Teeth on the nerve-killing drugs generally have minor discomfort on the same day, the emergence of significant pain is recommended to consult a doctor in time.
1. Root canal treatment of posterior endodontitis often take drugs to inactivate the nerve, now often use paraformaldehyde chronic inactivator, mainly on the role of vascular smooth muscle, so that the formation of thrombus, ultimately leading to impaired blood flow pulp necrosis. Some patients with more active pulp or rich blood flow, the first day of drug action will appear slight swelling and discomfort, with the pulp necrosis will gradually ease.
2. If the tooth continues to ache after killing the nerve, it may be caused by the pulp blood vessels expanding internal pressure, it is recommended to go to the hospital, remove the filling to decompress, re-inactivation or root canal cleaning.
It is recommended to go to the regular hospital stomatology consultation, discomfort, timely consultation, so as not to miss the condition.