបចំផ្នែក:

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

b. 1/2 root,1/2apical

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

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

52 / 60

Pulp capping is:

a. to preserve the vitality of a potentially infected pulp

b. All are corrects

c. to preserve the caries

d. to preserve the pulp necrosis

53 / 60

The standards instrument lengths :

a. 21 mm

b. 20 mm

c. 19 mm

d. 18 mm

54 / 60

speed of gate is:

a. 800t/mn

b. 700t/mn

c. 8000t/mn

d. 600t/mn

55 / 60

Clinical signs of hyperplastic pulpitis:

a. Red pinkish soft nodule protruding into the cavity

b. Polyp gingival

c. Red pinkish soft nodule protruding into the cavity and Almost children and young adults

d. Almost children and young adults

56 / 60

Function of tirenerf :

a. Enlarge the root canal

b. Remove the pulp

c. Working length

d. Remove gutta-percha

57 / 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. Triangular with the base toward the border libre and apex toward the mesial

d. Oval is wider buccal-lingual

58 / 60

Contraindications of indirect pulp capping is:

a. definite pulp exposure

b. Prolonged night pain

c. No pulp exposure

d. Prolonged night pain and definite pulp exposure

59 / 60

Clinical signs of acute reversible pulpitis:

a. All are corrects

b. percussion is generally negative response

c. tooth mobility

d. spontaneous pain

60 / 60

Pulp chamber :

a. មិនទៀងទាត់

b. ចំពោះធ្មេញកូនក្មេង Pulp Chamber រួម តូច

c. ចំពោះធ្មេញមនុស្សចាស់ Pulp Chamber រីកធំ

d. រួមតូចបន្តិចម្តងៗទៅតាមអាយុកាលរបស់វា

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The average score is 87%

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត