NBDE Part II – Endodontics Exam
2025 Questions and Answers 100%
Pass
successful results of a root canal - ✔✔1. regeneration of alveolar bone
2. regeneration of the periodontal ligament
3. apical seal
periodical radiolucencies are only able to be visualized after what has been annihilated?
- ✔✔the junction of the cortical and cancellous bone
what steps should be taken to ensure successful replantation of a maxillary central
incisor in a 13 year old patient? - ✔✔1. repositioning
2. splinting
the root canal anatomy of a maxillary first molar with 4 canals requires which shape of
access preparation? - ✔✔blunted triangle/rhombus
emergency endodontic treatment includes what? - ✔✔1. debride the canals
2. placement of a temporary dressing material within the root canals
what is the most common diagnosis for severe pain upon percussion of a tooth? -
✔✔symptomatic apical periodontitis
COPYRIGHT © 2025 BY EMILLY CHARLOTTE, ALL RIGHTS RESERVED 1
, If a permanent maxillary central incisor was avulsed and rigidly splinted, what is the
most likely outcome? - ✔✔replacement resorption
what does a 0.02 taper indicate for a K file? - ✔✔0.02mm increase in diameter per 1mm
of file length
what treatment is indicated for a 5 year old patient with a sinus tract and a dark
discoloration associated with their maxillary central incisor that appeared following
trauma? - ✔✔extraction
what are the contraindications for pulpotomy? - ✔✔internal resorption (root canal
therapy is indicated)
perforation of pulp chamber floor
one half root resorption
cellulitis
localized abscess
draining sinus
inability to isolate the tooth
Inability to properly restore the tooth after the procedure
what do pins do? - ✔✔pins should be placed 2mm into the amalgam
pins should be placed 1mm from the dentin-enamel junction (DEJ)
COPYRIGHT © 2025 BY EMILLY CHARLOTTE, ALL RIGHTS RESERVED 2
2025 Questions and Answers 100%
Pass
successful results of a root canal - ✔✔1. regeneration of alveolar bone
2. regeneration of the periodontal ligament
3. apical seal
periodical radiolucencies are only able to be visualized after what has been annihilated?
- ✔✔the junction of the cortical and cancellous bone
what steps should be taken to ensure successful replantation of a maxillary central
incisor in a 13 year old patient? - ✔✔1. repositioning
2. splinting
the root canal anatomy of a maxillary first molar with 4 canals requires which shape of
access preparation? - ✔✔blunted triangle/rhombus
emergency endodontic treatment includes what? - ✔✔1. debride the canals
2. placement of a temporary dressing material within the root canals
what is the most common diagnosis for severe pain upon percussion of a tooth? -
✔✔symptomatic apical periodontitis
COPYRIGHT © 2025 BY EMILLY CHARLOTTE, ALL RIGHTS RESERVED 1
, If a permanent maxillary central incisor was avulsed and rigidly splinted, what is the
most likely outcome? - ✔✔replacement resorption
what does a 0.02 taper indicate for a K file? - ✔✔0.02mm increase in diameter per 1mm
of file length
what treatment is indicated for a 5 year old patient with a sinus tract and a dark
discoloration associated with their maxillary central incisor that appeared following
trauma? - ✔✔extraction
what are the contraindications for pulpotomy? - ✔✔internal resorption (root canal
therapy is indicated)
perforation of pulp chamber floor
one half root resorption
cellulitis
localized abscess
draining sinus
inability to isolate the tooth
Inability to properly restore the tooth after the procedure
what do pins do? - ✔✔pins should be placed 2mm into the amalgam
pins should be placed 1mm from the dentin-enamel junction (DEJ)
COPYRIGHT © 2025 BY EMILLY CHARLOTTE, ALL RIGHTS RESERVED 2
