If bacteria damage a tooth, it can have serious implications to the dental pulp that sits inside the main body of the tooth causing bone loss or even loss of the entire tooth. Here are 5 signs that tell you to go for a root canal treatment: 1. Severe Pain People having dental problems experience severe pain while chewing pain or when putting a little bit of pressure upon the tooth. Also, people who need root canal treatment experiences pain and a feeling of numbness in the tooth when it is exposed to hot or cold drinks like coffee, ice cream, and soft drinks. 2. Swelling A person affected by dental problems will experience swelling of the gum area surrounding the affected tooth. They may also experience further swelling around the neck and face area. 3. Tooth Gets Discolored When you observe that your tooth is getting discolored or darkening, it shows that the bacteria has infected that tooth and you need an i...