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The *Shechuang San* (Cnidium Seed Powder) recorded in the *Ji Family Collection* is used to treat children's "Zouma Gan" (a rapidly progressing gangrenous stomatitis).
Ingredients: Cnidii Fructus (Snakebed seed), Bombyx Papery Remains (Silkworm cocoon paper), together burned to ash; Musk (small amount).
Preparation and Administration: Grind the above ingredients into a fine powder. Apply a small amount directly to the teeth without water.

The *Honglong San* (Red Dragon Powder) from the *Zhu Family Collection* treats children's "Zouma Gan," characterized by foul-smelling and ulcerated gums with an odor that is difficult to bear.
Ingredients: Realgar processed with fire (Xin Pi), Huai Zi (mixed Huai Zi, each 1 qian), Cinnabar (small amount).
Preparation and Administration: Grind into powder. Apply a small amount to the gums, then rinse with salt water.

Master An's transmitted prescription for "Zouma Gan." (This condition presents with continuous bleeding from the teeth.)
Using ash from silkworm connection paper applied topically can sometimes stop the bleeding. However, using the tenderest part of the root bark of *Lycium chinense* (Dugudupi) ground into powder does not stop the bleeding.

Prescription for treating children's "Zouma Gan" transmitted by Ding Shifa, a physician from Changsha.
Ingredients: Verdigris (Tongqing), Angelica dahurica (Xiang Baizhi) in equal parts.
Administration: Apply half a "zi" (an ancient unit of weight/measure) of the powder to the affected area.

The *Taiping Shenghui Fang* states: Children's oral and dental "Gan" is caused by heat accumulation in the zang-fu organs and irregular diet, leading to "Gan" worms ascending to erode the mouth and teeth. Symptoms include itching and pain in the lips and mouth, blackening of the teeth, sores on the tongue, dryness and heat in the head, redness and ulceration of the gingiva, swelling of the cheeks and toothache, steaming of heat toxins, and foul breath. Hence it is called oral and dental "Gan."

From the *Lunxin Jing*, a prescription for treating children's erosion of the mouth and teeth, exposed gingiva, and unbearable foul odor.
Ingredients: Lepidii Semen (Tinglizi, stir-fried), Firmament Tree Bark (Wutongli) in equal parts.
Preparation and Administration: Mix and grind the ingredients. Blend with lard rendered in the twelfth lunar month and gently heated into a paste. Wrap cotton around the tip of a willow wood stick, dip in the medicine, and gently cauterize the lesion frequently.

A prescription for children's "Gan" worm erosion of the teeth from the *Jingui Yaolue*.
Ingredients: Realgar, Lepidii Semen (Tingli) (each a small amount).
Preparation and Administration: Grind both ingredients into powder. Blend with lard rendered in the twelfth lunar month, melt, and apply using a cotton-wrapped locust twig to cauterize the site. (Suspected not to be an original formula by Zhang Zhongjing.)

A prescription for "Gan" worm erosion of the tooth roots from the *Qianjin Fang*.
Method: Place an earthworm on a stone, add a pinch of salt, and wait until it dissolves into water. Absorb this liquid with flour, let it thicken and coagulate, then apply to the lesion. Also apply peeled Gleditsia sinensis (Zaojiao) topically; the worms will emerge.

The *Qingdai Wan* (Indigo Naturalis Pill) from the *Taiping Shenghui Fang* treats children's oral and dental "Gan" with sores and foul ulceration.
Ingredients: Indigo Naturalis (Qingdai), Cinnabar, Bear Bile, Aloe (each finely ground); Picrorhiza Root (Huhuanglian), Melon Trichosanthes Fruit (Gua Di) (each 1 fen); Cow Bezoar (Niuhuang), Brain Musk (Naoshe) (each finely ground); Toad Venom (Chansu) (ground in); Human Tooth Ash (Renzhongbai), Clove (Jishixiang); Cicada Slough (Chanke) (lightly stir-fried, legs removed); Night Flying Sand (Yeming Sha); Dung Beetle (Qianglang) (burned to ash, each 0.5 fen).
Preparation and Administration: Pound and sieve all ingredients into powder, mix thoroughly. Bind with oral fat into pills the size of mung beans. Dissolve one pill in milk, apply inside the mouth, and drip into the nose. Wash the child with peach and willow decoction; the "Gan" worms will naturally exit. (Another version adds Resina Benzoin 1 fen, processed Child Tea 1 fen, and borneol 0.5 fen, totaling seventeen ingredients, taken dissolved in licorice decoction. Pills are bound with toad venom, coated with cinnabar, and administered as above.)

