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First, rinse the mouth with salt water. Then use:
*Ren Shen* (Ginseng Radix), *Fu Ling* (Poria) each 3 qian.
Grind into fine powder, cook together with two bowls of rice to form a thin porridge, and consume it to nourish Stomach Qi (the vital energy of the stomach). Next, use:
*Niu Huang* (Calculus Bovis), *Huang Lian* (Coptidis Rhizoma), *Da Huang* (Rhei Radix et Rhizoma steamed with wine), *Mu Xiang* (Aucklandiae Radix), *Qing Dai* (Indigo Naturalis) in equal parts.
Grind into fine powder, mix with decoction of *Dan Zhu Ye* (Lophatheri Herba) and *Bo He* (Menthae Haplocalycis Herba), and take orally to clear heat from the Fu organs (hollow organs). Externally, employ surgical methods to remove necrotic tissue until red healthy tissue is exposed; bleeding bright red blood is an auspicious sign. If stubborn necrotic tissue does not detach, black rot reappears, teeth fall out without bleeding, foul odor persists, and fever remains unbroken, these are all considered incurable conditions. For external application powder:
*Niu Huang* (Calculus Bovis) 5 fen, *Zhen Zhu* (Margarita), *Ren Zhong Bai* (Concha Periostraci Cinchonae), *Hu Po* (Electrum), *Hu Huang Lian* (Coptidis Rhizoma var. chinense or similar), *Ru Xiang* (Olibanum), *Mo Yao* (Myrrha) each 1 qian, *Er Cha* (Camelliae Semen), *Peng Sha* (Borax) 5 fen, *Bing Pian* (Borneolum Syntheticum) 3 fen.
Grind all together into fine powder and sprinkle on the affected area.

This syndrome arises because greenish cloud-like macules appear on both legs, and the pathogenic toxin attacks upward. This leads to decay of the tooth roots, and even perforation of the cheek. The treatment method should urgently use a magnetic edge to lacerate the swollen area on the leg to allow toxic blood to gush out, and externally apply slices of beef. Change several times a day until recovery is achieved.

Earthworm soil (Vermis Terra)
Mix with water to form a ball, grind with *Chi Shi Zhi* (Halloysit Rubra) into powder. Mix with pig fat rendered in the twelfth lunar month for topical application, three times daily.

Qing Yan (Green Salt) 2 liang, Bai Yan (White Salt) 4 liang.
Decoct 4 liang of *Shu Jiao* (Sichuan Pepper Fruit) in water, mix with the salts, and stir-fry until dry. Use daily to brush teeth to permanently prevent dental diseases.

Seeds of *Feng Xian Hua* (Impatiens balsamina)
Grind into powder, add a small amount of *Xin Shi* (Arsenolite), and apply to the root of the painful tooth; removal is very easy.

Hua Tuo's Divine Formula for Throat Disorders

Hou Bi (Throat Obstruction) refers to swelling, blockage, and bi-syndrome pain in the throat, such that even water and fluids cannot be swallowed. Treatment uses:
*Ma Lin Gen* (Radix Iris pseudacori) 1 sheng, *Sheng Ma* (Cimicifugae Rhizoma), *Xuan Shen* (Scrophulariae Radix) each 3 liang, *Qu Mai* (Dianthi Herba), *Tong Cao* (Tetrapanacis Medulla), *Xi Jiao* (Rhino Ceratoss) (crushed) each 2 liang, *She Gan* (Belamcandae Rhizoma) 10 liang.
Decoct in 8 sheng of water until reduced to 2 sheng, strain, and slowly hold in the mouth before swallowing. Finish within one day to promote the discharge of pus.

*Cao Wu Tou* (Aconiti Radix lateralis preparata), *Zao Jia* (Gleditsiae Fructus)
Grind into equal parts powder, add a small amount of *She Xiang* (Moschus), insert between teeth and insufflate into the nasal cavity; the jaw will naturally open.

Zhu Ya Zao (Porcine Tooth Gleditsia), *Bai Fan* (Alumen), *Huang Lian* (Coptidis Rhizoma)
In equal parts, bake on tiles until dry and grind into powder. Take half a qian of the powder and insufflate into the throat; after a short while, expectorate pus and blood, and immediate recovery occurs.