For avulsion with open apex and extraoral time less than 60 minutes, which step supports revascularization?

Prepare for the American Board of Pediatric Dentistry Oral Boards. Utilize flashcards and multiple-choice questions with hints and explanations to ace your exam!

Revascularization after avulsion with an open apex relies on a clean, infection-free environment around the tooth to allow pulp tissue to re-grow through the wide apex. Applying an antibiotic locally to the socket or root surface directly reduces the bacterial load at the site, which is the key factor that enables this revascularization process. By limiting local infection and inflammatory damage, the surrounding tissues are more likely to support pulp revascularization and healing.

Systemic antibiotics, while helpful for overall infection control, don’t guarantee a sterile local environment at the root surface and socket; no antibiotics would leave the site at higher risk for infection and hinder healing. Tetanus vaccination, though important for preventing tetanus, does not influence the biological process of revascularization.