Endodontics Test

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Endodontics Test

1 / 60

Furcation canal គឺជា រន្ធបន្ថែមមានប្រភពចេញពី :

a. Roof of pulp chamber

b. Floor of pulp chamber

c. Apex

d. Pulp horn

2 / 60

Step back technique :

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

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

c. The instruments are used in one size

d. Use by gate

3 / 60

Indication of indirect pulp capping is:

a. No internal or external root resorption detectable radiographic

b. Small exposures less than 2mm

c. Small exposures less than 1mm

d. All are corrects

4 / 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 palatin and apex toward buccal

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

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

5 / 60

Pulp chanberស្ថិតនៅខាងក្នុងនៃផ្នែកតួធ្មេញដែលរួមមាន:

a. pulp horn , roof of pulp, floor of pulp

b. All are corrects

c. pulp horn , roof of pulp, floor of pulp , furcation canal , canal lateral

d. pulp horn , roof of pulp, floor of pulp , furcation canal

6 / 60

Function of gates :

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

b. Remove the pulp

c. To enlarge the apex during endodontic treatment

d. Drill

7 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលពេលណា :

a. NaOCL2.5% + serum saline

b. NaOCL2.5% + Hydrogen peroxide

c. NaOCL2.5% + H2O

d. NaOCL2.5% + Calcium hydroxide

8 / 60

Types of chronic pulpitis is:

a. necrosis

b. necrosis and hyperplastic pulpitis (pulp polyp)

c. swelling

d. hyperplastic pulpitis (pulp polyp)

9 / 60

Disadvantage of vertical condensation technique :

a. It prevent overfilling by length control during condensation

b. Time consuming

c. Risk of vertical root fracture

d. It may fill the canal irregularities

10 / 60

Advantages of crown down technique :

a. Avoids zipping

b. Save time

c. It reduces pressure

d. Keep apical prep small in original position gradual tape

11 / 60

Indication of indirect pulp capping is:

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

b. No radiographic evidence of radicular disease

c. Small exposures less than 1mm

d. No history of spontaneous toothache

12 / 60

Types of acute pulpitis is:

a. hyperplastic pulpitis

b. reversible pulpitis and irreversible pulpitis

c. reversible pulpitis

d. irreversible pulpitis

13 / 60

Mandibular central incisor has only 1 root but :

a. 1 root & 1 canal 70%

b. 1 root & 1 canal 80%

c. 1 root & 1canal 50%

d. 1 root & 1 canal 100%

14 / 60

Ca(OH)2ជាប្រភេទថ្នាំសំរាប់:

a. pulp capping

b. Irrigate

c. Dressing

d. All are corrects

15 / 60

Average age of eruption mandibular central incisor is:

a. 12-13years

b. 11-12years

c. 8-9 years

d. 6-7years

16 / 60

Pulp chamber កាន់តែរួមតូចដោយសារ:

a. បាតុភូតពីខាងក្រៅ(ការទំពារ)

b. អាយុកាល(វ័យ)

c. All are corrects

d. ការករកើតsecondary dentine

17 / 60

Access cavity of mandibular central incisor is :

a. Oval is wider mesial-distal

b. Oval is wider buccal-lingual

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

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

18 / 60

Contraindications of direct pulp capping is:

a. Spontaneous pain

b. pain

c. pain and Spontaneous pain

d. No pain

19 / 60

Speed for peeso:

a. 800t/mn

b. 1000t/mn

c. All are corrects

d. 1500t/mn

20 / 60

Indication of indirect pulp capping is:

a. Mild pain associated with eating

b. Spontaneous toothache

c. No pulp exposure

d. No pulp exposure and Mild pain associated with eating

21 / 60

Treatment of acute reversible pulpitis :

a. Take the pulp chamber

b. Root canal treatment

c. Remove the cause

d. Extraction

22 / 60

Average age of eruption mandibular second premolar:

a. 8-9 years

b. 7-8 years

c. 11-12 years6-7 years

23 / 60

Mobility tests in endodontic grade II is :

a. Within 4mm of horizontal movement

b. Within 3mm of horizontal movement

c. Within 1mm of horizontal movement

d. Within 2mm of horizontal movement

24 / 60

Etiology of acute reversible pulpitis:

a. dental caries and cavity preparation

b. cavity preparation

c. abscess

d. dental caries

25 / 60

Function of gutta-percha :

a. To enlarge the canal

b. Working length

c. To absorb any moisture in the canal

d. Obturation

26 / 60

Average length of maxillary central incisor is:

a. 22.5mm

b. 24mm

c. 25mm

d. 26mm

27 / 60

paralleling technique:

a. film place parallel to the long axis of the tooth and the X ray pass perpendicular to the long axis of the tooth

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

c. the X ray pass perpendicular to the angular bisector of the tooth

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

28 / 60

Contraindication of endodontics:

a. Internal resorption and Teeth with external root resorption

b. Internal resorption

c. Teeth with external root resorption

d. Teeth with vertical root fracture

29 / 60

Disadvantages of crown down technique :

a. Holds greater volume of irrigate – enhances cleaning.

