Endodontics Test

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Endodontics Test

1 / 60

Treatment of chronic hyperplastic pulpitis (pulp polyp) :

a. Root canal treatment

b. Remove the cause

c. Pulpotomy

d. Pulp capping

2 / 60

Action of H-file is :

a. O`clock wise 1/4 turn twist

b. O`clock wise 1/2 turn twist

c. Withdrawal

d. All are corrects

3 / 60

Function of plugger :

a. To absorb any moisture in the canal

b. Condensing the gutta-percha vertical

c. Condensing the gutta-percha lateral.

d. To enlarge the canal

4 / 60

Indication of direct pulp capping :

a. Small mechanical exposures less than 1mm

b. Large pulp exposures

c. Spontaneous pain

d. Small mechanical exposures less than 2mm.

5 / 60

Root canal គឺ:

a. ជារន្ធឬសធ្មេញបន្តពីorifice

b. All are correct

c. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល3 mm

d. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល1-2mm

6 / 60

Types of chronic pulpitis is:

a. necrosis and hyperplastic pulpitis (pulp polyp)

b. swelling

c. hyperplastic pulpitis (pulp polyp)

d. necrosis

7 / 60

Contraindication of rubber dam:

a. Patiens small mouth

b. Grossly carious teeth

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

d. Recently erupted tooth

8 / 60

Mobility tests in endodontic grade I is :

a. Within 2mm of horizontal movement

b. Within 3mm of horizontal movement

c. Noticeable horizontal movement in its socket

d. Within 1mm of horizontal movement

9 / 60

Progression of tooth disease :

a. Pulp necrosis , pulpitis and abscess

b. pulpitis , abscess ,necrosis

c. Abscess , pulp necrosis and pulpitis

d. Pulpitis , pulp necrosis and abscess

10 / 60

Why would need an endodontic procedure :

a. Root fracture

b. Reduce the swelling

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

d. Reduce the pain

11 / 60

ការរៀបចំផ្នែក1/3 collar ត្រូវប្រើ:

a. Gate

b. Endo-Z

c. all are corrects

d. Cylinder burs

12 / 60

Canal lateral គឺជា រន្ធបន្ថែមមានប្រភពចេញពី :

a. Foramen

b. Roof of pulp chamber

c. Pulp chamber

d. Canal principal

13 / 60

Contraindication of endodontics:

a. Teeth with vertical root fracture

b. Internal resorption

c. Internal resorption and Teeth with external root resorption

d. Teeth with external root resorption

14 / 60

Anesthetic tests in endodontic is used when:

a. usual tests have failed

b. sensitivity with hot or cold

c. pain when biting down

d. discolouration of the tooth

15 / 60

The standards instrument lengths :

a. 21 mm

b. 18 mm

c. 20 mm

d. 19 mm

16 / 60

Etiology of acute reversible pulpitis is:

a. dental caries and cavity preparation

b. crown fracture

c. dental caries

d. cavity preparation

17 / 60

Early stages of the pulp inflammation can be see:

a. Tooth injury

b. Chip tooth

c. Before decay reaches the pulp.

d. Deep decay.

18 / 60

Black espac គឺលំហរស្ថិតនៅចន្លោះ :

a. Canal principal & ligament

b. Minor foramen & major foramen

c. Roof of pulp chamber&Foor of pulp chamber

d. Orifice & constriction

19 / 60

Anesthetic test performed:

a. tooth pain

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

c. tooth mobility

d. tooth pain and tooth mobility

20 / 60

Mobility tests in endodontic grade II is :

a. Within 4mm of horizontal movement

b. Within 1mm of horizontal movement

c. Within 2mm of horizontal movement

d. Within 3mm of horizontal movement

21 / 60

Access cavity of maxillary first molar is :

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

b. Oval is wider mesial-distal

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

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

22 / 60

Average age of eruption mandibular central incisor is:

a. 8-9 years

b. 6-7years

c. 11-12years

d. 12-13years

23 / 60

Mandibular canine has :

a. 1 root & 1 canal 100%

b. 1 root & 1 canal 70%

c. 1 root & 2 canals 80%

d. 1 root &2 canals 50%

24 / 60

គោលការណ័ជាមូលដ្ថានក្នុងការរៀបចំរន្ធឬសគឺរៀបចំផ្នែក:

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

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

c. 1/2 root,1/2apical

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

25 / 60

Average length of maxillary central incisor is:

a. 22.5mm

b. 25mm

c. 26mm

d. 24mm

26 / 60

Hydrogen peroxide 10 volume :

a. ហាមប្រើជាមួយ NaOCL

b. ប្រើបានករណីធ្មេញមានបញ្ហាចុងឬស

c. មិនអាចប្រើករណីធ្មេញមានបញ្ហាចុងឬស

d. ហាមប្រើជាមួយ NaOCL and មិនអាចប្រើករណីធ្មេញមានបញ្ហាចុងឬស

27 / 60

ការដូរantiseptic រយះពេលដែលត្រូវល្អបំផុតគឺ:

a. 15 ថ្ងៃម្តង

b. 7 ថ្ងៃម្តង

c. 10 ថ្ងៃម្តង

d. 3 ថ្ងៃម្តង

28 / 60

Function of gates :

a. Remove the pulp

b. Drill

c. To enlarge the apex during endodontic treatment

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

29 / 60

Clinical signs of acute reversible pulpitis :

a. Pain by hot than cold

b. Spontaneous pain

c. Percussion: positive

d. Absent spontaneous pain

30 / 60

Minor foramen គឺជាផ្នែកចំហរដែលនៅជាប់បន្តជាមួយ :

