Why Root Canals Can Hide Large Active Infections Without a Single Symptom
3 Jul 2026 · 0 min

0:21
In this brief segment Dr. Katie To explains that teeth that have undergone root‑canal treatment can harbor large, active infections in the surrounding bone without producing any pain or obvious symptoms. Because the root‑canal procedure removes the tooth’s nerve tissue and disrupts its blood supply, the treated tooth no longer transmits pain signals. Consequently, patients may be completely unaware that a chronic infection is progressing silently within the jawbone, which can have serious long‑term health implications.










