Which dental onlay lasts longest after root canal? a Head-to-Head test
Disease control
Ongoing
This trial tests three types of tooth-colored onlays—zirconia, lithium disilicate, and zirconia-reinforced lithium disilicate—placed on molars that have had root canal treatment. It aims to see which material survives best and how they fail over time. Adults aged 17 to 60 with a …
Sponsor: Yousef Mahmoud Salem • Aim: Disease control
Last updated Aug 12, 2026 00:00 UTC