12821f0f_hat_DO_NOT_indicate_root_canal__Symptom
[0] 1. [Further information] Many times this pain is felt after a recent dental procedure such as a filling or a crown. A rule of thumb is that if the pain does not subside within a 6 week period of time or becomes increasingly severe, then a root canal will be required. [Symptom] 
You have pain when you chew and/or drink hot or cold liquids. The pain is mild in nature and not prolonged.
Symptoms that DO NOT indicate root canal
Symptom