AUTHOR=Ahmad Muhammad Zubair TITLE=Effects of intracanal cryotherapy on postoperative pain in necrotic teeth with symptomatic apical periodontitis: a randomized controlled clinical trial JOURNAL=Frontiers in Dental Medicine VOLUME=Volume 6 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/dental-medicine/articles/10.3389/fdmed.2025.1543383 DOI=10.3389/fdmed.2025.1543383 ISSN=2673-4915