Endodontics SDLE MCQ | Part 3

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NameEmailPhone Number

1 / 50

Category: Endodontics

1) A pediatric patient has horizontal root fracture of primary incisors. What is the management?

Observe and radiographic follow-up

Extract both segments

Extract coronal segment and leave apical

Splint

2 / 50

Category: Endodontics

2) A replanted tooth shows apical resorption with a "scooped out" appearance. What is the management?

Extraction

Intracanal medicament

Apical surgery and retrograde filling

Follow-up

3 / 50

Category: Endodontics

3) A tooth with a 7mm pocket and no pain. What is the treatment?

Apical surgery

Non-surgical RCT

Extraction

Amputation

4 / 50

Category: Endodontics

4) What are the components of RC-Prep?

EDTA, NaOCl, glycol

EDTA, saline, glycol

EDTA, Ca(OH)2, glycol

EDTA, urea peroxide, glycol

5 / 50

Category: Endodontics

5) What is the suitable obturation technique for internal resorption?

Cold lateral condensation

Carrier-based

Warm vertical compaction

Single cone

6 / 50

Category: Endodontics

6) What happens to the permanent tooth after central intrusion?

Devitalization

Hyperplasia of the root

Palatally displaced

Buccally displaced

7 / 50

Category: Endodontics

7) What is the recommended isolation method for RCT in an asthmatic patient?

Rubber dam then cotton rolls

Cotton rolls

Rubber dam

Cotton rolls then rubber dam

8 / 50

Category: Endodontics

8) What is the best management for a 1/3 crown fracture with normal pulpal response?

Crown

Composite build-up

Elective endo and post and core

Extraction

9 / 50

Category: Endodontics

9) A patient with a complicated fracture and open apex. What is the best treatment?

Extraction

RCT

DPC

Pulpectomy

10 / 50

Category: Endodontics

10) A 7-year-old patient with asymptomatic deep caries has a pulp exposure during caries removal. No bleeding during pulpotomy. Why?

Inflamed pulp

It’s normal

Necrotic pulp

Healthy pulp

11 / 50

Category: Endodontics

11) What is the treatment for pulp exposure after 3 days?

RCT

Cervical pulpotomy

Pulpotomy

Partial pulpotomy with MTA

12 / 50

Category: Endodontics

12) What is the management for instruments pushed beyond the apex?

Extraction

Surgical

Reattempt retrieval

Follow-up

13 / 50

Category: Endodontics

13) What is the best obturation technique?

Cold lateral condensation

Warm lateral condensation

Single cone

Carries

14 / 50

Category: Endodontics

14) What is the treatment for a separated instrument in the canal?

Bypass or retrieve

Obturation until the file

Extraction

Apical surgery

15 / 50

Category: Endodontics

15) What is the initial way to diagnose vertical root fracture (VRF)?

MRI

PA

CBCT

Occlusal X-ray

16 / 50

Category: Endodontics

16) What is the likely outcome if a patient undergoes RCT with ferric sulfate?

Apical tooth resorption

External tooth resorption

Internal tooth resorption

Coronal tooth resorption

17 / 50

Category: Endodontics

17) A tooth with an abscess and no response to tests. What is the best management?

Scaling

Antibiotics

Non-surgical RCT

Surgical RCT

18 / 50

Category: Endodontics

18) A separated instrument in the middle third is bypassed. What is the prognosis?

Questionable

Good

Poor

Unpredictable

19 / 50

Category: Endodontics

19) How long should an alveolar fracture be splinted?

1-2 weeks

4 weeks

2-3 weeks

7-8 weeks

20 / 50

Category: Endodontics

20) What is the best prognosis for horizontal root fractures?

Apical

Coronal

Cervical

Middle

21 / 50

Category: Endodontics

21) Calcium hydroxide extruded beyond the apex with no symptoms. What is the management?

RCT

Extraction

Surgical removal

Follow-up

22 / 50

Category: Endodontics

22) What is the best treatment for a 9-year-old with pulp exposure 3 hours post-trauma?

DPC

Pulpotomy

Pulpectomy

RCT

23 / 50

Category: Endodontics

23) A patient with trauma a year ago presents with throbbing pain. What is the best way to prevent complications?

Single side vented needle

Chx irrigation

Double side vented needle

Low concentration NaOCl

24 / 50

Category: Endodontics

24) A patient has throbbing and dull pain. Which nerve fibers are involved?

