Root Canal Explained
HOW IS THE NEED FOR ROOT CANAL TREATMENT DETERMINED?
The need for root canal treatment is determined from x-ray findings and/or certain specific symptoms:
strong or lingering cold sensitivity
chewing or bite sensitivity (in many but not all cases)
The range of symptoms can vary from a simple awareness that something "feels different" to some of the most excruciating pain one is likely to experience.
Although a dying tooth most often experiences one of these symptoms, in some teeth the process progresses to the abscess stage with no symptoms at all. In these cases, only x-rays can allow a diagnosis. You can be assured, root canal treatment will not be recommended unless the need for it is clearly established.