Deficiency of Kidney Yang
Chronic toothache with intermittent aggravation, alleviation of the pain by warmth, loose teeth, a lack of redness and swelling in the gums, an aversion to cold, cold hands and feet, excessive salivation, lower back pain, impotence, profuse clear urine, a pale tongue with tooth marks and a thin and wet coating, and a deep, thready and slow pulse, especially at the Kidney-Yang position.