b. It reduces pressure

c. Increased removal of tooth structure

d. Save time

30 / 60

Etiology of pulpitis:

a. traumatic occlusion

b. dental caries and traumatic occlusion

c. dental caries

d. tooth pain

31 / 60

Root canal គឺ:

a. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល3 mm

b. ជារន្ធឬសធ្មេញបន្តpulp chamber នៅក្រោមcervical ប្រហែល1-2mm

c. All are correct

d. ជារន្ធឬសធ្មេញបន្តពីorifice

32 / 60

Root canal គឺជារុន្ធឬស:

a. បន្តពីpulp chamber មានorifice នៅក្រោមcervical នៃធ្មេញប្រហែល1mm-2mm

b. ស្ថិតនៅចុងនៃ apex

c. ស្ថិតនៅ1/2នៃroot of teeth

d. ស្ថិតនៅ1/3នៃroot of teeth

33 / 60

Disadvantages of technique dam first:

a. Chance of dislodgement and aspiration of clamp while placing rubber dam

b. Grossly carious teeth

c. Small mooth

d. Save time

34 / 60

Palpation:

a. could not give us the state of the pulp

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

c. All are corrects

d. could not give us the size of the swelling

35 / 60

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

a. All are corrects

b. alive teeth nerve

c. irreversible

d. reversible

36 / 60

Average age of eruption maxillary central incisor is :

a. 4-5years

b. 7-8 years

c. 10-11 years

d. 9-10 years

37 / 60

Rubber dam clamp forceps use for:

a. Transfer the holes to dam sheet

b. Psychology

c. Grossly carious teeth

d. Placement and removal clamp from the tooth

38 / 60

Indication of direct pulp capping :

a. Small mechanical exposures less than 2mm.

b. Spontaneous pain

c. Small mechanical exposures less than 1mm

d. Large pulp exposures

39 / 60

Advantages of rubber dam :

a. Easy to work

b. Save money

c. Psychology

d. Increases visibility and accessibility

40 / 60

Function of endodontic block:

a. Used to measure working length

b. All are corrects

c. Used to measure the length of lentulo

d. Used to measure the length of finger instruments

41 / 60

speed of gate is:

a. 8000t/mn

b. 700t/mn

c. 800t/mn

d. 600t/mn

42 / 60

Disadvantages of rubber dam :

a. Psychology

b. No dry field and aseptic

c. No increases visibility

d. Save time

43 / 60

NaOCLប្រើក្នុងការសំអាតរន្ធឬសកើនឥទ្ធិពលទ្វេដងពេលណា :

a. NaOCL ប្រើរួមគ្នាជាមួយserum saline

b. NaOCLត្រូវបានកំដៅ (30អង្សាC)

c. NaOCL ប្រើរួមគ្នាជាមួយHydrogen peroxide

d. NaOCLត្រូវបានកំដៅ (60អង្សាC)

44 / 60

Access opening on premolars with multiple canal :

a. រាងជាប្រលេឡូក្រាម

b. រាងជាត្រីកោណ

c. រាងជាការ៉េ

d. រាងជាពងក្រពើ

45 / 60

Clinical signs of pulp necrosis:

a. Discoloration of tooth

b. All are corrects

c. Vitality test : no respondin

d. Tooth might be asymptomatic

46 / 60

Treatment of pulp necrosis:

a. Pulp capping

b. Root canal treatment

c. Pulpotomy

d. Extraction

47 / 60

Electric pulp tester បង្ហាញ between 40-80 the patient feel ache បញ្ជាក់ថា:

a. alive teeth nerve

b. dead teeth nerve

c. part of teeth nerve dead

d. All are corrects

48 / 60

Access opening on maxillary molars:

a. រាងជាពងក្រពើ

b. រាងជាការ៉េ

c. រាងជាប្រលេឡូក្រាម

d. រាងជាត្រីកោណ

49 / 60

Function of paper point:

a. To remove debris

b. to carry medicament into the canal

c. All are corrects

d. To enlarge the canal

50 / 60

Pulp capping is:

a. to preserve the pulp necrosis

b. to preserve the vitality of a potentially infected pulp

c. All are corrects

d. to preserve the caries

51 / 60

Action of reamer is :

a. O`clock wise 1/4 turn twist

b. Withdrawal

c. O`clock wise 1/2 turn twist

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

52 / 60

Vertical condensation is:

a. Technique compact gutta-percha against the canal wall

b. Technique compact gutta-percha by heat the plugger

c. Technique compact gutta-percha by horizontal root

d. All are corrects

53 / 60

Hydrogen peroxide 10 volume ហាមប្រើចំពោះ :

a. ធ្មេញមានស្នាមប្រេះ

b. ធ្មេញ deep caries

c. Fracture of root

d. ធ្មេញមានបញ្ហាចុងឬស (granuloma)

54 / 60

Apex locator used to determine:

a. irreversible pulpitis

b. reversible pulpitis and irreversible pulpitis

c. reversible pulpitis

d. distance to the apical foramen

55 / 60

Types of pulpitis:

a. irreversible pulpitis

b. acute pulpitis and irreversible pulpitis

c. chronic pulpitis

d. acute pulpitis

56 / 60

Major foramen គឺជាផ្នែកចំហរដែលនៅចុងបំផុតនៃ:

a. Pulp horn

b. Root of tooth

c. Floor of pulp chamber

d. Constriction

57 / 60

Function of finger spreader :

a. To probe the orifice of the root canal

b. To probe the orifice of the pulp chamber

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

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

58 / 60

Contraindication for endodontic:

a. Internal root resopi

b. Esthetic

c. External root resorption

d. Tooth abscees

59 / 60

Contraindication of direct pulp capping :

a. Pain by cold

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

c. Deep caries

d. Pain by hot

60 / 60

Clamps use for:

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

b. Patiens small mouth

c. Transfer the holes to dam sheet

d. Saves time

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និស្សិតអាចប្រាប់មកកាន់ពួកយើងបានដើម្បីកែកំហុស ឬអំពីបញ្ហាដោយអចេតនាណាមួយដែលកើតមានកំឡុងពេលធ្វើតេស្ត