ADC Practice Question — Replantation Protocols — Closed & Open Apex

Despite the poor prognosis, why does the IADT…

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 16-year-old boy's closed-apex upper central incisor has been dry on the ground for approximately 75 minutes before being retrieved. The tooth is clean and intact but the root surface appears dessicated. Despite the poor prognosis, why does the IADT recommend replanting this tooth?

A. Because ankylosis can be reversed with corticosteroid therapy applied during root canal treatment
B. To maintain alveolar bone contour and keep future treatment options open for the patient
C. Because all avulsed teeth have a 50% or greater chance of successful periodontal healing
D. To satisfy the parent's expectation — clinical guidelines prioritize patient satisfaction outcomes

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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: B

IADT: 'The goal of replantation in these cases is to restore, at least temporarily, esthetics and function while maintaining alveolar bone contour, width, and height. Replantation will keep future treatment options open. The tooth can always be extracted later if needed.' SOURCE — Fouad AF et al. IADT Avulsion Guidelines, Dent Traumatol 2020;36:331-342, Section 3.1.3

Source: Fouad AF et al. IADT Avulsion Guidelines, Dent Traumatol 2020;36:331-342, Section 3.1.3

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

How do I approach an unfamiliar Replantation Protocols — Closed & Open Apex vignette?

Extract key clinical data from the stem before reading options. There are usually 3–4 critical variables that determine the correct answer.

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Despite the poor prognosis, why does the IADT…

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