The *Woniu San* (Snail Powder) from the *Taiping Shenghui Fang* treats severe erosion of the mouth, nose, and teeth by "Gan" sores.
Ingredients: Snail Shell (27 shells, burned to ash); Coronilla Scorpion Vetch (Jiaohao) (1 liang, burned to ash); Musk (powder); Phellodendron Bark (Huangbai) (powder); Asarum (Xixin) (powder, each 0.5 qian); Right Gallbladder (You Dan) (size of an almond).
Preparation and Administration: Finely grind all ingredients. Apply a small amount three times daily.

The *Luhui San* (Aloe Powder) from the *Taiping Shenghui Fang* treats "Gan" sores of the mouth, nose, teeth, and tongue, ensuring recovery.
Ingredients: Aloe, Salt Green Vitriol, Lead White (Huafen) (each 1 fen); Snail Shell (stir-fried), Pearl (powder) (each 0.5 liang); Indigo Naturalis, Rhizoma Coptidis (Huanglian, powder) (each 1 liang); Musk (0.5 fen, ground).
Preparation and Administration: Finely grind all ingredients into powder. First wash the sore with licorice decoction, then apply the powder. For oral sores, wipe away saliva and sprinkle the powder. For nasal sores, apply a little clarified butter first, then sprinkle the powder.

The *Xionghuang San* (Realgar Powder) from the *Taiping Shenghui Fang* treats oral and dental "Gan" with sores.
Ingredients: Realgar, Cinnabar (each finely ground); Niter (Xiaoshi); Rattlesnake Gall (Ranshe Dan) (ground in); Rhizoma Coptidis (mustards removed); Sophora Root (Kushen) (chopped, each 1 fen); Musk (0.5 qian, finely ground); Chicken Excrement Alum (Jingshi Fan) (size of three soybeans, finely ground).
Preparation and Administration: Pound and sieve into powder, grinding extremely fine. Applicable to any oral sore, whether red or white, located on the tongue, cheeks, face, jaw, or gums. Apply topically.

The *Luhui San* (Aloe Powder) from the *Taiping Shenghui Fang* treats oral and dental "Gan," sores of the nose and tongue, and conditions of the head and face.
Ingredients: Aloe (finely ground), Earth Green Vitriol, Lead White (Huafen) (ground in, each 0.5 liang); Snail Shell (stir-fried until yellow), Scutellaria Root (Huangqin) (each 1.5 liang); Musk (finely ground, 1 fen); Rock Salt, Pearl (powder); Indigo Naturalis (finely ground, each 1 liang).
Preparation and Administration: Pound, sieve into powder, and grind extremely fine. First rinse and gargle with licorice decoction. Then wrap the powder in cotton and apply to the teeth, or apply the powder directly. If saliva swirls and is spit out, do not swallow.

The *Langdang Gao* (Datura Ointment) from the *Taiping Shenghui Fang* treats "Gan" erosion of the mouth and teeth, applicable to all such cases.
Ingredients: Datura Seed (Langdangzi), Lepidii Seed (Tinglizi) (both raw); Sulfur, Stibnite (Chouhuang); Musk; Bear Bile; Aloe; Rattlesnake Gall; Alum Ash (seven ingredients finely ground, each 1 fen).
Preparation and Administration: Pound and sieve into powder, mixing thoroughly. Melt 2 liang of lard rendered in the twelfth lunar month in a pot over low heat. Add the powders and stir evenly to form an ointment. Take an amount the size of an almond, wrap in cotton, heat over fire, and cauterize the gums and sores.

