《外台》《肘后》用蚯蚓粪，水和作团，以火烧令极赤，末之如粉，以腊月猪脂和敷
齿龈上，日三，即瘥。
〔茅先生〕治小儿牙宣齿缝出血方
苦参（末，一两） 白矾（灰，一钱）
上为末，一日三次揩牙上，立验也。
张锐《鸡峰方》治齿间血出。
上，以苦竹叶不以多少，水浓煎取汁，入盐少许，寒温得所，含之，冷即吐了。
又方 上用童子小便半升，分为三两次含之，冷即吐了。
〔庄氏〕麝香散 治小儿唇口臭烂，齿龈宣露。
麝香 雄黄（生） 芦荟 白龙骨（各一钱） 密陀僧（二钱） 石胆（半两，生） 干蟾（一枚，重半两者，入
瓶
烧存性）
上合研，令极匀细。先用绵子缠箸头上，以盐矾浆水轻轻洗过，然后上药。
《千金冀方》
生地黄 独活（各三两）
上二味切，以酒渍一宿，含之。
又方 常以白盐末，封齿龈上，日三夜二。
又方 扣齿三百下，日一夜二，即终身不发，至老不病齿。
又治齿牙根摇欲落方
上以生地黄大者一寸，绵裹着，牙上嚼咽汁，汁尽去之，日三，即愈。可十日含之，更不发也。
又齿根肿方
松叶（一握） 盐（一合） 好酒（三升）
上三味，煎取一升，含之。
治齿根空，肿痛，困毙无聊赖方
独活（四两） 酒（三升）
上二味，于器中渍之， 火煨之令暖，稍稍沸，得半，去滓热含之，不过四五度。
又方 烧松柏槐枝令热，柱病齿孔，须臾，虫绿枝出。
又治牙龈疼痛方
杏仁（一百枚，去皮尖及双仁者） 盐末（方寸匕）
上二味，以水一升，煮令沫出，含之，味尽吐却，更含，不过再三瘥。
《养生必用》治小儿牙方
牛蒡子（炒香，一分） 乳香（一钱）
上为末，入白面少许，温水调涂。
又方 用大硼砂研细，水化，鸡羽扫。
*Wai Tai Mi Yao* (Essential Prescriptions from the Imperial Library) and *Zhou Hou Bei Ji Fang* (Handbook of Prescriptions for Emergencies) use earthworm feces. Mix with water to form a ball, burn it until extremely red, grind it into a fine powder like flour, mix with lard rendered in the twelfth lunar month, and apply to the gingiva. Apply three times daily, and it will heal.
[Mao Xiansheng] Prescription for treating pediatric periodontal disease (Ya Xuan) and bleeding from tooth gaps:
* Sophorae Radix Cortex (Kushen), powdered, 1 liang
* Alum (Bai Fan), calcined to ash, 1 qian
Grind the above into a fine powder. Rub onto the teeth and gums three times a day; immediate effect is observed.
Zhang Rui’s *Ji Feng Pu Ji Fang* treats bleeding from between the teeth.
Take Bitter Bamboo Leaf (Ku Zhu Ye) in any quantity, decoct strongly in water to extract the juice. Add a small amount of salt. When the temperature is suitable, hold in the mouth and gargle; spit out when it becomes cold.
Another prescription: Use half a sheng of urine from an uncircumcised boy (Tong Zi Xiao Bian). Hold in the mouth two or three times; spit out when it becomes cold.
[Zhuang Shi] She-xiang San (Musk Powder): Treats pediatric halitosis, lip ulcers, and receding gums exposing tooth roots.
* Moschus (She Xiang)
* Realgar (Xiong Huang), raw
* Aloe (Lu Hui)
* Os Draconis (Bai Long Gu)
* Pyromorphite (Mi Duo Seng), 2 qian
* Chalcanthite (Shi Dan), raw, 0.5 liang
* Dried Toad Skin (Gan Chan), one piece (weighing 0.5 liang), placed in a bottle and burned until only the carbonized residue remains (Cun Xing)
Grind all ingredients together until extremely uniform and fine. First, wrap cotton around the tip of a chopstick, gently wash the area with saline alum water, then apply the medicine.
*Qian Jin Yi Fang*:
* Rehmanniae Radix Recens (Sheng Di Huang)
* Angelicae Pubescentis Radix (Du Huo)
Each, 3 liang.
Chop these two herbs, soak in wine overnight, and hold in the mouth.
Another prescription: Frequently seal white salt powder on the gingiva, three times during the day and twice at night.
Yet another prescription: Clench teeth 300 times. Once during the day and twice at night. This prevents recurrence for life, ensuring healthy teeth until old age.
Another prescription for loose tooth roots threatening to fall out:
Take a large piece of Rehmanniae Radix Recens (Sheng Di Huang), one cun long. Wrap in cotton, place on the teeth, chew to extract juice, swallow the juice, and discard the residue when exhausted. Do this three times daily; it will heal. Continue holding for ten days to prevent recurrence.
Another prescription for swollen tooth roots:
* Pine Needles (Song Ye), one handful
* Salt (Yan), 1 he
* Good Wine (Hao Jiu), 3 sheng
Decoct these three ingredients to obtain one sheng of liquid. Hold in the mouth.
Prescription for hollow tooth roots, swelling, pain, and extreme discomfort:
* Angelicae Pubescentis Radix (Du Huo), 4 liang
* Wine (Jiu), 3 sheng
Soak these two ingredients in a vessel, warm over fire until slightly boiling. Decoct until reduced by half, strain, and hold the hot liquid in the mouth. No more than four or five times are needed.
Another prescription: Burn branches of pine, cypress, and locust tree until hot. Press against the cavity of the affected tooth. After a moment, green worms will emerge from the branch.
Another prescription for gingival pain:
* Armeniacae Semen Amarum (Xing Ren), 100 pieces, remove skin, tips, and double kernels
* Salt Powder (Yan Mo), one fang cun bi
Boil these two ingredients in one sheng of water until foam appears. Hold in the mouth; spit out when the flavor is exhausted. Repeat holding and spitting. It will heal within no more than three repetitions.
*Yang Sheng Bi Yong Fang* treats pediatric dental diseases:
* Arctii Fructus (Niu Bang Zi), roasted until fragrant, 1 fen
* Boswelliae Resina (Ru Xiang), 1 qian
Grind into powder, add a little wheat flour, mix with warm water, and apply topically.
Another prescription: Grind large Borax (Peng Sha) finely, dissolve in water, and sweep onto the affected area using a chicken feather.