The reason of the tooth, gum abnormality is as follows

1)kidney Jing shortage because born gift shortage, will adjust to keep to lose the day after tomorrow proper, the building room excesssive and long disease harm the kidney or year old sexual debility, cause the vitality of human body kidney falsely Sun, but the kidney main bone, Chi is remaining of the bone, kidney Jing shortage, the Chi loses Chong to keep, kidney spirit shortage, not basically solid, the past emergence tooth is pale and yellow black, loose move, easily living Qu Chi.Such as 《the saint helps always record 》words:"The kidney main bone, remaining of the Chi bone also, the person's kidney annoys strong, the marrow is hard, then Chi tooth Ying white bright;The kidney debility is weak now and have no with the glory is at the marrow, so making tooth pale and yellow is black".
2)hot bright the Yin harm because of long disease harm kidney, born gift shortage, the building room is excesssive and lead food Wen Zao to rob the article of Yin and consume wound kidney Yin, the Yin weakness is prosperous and blaze on the weakness, then tooth Shu Huo, falter, the dew root, gum fester to atrophy.《Keep pointing square 》speech:"Kidney falsely then Chi Huo, the Jing is prosperous then the Chi is hard, falsely hot the Chi move".If feel hot evil, consume wound Jin liquid, then tooth Huang but dry.
3)the debility blood don't more is little because of long disease, the debility can not living blood, or blood nihilist with turn spirit, spirit blood two can not ascend to lose falsely is more deeply thought than gum, the gum is lost to Ru to keep, then tooth heel thin white;Replying feeling breeze is evil and then shrink a dew with meat.《The saint helps to always record 》speech:"Annoy blood shortage, wipe a reason to have no square, the breeze is falsely evil to inherit, the guest is among the Chi, then make the muscle cold blood weak, the Chi meat shrinks a dew and gradually goes to Xuan Lou4 , never adhere to Chi heel also".
4)evil make Yangming of the breeze cold evil incursion Yangming through(hand Yangming, foot Yangming), the blood vessels annoys blood movement to be blocked, the tooth then is yellow black, pale, wave.《The various source waits a theory 》speech:"The breeze is cold to multiply by its blood vessels, then marrowbone blood Sun, not the ability glory is smoother than a tooth, so make tooth An black, call of Li Du":"At the blood vessels, the breeze evil air conditioner guest's Sui falsely the blood is weak, not the ability glory is kept to a bone, lifeless have no smooth, so make Chi yellow black also".Love to eat mordacious greasy in addition, turn heat to start a fire, or feeling ambition not hence, annoy Yu to turn fire, or hot evil inside make to cause stomach hot blazing, but stomach veins and arteries in heel, the stomach fire follows through top smoked, annoy blood Yong Zhi, the gum then swells ache and even festers;Hot wound blood net, the Chi then sews issue of blood.
5)the tooth, gum disease suffer from a breeze mansion, the tooth Chis, such as, Qu Chi and tooth Yong...etc., heel disease, can also cause the abnormality of tooth color and luster, appearance.
Smoking cigarette and in great quantities drinking strong tea, chronic lead poisoning or fluorine over a long period of time is in addition poisoned and take some medicine such as four wreath vegetable, the chronic disease can also appear tooth color and luster, metamorphosis.