The *Ci Huang San* (Orpiment Powder) from the *Taiping Shenghui Fang* treats sudden oral "Gan" sores, putrid gum growth, and bad breath.
Ingredients: Orpiment (finely ground); Bamboo Leaf (Ruoye) (roasted until yellow); Conch Shell (Luoshi Ke) (roasted until yellow, each 1 fen); Scutellaria Root (Huangqin) (0.5 fen).
Preparation and Administration: Pound and sieve into powder. Apply at night to the gums and sores.

The *Wutongli San* (Firmament Tree Bark Powder) from the *Taiping Shenghui Fang* treats bleeding from oral and dental "Gan."
Ingredients: Firmament Tree Bark (Wutongli), Dragon's Blood (Qilinjie), Alum, Red Lead (Huangdan) (each 1 fen).
Preparation and Administration: Grind finely like powder. Apply a "zi" measure between the teeth at any time.

The *Woniu San* (Snail Powder) from the *Taiping Shenghui Fang* treats putrid and non-healing dental "Gan" sores.
Ingredients: Snail Shell (burned to ash), White Dog Feces, Human Feces, Bat, Toad Head (five ingredients burned to ash); Musk, Indigo Naturalis (Qingdai) (above ingredients each 0.5 liang).
Preparation and Administration: Finely grind into powder. Blow a small amount into the nose. Alternatively, mix with honey and apply to the mouth and teeth for immediate effect.

The *Machixian San* (Purslane Powder) from the *Taiping Shenghui Fang* treats "Gan" sores covering the mouth, teeth, and extending to the nose.
Ingredients: Purslane (Machixian, dried), Myrobalan (Meishizi), Ephedra Stem (Mahuang, roots and nodes removed, each 0.5 liang); Musk (1 qian, finely ground); Fragrant Plant Root Ash (Lanxiang Gen, 2 qian).
Preparation and Administration: Pound, sieve into powder. Apply half a qian to the sores four to five times daily.

Another prescription from the *Taiping Shenghui Fang*.
Ingredients: Musk, Trogopterorus Faeces (Wulingzhi) (both powdered, 1 qian); Honey (0.5 liang); Toad Venom (Chansu) (three slices willow-leaf sized, roasted slowly in an iron vessel until yellow-brown, separately ground to powder).
Preparation and Administration: Mix ingredients with honey in a pot, melt over low heat into an ointment. Remove necrotic tissue from the sore, then apply the medicine four to five times daily.

The *Ganqi San* (Dry Lacquer Powder) from the *Taiping Shenghui Fang* treats "Gan" sores eroding the tooth roots and causing exposure.
Ingredients: Dry Lacquer (Ganqi) (crushed, stir-fried until smoke appears); Sulfur (finely ground); Clam Shell (Wenge, ash); Fragrant Plant (Lanxiang, ash); Toad (burned to ash); Myrobalan; Purslane (Machixian, powder, each 0.5 liang); Musk (1 fen, finely ground).
Preparation and Administration: Pound, sieve into powder. Mix with 4 liang of lard rendered in the twelfth lunar month in a pot and heat. Wrap a locust twig in cotton, dip while hot, and cauterize the tooth roots to stop bleeding. Apply twice daily until new flesh grows.

The *Yimucao San* (Motherwort Powder) from the *Taiping Shenghui Fang* treats "Gan" erosion exposing the oral and dental bones.
Ingredients: Motherwort Herb (Yimucao, ash); Cimicifuga Rhizome (Chuan Shengma); Musk (finely ground); Human Tooth Ash (Renzhongbai, burned to ash); Phellodendron Bark (Huangbai) (chopped, each 1 fen); Cow Bezoar (Niuhuang) (0.5 fen, finely ground); Picrorhiza Root (Huhuanglian) (0.5 liang).
Preparation and Administration: Pound, sieve into powder. Clean the teeth thoroughly, then sprinkle a small amount of powder dry onto the gums three times daily.

The *Bai Fan San* (Alum Powder) from the *Taiping Shenghui Fang* treats painful, swollen, and ulcerated oral and dental "Gan" sores.
Ingredients: Alum (Bai Fan, ash); Yellow Alum; Human Tooth Ash (Renzhongbai) (each burned red); Toad (ash); Human Feces (ash); Realgar; Salt Green Vitriol; Rattlesnake Gall; Musk (all finely ground, each 1 fen).
Preparation and Administration: Grind all ingredients together until fine. Before application, wrap a finger in hair, dip in clear water, and clean the mouth and teeth. Then mix the powder with honey to form a paste and thinly apply to the gums with a comb. Use three to five times daily.

The *Jiaohao San* (Coronilla Scorpion Vetch Powder) from the *Taiping Shenghui Fang* treats exposed oral and dental "Gan" with unceasing pus and blood.
Ingredients: Coronilla Scorpion Vetch (Jiaohao, ash); Asarum (Xixin); Cimicifuga Rhizome (Chuan Shengma); Lycium Root Bark (Digupi); Achyranthes Root (Nixi) (all burned to ash, each 1 fen).
Preparation and Administration: Pound, sieve into powder. Each night, place an amount the size of three soybeans under the tooth roots. Cover with a strip of paper two inches long and one bean-width wide. Remove the next morning for best results.

The *Wubeizi San* (Chinese Gall Powder) from the *Taiping Shenghui Fang* treats "Gan" worms in oral and dental "Gan."
Ingredients: Chinese Gall (Wubeizi, 3 fen, powdered); Red Lead (Huangdan, 1 fen, lightly stir-fried).
Preparation and Administration: Grind together into powder. Wrap in cotton and apply to the teeth, or smear directly. Use four to five times daily.

The *Yun Lao Fang* (Cautionary Cauterization Method) from the *Taiping Shenghui Fang* treats exposed oral and dental "Gan."
Ingredients: Lard rendered in the twelfth lunar month (3 liang); Stibnite (Chouhuang) (1 liang, finely ground).
Preparation and Administration: Sharpen three to five locust twigs. Clean the gums thoroughly. Boil the lard. Wrap the tip of the locust twig in cotton, dip in boiling lard, then touch the stibnite powder. While hot, cauterize the teeth. Use three to five times daily.

The *Shexiang Jian* (Musk Decoction) from the *Taiping Shenghui Fang* treats "Gan" erosion of the gums and ulcers in the cheeks.
Ingredients: Musk (1 fen); Lead Carbonate (Dingfen); Phellodendron Bark (Huangbai, powder, each 0.5 liang).
Preparation and Administration: Finely grind into powder. Boil 1 liang of good honey in a porcelain vessel for five to seven boils. Add the powder, boil for three to two more boils. Cool and apply to the lesion. Use four to five times daily.

The *Huangbai San* (Phellodendron Powder) from the *Taiping Shenghui Fang* treats oral "Gan," putrid gum growth, bad breath, and worm-eaten holes.
Ingredients: Phellodendron Bark (Huangbai) (1 liang, stir-fried and pounded to powder); Indigo Naturalis (Qingdai) (0.5 liang); Musk (1 qian).
Preparation and Administration: Grind and sieve evenly. Sprinkle a small amount on the sores three to four times daily.

A prescription from the *Taiping Shenghui Fang* for fatal "Gan" sores eroding the mouth, teeth, nose, and lower body.
Method: First wash the sores with rice water and dry. Apply ash from calcined chicken excrement alum three times daily. Effective.

A prescription for children's dental "Gan" from the *Tan Shi Shu Sheng*.
Ingredients: Alum (Baifan), Blue Vitriol (Danfan).
Preparation and Administration: Equal parts, refined and ground to powder. Add a little musk, mix well, and rub the teeth for immediate effect.

A prescription for dental "Gan" in children and adults, treating all malignant sores, from the *Tan Shi Shu Sheng*.
Ingredients: Red Lead (Huangdan, refined), Frankincense (Ruxiang), Alum (Baifan, refined), Huai Zi Soot (Huai Zi Yan Zhi) (each 1 qian); Calomel (Qingfen); Musk (small amount).
Preparation and Administration: Grind to fine powder. Adjust dosage according to sore size. Wash the sore cleanly with starch water, then apply the powder dry.

