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The syndrome of Gucao Feng (Bone Trough Wind) indeed has cases that evolve through transmission, as well as those that do not. The patient may suffer from qi and blood stagnation due to worry, overthinking, fright, or sorrow; or the pathogenic factors may invade the sinews and bones due to wind-cold, with evil toxins intertwining. The condition begins in front of the ear, extending to the cheek and jaw, causing dull pain between the sinews and bones, gradually developing into diffuse swelling that is hard, accompanied by alternating chills and fever resembling malaria, stiffness of the jaw making eating difficult, and eventually leading to putrefaction and ulceration, with the inside and outside of the cheek remaining diffusely swollen, hard, and painful. This syndrome belongs to the yin aspect of the sinews and bones; therefore, in the early stage, the swelling and hardness are difficult to dissipate, and after ulceration, the wound fails to heal. The liver and spleen are injured, and heat toxins accumulate, resulting in stiffness of the sinews and bones, rotting of muscles, and profuse, foul-smelling pus. In the initial stage, moxibustion is suitable to resolve the toxin, and decoctions that descend fire, transform phlegm, clear heat, and reduce swelling should be taken. After ulceration, Bazhen Tang (Eight-Treasure Decoction) or Shiquan Dabu Tang (Ten Significant Tonifying Decoction) may be used; within these tonifying and pushing-out formulas, it is appropriate to add Maidong (Ophiopogon Rhizome) and Wuwei Zi (Schisandra Fruit). There are also cases where excessive use of cold-natured medicines leads to hardening, coagulation, and putrefaction of muscles; in such cases, Lizhong Tang (Regulate the Middle Decoction) combined with Fuzi (Prepared Aconite Root) is required to restore yang, and Jiangcan (Bombyx Batryticatus) is needed to search out wind pathogens. If the jaw is stiff and cannot open, it is suitable to apply moxibustion on Jiache ST6 (Stomach 6, located in the depression 0.5 cun below the tip of the earlobe) using slices of fresh ginger as a spacer for fourteen moxa cones, while simultaneously needling the area at the end of the teeth inside the mouth to induce bleeding, which will naturally allow the jaw to open. If external necrotic tissue does not detach and the pus water is not clear, rotten bone will inevitably form over time; only after the rotten bone detaches can the wound close. If there is perforation of the cheek, loss of teeth, unremitting deficiency heat, emaciation and withering of the body, excessive phlegm, and inability to eat, all these constitute adverse syndromes. However, if the spleen qi recovers later and food intake increases, there are cases that tend towards recovery and achieve therapeutic success. For the rotting areas, medicines for Kougan (Mouth Ulcers) mixed with Niuhuang (Calculus Bovis), Zhenzhu (Pearl), and Ercha (Camellia Camellia Seed) should be insufflated, and Shengao (Rising Paste) should be applied externally to promote pus discharge and remove necrosis.

The affliction of Yalou (Tooth Fistula) arises from the depression of heart and stomach fire, depletion of kidney yin, or emotional suppression, where stomach heat combines with the fire of the five emotions to manifest. It may occur on the upper gums or the lower gums. Initially, there is high swelling and pain; over time, yellow blisters appear on the surface. After rupture, pus drains and symptoms gradually ease, but the opening is difficult to close, being as small as a needle hole. Whenever physical exertion occurs, or mental agitation arises, or excessive consumption of fried foods, tobacco, and alcohol happens, the condition recurs with swelling and pain, discharging foul pus. In more severe cases, it extends to the roots of the teeth on both sides. Although it is not life-threatening, it causes significant suffering. In the initial stage, the method of raising yang and dispersing fire, or Ganlu Yin (Sweet Dew Drink), is suitable. In chronic stages, Liuwei Dihuang Tang (Six-Ingredient Rehmannia Pill) added with Xuanshen (Scrophularia Root), Shihu (Dendrobium Stem), Maidong (Ophiopogon Rhizome), and Lugen (Reed Rhizome), or Liang Bawei (Cool Eight Ingredients), or Dabu Yin Wan (Great Tonify Yin Pill), etc., should be taken for an extended period to ensure complete recovery. In the initial treatment, bitter-cold medicines must absolutely not be used, whether taken internally or applied externally, as this would cause further depression of heart and stomach fire, deepening the root of the fire toxin. Nor should astringent medicines be used early, as this can trap the fire toxin internally, leading to corrosion, detachment of roots, and tooth loss.

Yaxuan (Tooth Gland Erosion), also known as Chiniu (Tooth Hemorrhage), involves bleeding from the gum spaces, or fresh blood occasionally overflowing from the gums. Teeth are considered the surplus of bones and are governed by the kidneys. Fire pathogens of the heart and kidney force blood to flow recklessly, causing tooth bleeding; however, since the Shaoyin channel has abundant qi and little blood, the blood flows drop by drop, and the teeth ache faintly. Those with excessive sexual activity often suffer from this. Treatment should focus on cooling the heart and nourishing the kidney, using Yupu Jian (Jade Woman Decoction) or Liuwei Dihuang Tang (Six-Ingredient Rehmannia Pill), or Liang Bawei (Cool Eight Ingredients) added with Gusui Bu (Drynaria Rhizome), Nvzhen Zi (Ligustrum Fruit), Ejiao (Donkey-Hide Gelatin), and Digupi (Phellodendri Cortex), as the main formula. There are also cases of gingival bleeding caused by excess fire attacking from the stomach meridian; since the Yangming channel has abundant qi and blood, when fire is vigorous, blood surges like a tide, and heavy drinkers often suffer from this. Clearing heat and cooling blood is indicated, with Xijiao Dihuang Tang (Rhino Horn and Rehmannia Decoction) as the primary formula, or Qingwei San (Clear Stomach Powder) as an alternative. In cases of stomach deficiency with moving fire, leading to rotting gums and constant flow of pale blood, Guishao Dihuang Tang (Angelica and Peony Rehmannia Decoction) is suitable; if bleeding persists, Xijiao Dihuang Tang (Rhino Horn and Rehmannia Decoction) or Yupu Jian (Jade Woman Decoction) may be used, along with insufflation of anti-ulcer and hemostatic powders.

Fengre Yading (Wind-Heat Tooth Carbuncle), when arising with chills and fever, initially presents with tooth pain, followed by gum swelling that extends to the cheeks. The swelling peaks sharply and protrudes, and pressing it elicits pain radiating to the hand, indicating the presence of pus internally; puncturing it leads to immediate improvement. Treatment focuses on clearing and dispersing pathogenic factors, using Niubang Jieji Tang (Arctium Relieving Muscle Decoction) or Yupu Jian (Jade Woman Decoction), or Xijiao Dihuang Tang (Rhino Horn and Rehmannia Decoction), selected according to the specific situation.