ADC Practice Question — Endodontic Considerations

If a corticosteroid/antibiotic paste is chosen instead, when should it be placed and for how long?

Dental trauma questions test protocol-level decisions — splint type, duration, follow-up timing — where one wrong detail means a wrong answer. This exam-level vignette tests your ability to work through clinical details and arrive at the correct management.

A 15-year-old's closed-apex replanted incisor is undergoing root canal treatment 12 days after replantation. The dentist debates which intracanal medicament to use and for how long. If a corticosteroid/antibiotic paste is chosen instead, when should it be placed and for how long?

A. Immediately or shortly after replantation, left in situ for at least 6 weeks minimum
B. At the 2-week RCT appointment only, left for 1 month before root canal filling procedure
C. Only after signs of inflammatory resorption appear on radiographic examination at follow-up
D. Applied weekly for 4 consecutive weeks, with fresh paste placed at each weekly appointment

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Sources cited

Therapeutic Guidelines v4 Odell's 3rd & 4th Ed IADT 2020 Code of Conduct CMS (Evans) Infection Control + more

Show the answer and cited explanation

Correct answer: A

IADT: 'If a corticosteroid or corticosteroid/antibiotic mixture is chosen, it should be placed immediately or shortly after replantation and left in situ for at least 6 weeks.' This contrasts with Ca(OH)2 which is placed at the 2-week RCT and stays up to 1 month. SOURCE — Fouad AF et al. IADT Avulsion Guidelines, Dent Traumatol 2020;36:331-342, Section 10

Source: Fouad AF et al. IADT Avulsion Guidelines, Dent Traumatol 2020;36:331-342, Section 10

Remy's study tip — Trauma questions hinge on: tooth maturity (open vs closed apex), time out of mouth, storage medium, and fracture type.

Exam preparation FAQ

Should I memorise guidelines word-for-word for Endodontic Considerations?

Focus on decision points — when the guideline says X vs Y. The exam tests application, not recitation.

How are Endodontic Considerations questions structured in the ADC written exam?

ADC Endodontic Considerations questions present as clinical vignettes requiring management decisions. The correct answer is always traceable to a guideline source.

Every answer, traced to the source.

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If a corticosteroid/antibiotic paste is chosen instead, when should it be placed and for how long?

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