A root canal is required when the inner pulp of a tooth becomes infected or inflamed due to deep decay, cracks, or trauma. Common symptoms include persistent tooth pain, sensitivity to hot or cold, swelling, or discoloration of the tooth. Ignoring these signs can lead to abscesses and further complications. https://www.atoallinks.com/2026/root-canals-in-league-city-and-tooth-whitening-solutions/