Myelinated nerve fibers A

Unmyelinated nerve fibers C

Unmyelinated nerve fibers A

Myelinated nerve fibers B

25 / 50

Category: Endodontics

25) What does electric pulp testing (EPT) indicate?

Severity of pulp inflammation

Tooth mobility

Presence of infection

Pulp vitality

26 / 50

Category: Endodontics

26) A tooth has an isolated wide pocket, necrotic pulp, and radiolucency. What is the diagnosis?

Primary endo secondary perio

Combined endo-perio lesion

Normal

Primary perio secondary endo

27 / 50

Category: Endodontics

27) A tooth with a metal crown responds to EPT but not cold. What is the diagnosis?

Reversible

Irreversible

Necrotic

Normal

28 / 50

Category: Endodontics

28) What causes brown precipitation in endodontic treatment?

Calcium hydroxide with saline

EDTA with sodium hypochlorite

MTA with saline

Chx with sodium hypochlorite

29 / 50

Category: Endodontics

29) What type of resorption is seen in a tooth with a very short root 20 years post-trauma?

Surface resorption

Internal

External cervical

Replacement resorption

30 / 50

Category: Endodontics

30) What material is placed in the clot during revascularization of immature teeth?

Gutta-percha

Calcium hydroxide

MTA

Tribiotic

31 / 50

Category: Endodontics

31) What is the main drawback of using MTA in direct pulp capping (DPC)?

Potential toxicity

High cost

Poor sealing ability

Long setting time

32 / 50

Category: Endodontics

32) What type of resorption is associated with intracanal bleaching?

External cervical

External replacement

Surface

Internal

33 / 50

Category: Endodontics

33) What is the most influential factor for successful reimplantation of an avulsed tooth?

Antibiotic

Time

Storage medium

Tetanus

34 / 50

Category: Endodontics

34) What is the management for primary endo secondary perio?

RCT then perio treatment

Perio then RCT

RCT only

Perio only

35 / 50

Category: Endodontics

35) What is the best treatment for a 9-year-old with 3-4mm intrusion?

RCT

Ortho reposition

Extraction

Follow-up

36 / 50

Category: Endodontics

36) How many roots does tooth #27 have?

1

2

3

4

37 / 50

Category: Endodontics

37) A premolar with deep caries and no response to tests. What is the next step?

RCT

Extraction

Remove caries and reassess

Take EPT test

38 / 50

Category: Endodontics

38) How long should a dentoalveolar fracture be splinted?

6 weeks

8 weeks

2 weeks

4 weeks

39 / 50

Category: Endodontics

39) What is the best approach for RCT in a tooth with open apex?

Side-vented needle

Ultrasonic irrigation

Low concentration NaOCl

High concentration NaOCl

40 / 50

Category: Endodontics

40) What is the name of a fracture involving dentin, cementum, and pulp?

Enamel fracture

Complicated

Uncomplicated

Root fracture

41 / 50

Category: Endodontics

41) What are the steps after RCT for final restoration?

CL, post and core, and crown

Mounting, wax-up, preparation, provisional

Preparation and provisional

Extraction

42 / 50

Category: Endodontics

42) What is the difference between crown-down and step-back techniques?

Coronal flare and low torsional flexure

Less time

Fewer instruments

More tissue removal

43 / 50

Category: Endodontics

43) What is the most commonly reported dental trauma in children?

Avulsion

Root fracture

Uncomplicated crown fracture

Complicated crown fracture

44 / 50

Category: Endodontics

44) What does bleeding during pulpotomy indicate?

Normal

Necrosis

Reversible pulpitis

Irreversible pulpitis

45 / 50

Category: Endodontics

45) An 11-year-old with an avulsed tooth for over 60 minutes. What is the best action?

Place in sodium fluoride

Place in sodium hypochlorite

Reimplant immediately

Place in stannous fluoride

46 / 50

Category: Endodontics

46) Which endodontic instrument is the most flexible?

Barbed broach

H file

K file

Reamer

47 / 50

Category: Endodontics

47) What is the treatment for a tooth with open apex?

RCT

Apexogenesis

Pulp revascularization

Apexification

48 / 50

Category: Endodontics

48) Which material has potential toxicity?

MTA

Ferric sulfate

Calcium hydroxide

Formocresol

49 / 50

Category: Endodontics

49) Where is the second canal located in a lower central incisor?

Lingual

Mesial

Labial

Distal

50 / 50

Category: Endodontics

50) What is the initial radiograph modality for suspected VRF in a crowned tooth?

BT

CBCT

MRI

PA

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