a. Canal lateral

b. Root canal orifice

c. Furcation canal

d. Constriction apical

31 / 60

Mobility tests in endodontic grade III is:

a. Horizontal movement greater than 3mm

b. Horizontal movement greater than 1mm and/or vertical

c. Horizontal movement greater than 2mm

d. Horizontal movement greater than 1mm

32 / 60

Contraindication for endodontic:

a. External root resorption

b. Esthetic

c. Internal root resopi

d. Tooth abscees

33 / 60

Mobility tests in endodontic grade I is:

a. Noticeable horizontal movement is its socket

b. Within 3mm of horizontal movemen

c. Within 2mm of horizontal movement

d. Within 1mm of horizontal movement

34 / 60

Lateral condensation is:

a. Technique compact gutta-percha against the canal wall

b. Technique compact gutta-percha by horizontal root

c. All are corrects

d. Technique compact gutta-percha by vertical root

35 / 60

Average age of eruption maxillary second molar:

a. 12-13 years

b. 6-7 years

c. 7-8 years

d. 9-10 years

36 / 60

Disadvantages of step back technique :

a. Chances of pushing debris into peri-apical

b. No avoids zipping

c. It reduces pressure

d. No better tactile awareness

37 / 60

Disadvantage of lateral condensation technique :

a. Save time

b. It may fill the canal irregularities

c. It prevent overfilling by length control during condensation

d. It can by widely in most cases

38 / 60

Black espac គឺជាលំហរស្ថិតនៅចន្លោះ:

a. minor foramen & major foramen

b. apex & constriction

c. pulp chamber & root canal

d. minor foramen & apex

39 / 60

Access cavity of maxillary canine is :

a. Oval is wider mesial-distal

b. Oval is wider buccal-palatal

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

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

40 / 60

Clinical signs of hyperplastic pulpitis:

a. Red pinkish soft nodule protruding into the cavity

b. Almost children and young adults

c. Polyp gingival

d. All are corrects

41 / 60

Pulp chamber :

a. រួមតូចបន្តិចម្តងៗទៅតាមអាយុកាលរបស់វា

b. ចំពោះធ្មេញកូនក្មេង Pulp Chamber រួម តូច

c. មិនទៀងទាត់

d. ចំពោះធ្មេញមនុស្សចាស់ Pulp Chamber រីកធំ

42 / 60

Etiology of pulpitis:

a. dental caries and traumatic occlusion

b. dental caries

c. traumatic occlusion

d. tooth pain

43 / 60

Mandibular central incisor has only 1 root but :

a. 1 root & 1 canal 80%

b. 1 root & 1 canal 70%

c. 1 root & 1 canal 100%

d. 1 root & 1canal 50%

44 / 60

Disadvantages of technique dam first:

a. Save time

b. Grossly carious teeth

c. Psychology

d. Small mouth

45 / 60

functions of endodontic block is:

a. enlarge canal

b. enlarge canal and to place materials into the canal

c. used to measure the length of finger instruments

d. to place materials into the canal

46 / 60

speed of lentulo is:

a. 6000-7000tmn

b. 7000-8000t/mn

c. 8000-9000t/mn

d. 3000-6000t/mn

47 / 60

Indication of endodontic treatment :

a. Tooth not restorable

b. Insufficient periodontal support

c. To be provided for intraradicula post and core

d. Basic phase of treatment

48 / 60

Advantages of crown down technique :

a. Avoids zipping

b. It reduces pressure

c. Save time

d. Keep apical prep small in original position gradual tape

49 / 60

Access cavity of maxillary first premolar is :

a. Oval is wider buccal-palatal

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. Oval is wider mesial-distal

50 / 60

Average age of eruption for mandibular first molar is:

a. 6-7 years

b. 10-11 years

c. 9-10 years

d. 8-9 years

51 / 60

Maxillary central incisor has :

a. 1 root & 2canal 50%

b. 1root & 2 canal

c. 1 root 100%

d. 1 root & 2 canal 20%

52 / 60

Average age of eruption mandibular first premolar:

a. 10-12 years

b. 6-7 years

c. 7-8 years

d. 11-12 years

53 / 60

Contraindications of indirect pulp capping is:

a. Small exposures less than 1mm and Small exposures less than 2mm

b. Small exposures less than 2mm

c. Small exposures less than 1mm

d. Negative reaction of electric pulp testing

54 / 60

Contraindication of endodontics:

a. Teeth with external root resorption

b. Teeth with vertical root resorption and Teeth with external root resorption

c. Internal resorption

d. Teeth with vertical root resorption

55 / 60

Advantages of rubber dam :

a. Psychology

b. Save time

c. Prevents any aspiration or ingestion of dental instrument

d. Takes time to be applied

56 / 60

Average age of eruption mandibular second molar:

a. 11-13years

b. 14-15years

c. 1011years

d. 9-10years

57 / 60

Action of reamer:

a. Withdrawal

b. O`clock wise quarter turn twist

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

d. O`clock wise half turn twist

58 / 60

Clinical signs of acute irreversible pulpitis :

a. Percussion negative response

b. Response with hot

c. Spontaneous pain

d. No spontaneous pain

59 / 60

Speed of lentulo:

a. 3000-6000t/mn

b. 800t/mn

c. 6000-7000t/mn

d. 7000-8000t/mn

60 / 60

function of probe :

a. to enlarge canal and obturation

b. to enlarge canal

c. obturation

d. to detect canal

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត