Toothache containing cool water for pain relief usually only occurs in acute purulent pulpitis, when the pus in the pulp cavity appears to contract under cool water, which can slow down the pain.
Acute pulpitis mainly by the progression of caries, can be divided into two stages of acute pulpitis and acute purulent pulpitis, the former manifested as hot and cold stimulus aggravation, stimulus removal after the pain persists; when the disease continues to progress, the pulp tissue began to pus, after taking cool water can lead to transient contraction of its pain relief, while taking hot water can aggravate the pain.
Acute suppurative pulpitis requires root canal treatment, which can quickly relieve pain by opening the pulp and draining it. It is recommended that patients with early signs of discomfort seek prompt medical attention to avoid delays and aggravation of the condition.