How To Know If You Need A Root Canal Or Filling. If you experience any of the following symptoms, your dentist may recommend root canal treatment. If the pain is persistent and strong, or if your teeth feel particularly weak, it is likely that your tooth’s pulp is damaged and that you will need a root canal.
Your tooth pain is severe. You may have a cracked tooth. One of the signs you need a root canal is persistent pain.
However, after that, you need a crown over the repaired tooth.
Unfortunately, dental decay does not have a lot of symptoms in its early stages. How do i know if i need a root canal or a filling. Worse still, these infections can spread rapidly throughout other areas of your mouth. Root canal treatment is usually successful.