Pediatric Endodontics MCQs _ Pedodontics MCQs (Dental Pulse)

Pediatric Endodontics MCQs _ Pedodontics MCQs (Dental Pulse)

1. Which of the following materials is the most ideal for indirect pulp capping?
A) Calcium hydroxide
B) Zinc oxide eugenol cement
C) Zinc oxide powder only
D) Zinc oxyphosphate cement

2. Pulpless primary incisor (abscess caused by trauma) in 4-year-old patient can be effectively treated by:
A) Pulpectomy
B) Extraction
C) 5-minute formocresol pulpotomy
D) 7-day formocresol pulpotomy

3. The simplest form of pulp therapy is:
A) Apicoccetomy
B) Pulp capping
C) Pulpectomy
D) Pulpotomy

4. The most successful treatment for a vital primary second molar with a large carious and pulpal exposure is:
A) Indirect pulp treatment
B) Pulpotomy with formocresol
C) Pulpotomy with calcium hydroxide
D) Pulp capping with calcium hydroxide

5. Ideal root canal filling for primary teeth:
A) Calcium hydroxide-iodine mixture
B) Zinc oxide-eugenol
C) Gutta percha
D) Ferric sulphate

6. The effect of formocresol on the pulp following treatment of a primary tooth is:
A) Calcified bridge is formed
B) Massive infiltration of inflammatory cells
C) Surface fixation of pulpal tissue accompanied by degeneration of odontoblasts
D) Pulp remains vital throughout and relatively unchanged, however all microorganisms are destroyed

7. The % formaldehyde in Buckley’s formocresol is:
A) 15%
B) 19%
C) 25%
D) 20%

8. A 4-year child’s radiograph shows small radiolucency in the bifurcation area of primary lower second molar. There is bleeding on opening the root canal. The most likely treatment is:
A) Pulpectomy and stainless steel crown
B) Pulpotomy
C) Extraction of the tooth
D) Observe, no treatment necessary

9. Pulp therapy which sweet name associated with:
A) Formocresol pulpotomy
B) Beech wood cresol pulpotomy
C) Non-vital pulpotomy
D) Pulpectomy

10. The best filling material in deciduous teeth for RCT:
A) Gutta-percha
B) Calcium hydroxide
C) Zinc Oxide Eugenol
D) Amalgam

11. Indirect pulp therapy:
A) Removes all the layers of carious dentin
B) Removes all the bacteria from carious lesion
C) Is successful with teeth having clinical evidence of pulpal or periapical pathosis
D) Is dependant on remineralisation of affected dentin and reparative dentin formation

12. During restoration, mechanical exposure of mesiobuccal pulpal horns in the primary maxillary 1st molar with moderate caries lesion on mesial and distal surfaces, the treatment now should be:
A) Pulp capping with dycal, restore with silver amalgam
B) Pulpotomy, restore with stainless-steel crown
C) Pulpectomy, restore with stainless-steel crown
D) Pulp capping with dycal, restore with stainless-steel crown

13. 3-year-old child has a central incisor that has turned bluish black. There is a small radiolucent area at the apex of the tooth. Ideal treatment is:
A) Extraction
B) Pulpotomy with formocresol
C) Pulpectomy: fill with zinc oxide eugenol
D) Pulpotomy with calcium hydroxide

14. Which of the following is a contraindication for pulp capping and pulpotomy:
A) Accidental exposure in a vital tooth
B) If there is inflammation of the radicular pulp and pain
C) Greatly curved and tortuous roots
D) None of the above

15. The success of the calcium hydroxide pulpotomy is determined by:
A) Formation of calcific bridge
B) Formation of hard base to support restoration
C) Continuation of root formation and Apexogenesis
D) All of the above

16. A 10-year-old boy fractured his central incisor 1 ½ year back. His pulp test is negative. What is the treatment:
A) Debridement of pulp space and apexification
B) RCT
C) Debridement and pulpotomy
D) Observe, no treatment

17. Which of the following is an indication of indirect pulp capping?
A) Lingering sensitivity to hot and cold
B) Throbbing of the affected teeth after thermal stimulation
C) No history of spontaneous pain
D) Sensitivity to percussion

18. Cvek pulpotomy refers to:
A) Partial pulpotomy
B) Cervical pulpotomy
C) Glutaraldehyde pulpotomy
D) Formocresol pulpotomy

19. On the day following a formocresol pulpotomy of a mandibular molar, a three-year-old patient returned with a large ulcer near the midline of the lower lip. What is the probable cause of the ulcer?
A) Lip biting by the patient
B) Allergy to the anaesthetic solution
C) Pressure by the rubber dam frame
D) Leakage of formocresol on the lip

20. The cotton applied to the pulpal stumps in the formocresol pulpotomy technique should be:
A) Slightly dampened with formocresol
B) Saturated with formocresol
C) Left for 2 hours in the cavity
D) Sealed until the next appointment

21. Following amputation of the coronal portion of the pulp of an immature permanent first molar the stump should be capped with:
A) Formocresol
B) Calcium chloride
C) Thymol zinc oxide
D) Calcium hydroxide

22. Indirect pulp capping procedures on primary molars are indicated when:
A) Removal of decay has exposed the pulp
B) A tooth has a large, long-standing lesion with a history of continuous pain
C) The various lesion has just penetrated the dentinoenamel junction
D) The various lesion is suspected of producing an exposure of the pulp

23. Treatment for pulpless young tooth is:
A) Apexogenesis
B) Apexification
C) Pulpotomy
D) Mummification

24. Pulpectomy and pulp capping are more successful in primary teeth because of:
A) Increased odontoblastic activity in the young
B) Increased blood supply through the wide apex
C) Increased volume of pulp in primary teeth
D) Lesser amount of collagen fibres in young

