The teeth marks on the side of the tongue are not related to kidney yin deficiency or kidney yang deficiency, but are mostly caused by spleen deficiency and phlegm (a pathological product of impaired metabolism of water and fluid).
The teeth marks on the side of the tongue are mostly caused by water-liquid metabolism disorders. Common clinical causes include spleen dysfunction (dysfunction of the spleen’s transportation and digestion functions) and phlegm and drink internalization, which lead to a fat tongue and then teeth marks.
In patients with kidney yang deficiency, due to the weakness of kidney yang, the function of yang qi to warm and stabilize the body is weakened, which is often manifested as soreness of the waist and knees, fear of cold, fear of cold, and other symptoms. Kidney yin deficiency patients, kidney yin loss, the tongue is usually red, less moss, and accompanied by lumbar pain, five heart heat (palms and feet fever, chest fever) and other manifestations, male patients may also have spermatorrhea, premature ejaculation.
This shows that there is no direct relationship between kidney yin and yang deficiency and teeth marks on the tongue. The teeth marks on the tongue are mostly related to spleen deficiency.
Patients should go to the hospital for consultation to clarify the specific cause of the disease, and then use the appropriate medication for treatment under the guidance of the doctor.