Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
a An intraoral periapical radiograph of #35 with apical periodontitis in a 12-year-old girl. b Three-month follow-up periapical radiograph of tooth #35 after undergoing PRF-aided revascularization. c Six-month follow-up radiograph. d Nine-month follow-up radiograph. e Twelve-month follow-up radiograph showing complete resolution of the periapical radiolucency, thickening of the lateral dentinal walls, and closure of the apex
