Could fewer files mean less pain after root canals?
Disease control
Completed
This trial compares root canal treatments using one, two, three, or four rotary files to see if the number of instruments affects how well dentists can reach a tricky second canal in upper molars and how much pain patients feel afterward. Adults with asymptomatic apical periodont…
Sponsor: Mehmet Adıgüzel • Aim: Disease control
Last updated Sep 10, 2026 03:00 UTC