Who needs a root canal treatment?

If a tooth for a heat or cold stimulus and this hurts pain at the disappearance of the stimulus From sounds again, is mostly a "hole" (carious lesion) in thetooth in place or there is a filling, crown etc. leaking. In these cases, a new filling and lay the existing restoration (filling, crown, etc.) be renewed.  If the tooth pain already, without an appropriate stimulus is given, is probably already an inflammation of the dental pulp before. These are chemical stimuli through the blood vessels expand and it is liquid. Since the liquid through a limited opening in the root tip (apex) can run, increasing the pressure in the pulp and it comes to longer-lasting pain. When pain is still relatively low, you can try, through medication, in the teeth that will decay to the inflammation and to the vitality of the tooth to receive.