夫手阳明支脉入于齿。足太阳脉入于颊。遍于齿。若其经虚。风气客之。结搏齿间。与
气血
治龋齿龈肿出脓汁。白矾散方。
白矾（一分烧灰） 蟾酥（半分） 干虾蟆（一枚焚灰） 雄黄（半分） 麝香（半分）
熊胆
（一分）
上同研令细。每用半钱。敷牙齿根。
治龋齿疼痛。虾蟆散方。
干虾蟆（一枚炙焦） 青黛（一分细研） 柑子皮（半两） 细辛（半两） 白鸡粪（一
分烧灰）
麝
上件药。捣细罗为散。同研令匀。绵裹如黍米大。纳虫孔中。无虫孔者。以一字敷于患
处。
又方。
川椒（半两去目） 白矾（半两烧令汁尽）
上件药。以水三盏。煮取二盏。去椒。含吐之。
又方。
葫芦子（半升）
上以水五升。煮取三升。去滓。含漱。口吐之。茎叶亦可用。神良。不过二剂瘥。
又方。
白附子（生用） 莽草 细辛 芎 高良姜（各一分锉）
上件药。捣细罗为散。以绵裹少许。着龋上。有汁勿咽。
治龋齿方。
牛膝（一两烧为灰）
上细研为末。以少许着齿间。含之。
治龋齿痛有 孔方。
雄雀粪
上以绵裹塞于 孔中。日二易之。
治龋齿虫腐方。
棘针（三两朽烂者）
上捣碎。每用半两。以水二大盏。煎至一盏。去滓。热含冷吐。
又方。
上取郁李根七（一）握。切。以水一大盏。煎至六分。去滓。热含之。当时出虫。长六
七
分。
皆黑头虫。即瘥。
又方。
莨菪子三合。于瓶子内盛。将青铜钱七文。烧令通赤。放于瓶中。后烧莨菪子作声。有
烟出
The branch meridian of the Hand-Yangming (Large Intestine) enters the teeth. The meridian of the Foot-Taiyang (Bladder) enters the cheek and extends throughout the teeth. If the meridians are deficient, wind-pathogen (Feng Qi) invades and lodges, knotting and pulsating between the teeth, affecting the circulation of Qi and Blood, thereby treating gum swelling and pus discharge caused by dental caries (Chu Chi).
Bai Fan San (White Alum Powder) Formula:
Bai Fan (White Alum, 1 fen, calcined to ash) Chan Su (Toad Venom, 0.5 fen) Gan Xia Ma (Dried Toad, 1 piece, incinerated to ash) Xiong Huang (Realgar, 0.5 fen) She Xiang (Musk, 0.5 fen) Xiong Dan (Bear Bile, 1 fen)
Grind all ingredients together until fine. Use half a qian each time, applying it to the root of the teeth.
Xia Ma San (Toad Powder) Formula for Treating Dental Caries Pain:
Gan Xia Ma (Dried Toad, 1 piece, roasted until charred) Qing Dai (Indigo Naturalis, 1 fen, finely ground) Gan Zi Pi (Citrus Rind, 0.5 liang) Xi Xin (Asarum, 0.5 liang) Bai Ji Fen (White Chicken Droppings, 1 fen, calcined to ash) She Xiang (Musk, small amount)
Pulverize the above herbs through a fine sieve to make a powder, mix thoroughly. Wrap in cotton cloth into a size similar to a millet seed, and insert it into the carious cavity. If there is no cavity, apply an amount equivalent to "one character" (approx. 1-2 grams) to the affected area.
Another Prescription:
Chuan Jiao (Sichuan Pepper, 0.5 liang, remove seeds) Bai Fan (White Alum, 0.5 liang, heated until liquid evaporates)
Boil the above ingredients in three zhan of water until reduced to two zhan. Remove the pepper, hold the liquid in the mouth, and then spit it out.
Another Prescription:
Hu Lu Zi (Calabash Seeds, 0.5 sheng)
Boil in five sheng of water until reduced to three sheng. Strain the dregs. Hold in the mouth and spit out. The stems and leaves may also be used; they are highly effective. Recovery occurs within no more than two doses.
Another Prescription:
Fu Zi (Aconite Lateral Root, raw use) Mang Cao (Herba Siegesbeckiae) Xi Xin (Asarum) Xiong (Ligusticum Chuanxiong Rhizome) Gao Liang Jiang (Galangal Rhizome) (each 1 fen, chopped)
Pulverize the above herbs through a fine sieve to make a powder. Wrap a small amount in cotton cloth and place it on the carious tooth. Do not swallow if secretions appear.
Formula for Treating Dental Caries:
Niu Xi (Achyranthes Root, 1 liang, calcined to ash)
Grind finely into powder. Place a small amount between the teeth and hold it.
Formula for Treating Dental Caries Pain with Cavities:
Xiong Que Fen (Male Sparrow Droppings)
Wrap in cotton cloth and plug into the cavity. Change twice daily.
Formula for Treating Dental Caries Erosion by Worms:
Ji Zhen (Thorn Needles, 3 liang, rotten ones)
Crush them. Use half a liang each time, boil in two large zhan of water until reduced to one zhan. Strain. Hold hot in the mouth and spit out when cool.
Another Prescription:
Take seven handfuls of Yu Li Gen (Prunus Mume Root), chop them. Boil in one large zhan of water until reduced to six parts. Strain. Hold hot in the mouth. Worms will emerge immediately, measuring about six or seven fen in length, all with black heads. The condition will then resolve.
Another Prescription:
Place three he of Lang Dang Zi (Datura Seed) in a bottle. Heat seven bronze coins until red-hot and drop them into the bottle. Subsequently heat the Lang Dang Zi until it makes a sound, producing smoke...