How to manage a root-canal dead or disconnected tooth and the associated breathing problems If your root-canal tooth is dead, it won't support the gums in the socket as much anymore, particularly if it is also cracked or has another infection... In my case, the meridian it is connected to is the stomach, which is closely linked to the spleen. It's also underneath the upper tooth which goes to the hormones/pineal gland meridian. This explains why I didn't have many dreams when the socket came loose, after doing gymnastics and breaking the bondings on my front teeth, making my jaw smaller, putting pressure on the weakest link-- my dead tooth which couldn't hold onto the surrounding gums and loosened the periodontal ligament, and also because I took the front permanent lingual braces off because the pressure up there was annoying at night. So eating and doing this stuff helps me manage it until I can or choose to get an implant: Foods for the gums: Sweet potatos are high i...