25. 5 hours ago a 7-year-old boy had a fall. He fractured his maxillary right central incisor at gingival level. The exposed pulp is still vital. Treatment of choice is:
A) Pulpotomy
B) Pulpectomy
C) Extraction of the tooth
D) Pulp capping

26. The most important criterion of success in a pulpotomy in a young permanent central incisor would be whether:
A) The uncompleted root end would complete its development
B) The root end remained open if not fully developed when treatment was started
C) A bridge of secondary dentin became radiographically demonstrable
D) Pulp stones were in evidence several months after treatment

27. High rate of failure after direct pulp capping in primary teeth is due to:
A) Low vascularity of pulp
B) High cellular content of pulp
C) Large number of unmyelinated nerves
D) Narrow ribbon-shaped root canals

28. The failure of a calcium hydroxide pulpotomy done on a primary 1st molar is due to:
A) Internal resorption
B) External resorption
C) Pulp calcification
D) Pulp fibrosis

29. A large exposure of pulp within 24 hours is treated by:
A) Pulpotomy
B) Pulpectomy
C) Indirect pulp capping
D) Direct pulp capping

30. In formocresol, ratio of formalin to cresol is:
A) 3:2
B) 2:3
C) 1:2
D) 2:1

31. Pulp mummification is indicated in:
A) Non-vital tooth
B) Deep caries on a symptomatic vital tooth
C) Traumatic exposure of a vital tooth
D) Traumatic exposure of a vital tooth with open wide apex

32. The ideal restoration following pulpotomy in a primary tooth is:
A) Amalgam
B) Glass ionomer
C) Composite
D) Stainless steel crown

33. Mandibular deciduous tooth with poor prognosis, alveolar abscess and necrotic pulp, the treatment of choice is:
A) Extraction
B) RCT
C) Apicoectomy
D) Drainage of abscess

34. The amount of pulp tissue to be removed during a formocresol pulpotomy should be:
A) Half of all the coronal pulp
B) The entire coronal pulp down to the cervical constriction of each root canal
C) Coronal pulp down to the area of bifurcation
D) Down to the apex of each root canal

35. The medicament that may be used on a direct pulp capping procedure is:
A) Hydrex
B) Pulpdent
C) Dycal
D) All of the above

36. To stimulate root apex formation in incompletely developed young permanent anterior teeth, Frank suggests a technique that uses:
A) Dilute formocresol
B) Buckley’s formocresol
C) Beech wood cresol
D) Ca(OH)₂ and CMCP

37. In order to ensure successful indirect pulp capping, the most important criterion is:
A) Removal of all caries
B) Placement of a temporary restoration with excellent sealing properties
C) Use an agent that stimulates secondary dentin formation
D) None of the above

38. The objectives of indirect pulp capping include the following except:
A) Preserve vitality of the pulp
B) Eliminate the removal of deep caries
C) Prevent direct exposure of the pulp
D) Promote secondary dentin formation

39. The prognosis of direct pulp capping is best in:
A) Mechanically exposed primary tooth
B) Curiously exposed permanent tooth
C) Mechanically exposed permanent tooth
D) Curiously exposed primary tooth

40. Sealant programme is done to:
A) All individuals in fluoridated and non-fluoridated areas
B) Young and adolescent in non-fluoridated areas
C) Only children in non-fluoridated areas
D) Not necessary in children living in fluoridated area

41. The Buckley’s solution is composed of:
A) Cresol, formaldehyde, water and glycerin
B) Formaldehyde, resorcinol, water
C) Iodoform, glutaraldehyde, ZOE
D) Chloraldehyde, parachloral, methanol water

42. The KRI paste is composed of:
A) Iodoform, camphor, parachlorophenol and menthol
B) Iodoform and ZOE
C) Parachlorophenol, camphor and menthol
D) Calcium hydroxide and iodoform

43. In a 3-year-old patient the cement used after pulpectomy is:
A) Ca(OH)₂
B) ZOE
C) Ca(OH)₂ + CMCP
D) Active transport

44. Formocresol saturated cotton pellet is placed over the amputated pulp stumps for:
A) 1 minute
B) 2 minutes
C) 4 minutes
D) 5 minutes

45. The “Pulse oximetry” is used in the determination of:
A) Rate of flow
B) Oxygen saturation
C) Blood volume
D) Blood coefficient

46. An 8-year-old child with normal tooth calcification and eruption has primary mandibular second molar extracted. The resulted space should be:
A) Maintained until the premolar root is 2/3 developed
B) Closed slightly to accommodate the smaller premolar
C) Ignored, because the second premolar will erupt in a short time
D) Left untreated, the difference in size will compensate for any drifting

47. The percentage of glutaraldehyde, as a medicament during primary tooth pulpotomy is:
A) 4.0%
B) 3.0%
C) 1.5%
D) 2.0%

48. Which of the following can be used as best Root End Filling Material?
A) MTA
B) ZOE
C) Amalgam
D) Calcium Hydroxide

49. Obturation of deciduous tooth can be done with:
A) Gutta percha
B) Iodoform paste
C) Silver points
D) Thermoplasticized gutta percha

50. Who developed the complete pulpectomy technique for primary molars?
A) Pinkham
B) Starkey
C) Mc Donald
D) Finn

51. Radiographically, first time, chronic pulpal infection of primary molars is noted as:
A) Periapically bony changes
B) Root resorption
C) Changes in bony furcation area
D) Widening of apical periodontal ligament