A mouthwash from the *Ying Ru* to treat "Gan," strengthen teeth, kill worms, and promote tooth growth.
Ingredients: Datura Seed (Langdangzi), Angelica Pubescens (Duhuo) (each 4 fen); Licorice Root (Gancao, 5 fen, roasted); Ligusticum Rhizome (Xiong); Angelica Sinensis (Danggui) (each 2 fen); Bamboo Leaves (Zhuye) (6 fen); Piper Root (Zhujiao Gen, 2 fen, also known as Vine Pepper Root).
Preparation and Administration: Grind to powder. Morning and evening, take one spoonful, boil in eight units of water until reduced to four units. When warm, add a little Rehmannia juice, hold in the mouth, and gargle.

The *Huangfan San* (Yellow Alum Powder) from the *Jubao Fang* treats exposed and sliding gums in adults and children, wind-cold syndrome, acute pediatric "Gan," and painful, rotting gum ulcers.
Ingredients: Yellow Alum (Huangfan) (1 liang, ground, fired in a clay pot); Raw Rehmannia Root (Sheng Dihuang, dried); Firmament Tree Bark (Wutongli); Cimicifuga Rhizome (Chuan Shengma) (each 0.5 liang); Dried Toad Head (Gan Xama Tou) (two pieces, roasted until charred).
Preparation and Administration: Grind the five ingredients to powder. Apply half a qian dry each time. After a while, expect salivation; rinse with licorice water. One or two doses yield immediate results. Another version uses cooked Rehmannia and burned toad head.

Treatment for pediatric oral "Gan" sores with worms in the lower body by Chen Nanzhong, guardian of Xiangshou, from the *Liu Shi Jia Chuan*.
Method: Smoke with burning hemp seeds.

A prescription for rotten and decayed pediatric dental "Gan" from the *Zhuang Shi Jia Chuan*.
Ingredients: Medicinal Plaque (Baiyaojian), Huai Zi Rouge (Huai Zi Yanzhi).
Preparation and Administration: Equal parts, ground to fine powder, sifted, and applied to the affected area.

Prescriptions for dental erosion "Gan" sores in children from the *Kong Shi Jia Chuan* (also for adults).
Ingredients: Litharge (Mituo Seng), Orpiment (Ci Huang), Mung Bean Powder (Lvdou Fen), Realgar (Xionghuang), Boswellia Gum (Xunlu Xiang), Lead Carbonate (Dingfen) (equal parts).
Preparation and Administration: Grind evenly, rinse mouth cleanly, and apply dry inside the mouth.

The *Qingxia San* (Green Cloud Powder) from the *Wu Shi Jia Chuan* treats pediatric oral and dental "Gan."
Ingredients: Toad (Xama) (1 liang, burned to ash), Licorice Root (Gancao, roasted), Indigo Naturalis (Qingdai) (each 1 fen).
Preparation and Administration: Grind to fine powder, adding a little real musk. If a child has widespread foul-smelling sores and lost teeth, sweep the powder on with a chicken feather for immediate effect. Rinse with salt water before use, dry, and apply.

A prescription for pediatric oral "Gan" damaging lips and teeth with foul odor from the *Zhao Shi Jia Chuan*.
Ingredients: Verdigris (Tonglv) (4 qian), Realgar processed with fire (Xin Pi), Musk (each 3 zi).
Preparation and Administration: Wipe the mouth with cloth, grind, and apply a small amount to the sores. Applicable to all oral and dental "Gan" sores. Do not swallow; merely spit out slightly. It is harmless if swallowed.

Master An's transmission for pediatric oral, dental, and throat "Gan" sores resembling white membranes. A miraculous prescription.
Method: Use equal parts Calomel (Qingfen) and Red Lead (Huangdan). Mix with milk and apply to the sores. The membrane will peel off immediately.

For oral sores with erosion, rotting, and foul odor from the *Taiping Shenghui Fang*: Moxibustion on Laogong (PC8) acupoint, one moxa cone per side. Location: Bend the ring finger; the point where the fingertip touches the palm is the location.