charmEtch is a phosphoric acid(H3PO4) semi gel-type agent intended for using on dentin and enamel.CharmEtch will effectively remove the smear layer so it helps successful bonding.

Field fo Application
CharmEtch is a pre-treatment agent which helps to bonding agent having a strong bonding strength between resin and teeth.
Etching Syringe Assembly
1 Avoid contact with eyes and skin.
2 Remove safety cap from etching gel syringe and twist a disposable tip onto the syringe.After Injection on the prepared teeth or dispensing pad.remove a disposable tip.If neccessary,you can bend the disposable tip to a desired angle.
3 Replace safety cap for next use.
Application
1 Isolation & drying
Clean and dry the cavity.
Avoid any contamination of the cavity with saliva or blood.
Rubber dam is recommended for isolation.
2 Cabity preparaton
Preparation cavity with minimum elimination of the teeth.
Make sure complete removal of the existing amalgam or composite resin.
3 Etching
Etch entire cavity with CharmEtch (enamel:approx.15 sec,dention:max.15 sec.)
Remove etching gel by suction.
Rinse for 20 sec.
Remove excess water with air blower and leave moist in dentin surface
If surface is not chalk-white/matt appearance,repeat this etching step.
4 Dip an applicator in bonding bottle
Dip an Applicator tip in bonding bottle
5 CharmBond Application
Apply CharmBond to enamel and detin surfaces using applicator tip.let it work for 30 sec.
6 Curing
Light cure for 20 sec,with visible curing unit.
7 Filling
Fill the cavity with CharmFil Plus or CharmFil Flow
Package
CharmEtch 3 multiply 3 syringes,Etching gel disposable tips
Cautions
1 Avioding splashing into the eyes.
2 In case of contact with the skin,wash thoroughly with soap and water.
Storage
1 store in shady and cool place
2 In warmer climate,refrigeration will extend shelf life.
3 Shelf life at room temperature is 2 years.

才发现这东西是韩国的。他们应该有中文的吧。http://www.dentkist.com/english/home.htm

charmEtch is a phosphoric acid(H3PO4) semi gel-type agent intended for using on dentin and enamel.CharmEtch will effectively remove the smear layer so it helps successful bonding.
charmEtch是一种用于牙质及牙珐琅质的半胶质状磷酸物(H3PO4)媒介。CharmEtch可以有效清除牙上的污迹，有助于黏结成功。
Field fo Application
CharmEtch is a pre-treatment agent which helps to bonding agent having a strong bonding strength between resin and teeth.
Etching Syringe Assembly
应用范围
CharmEtch是预处理媒介，可以帮助黏结剂在牙与树脂间有牢固的黏合。
腐蚀处理用针管
1 Avoid contact with eyes and skin.
2 Remove safety cap from etching gel syringe and twist a disposable tip onto the syringe.After Injection on the prepared teeth or dispensing pad.remove a disposable tip.If neccessary,you can bend the disposable tip to a desired angle.
3 Replace safety cap for next use.
1。避免与眼睛及皮肤接触
2。摘掉腐蚀处理用针管上的安全帽，将一次行针头拧到针管上。注射到准备好的牙齿上，或备用的牙垫上。用后拧下一次性针头。必要时可以将一次性针头弯曲成想要的角度。
3。将安全帽盖到针管上，以便下次再用。
Application
1 Isolation & drying
Clean and dry the cavity.
Avoid any contamination of the cavity with saliva or blood.
Rubber dam is recommended for isolation.
应用
1。隔离及干燥
清洗并干燥蛀牙
避免任何唾液或血液弄脏蛀牙。
建议用橡皮块进行隔离。
2 Cabity preparaton
Preparation cavity with minimum elimination of the teeth.
Make sure complete removal of the existing amalgam or composite resin.
2。蛀牙准备
准备蛀牙时将蛀牙少量磨去部份。
要注意将现有的汞填充物及混合树脂填充物全部清除。
3 Etching
Etch entire cavity with CharmEtch (enamel:approx.15 sec,dention:max.15 sec.)
Remove etching gel by suction.
Rinse for 20 sec.
Remove excess water with air blower and leave moist in dentin surface
If surface is not chalk-white/matt appearance,repeat this etching step.
3。腐蚀
用CharmEtch腐蚀整个蛀牙部份(牙珐琅质大约用15秒，牙质最多15秒)
用吸管将剩余腐蚀剂吸净。
冲洗20秒
用空气机吹净嘴内多于的水，并将潮气留在牙质上。如果表面不是石灰白/暗淡色，重复腐蚀步奏。
4 Dip an applicator in bonding bottle
Dip an Applicator tip in bonding bottle
5 CharmBond Application
Apply CharmBond to enamel and detin surfaces using applicator tip.let it work for 30 sec.
4。将治疗器在胶水瓶里沾。
将治疗器在胶水瓶里沾一下。
5。CharmBond应用
用治疗器将CharmBond胶水涂于牙珐琅质及牙质上，等30秒。
6 Curing
Light cure for 20 sec,with visible curing unit.
7 Filling
Fill the cavity with CharmFil Plus or CharmFil Flow
Package
CharmEtch 3 multiply 3 syringes,Etching gel disposable tips
6。固化
使用可见固化器，光照固化20秒。
7。填补
用CharmFil Plus 或CharmFil Flow药物，CharmEtch 3第三号针管，腐蚀剂一次性针头填补蛀牙。
Cautions
1 Avioding splashing into the eyes.
2 In case of contact with the skin,wash thoroughly with soap and water.
Storage
1 store in shady and cool place
2 In warmer climate,refrigeration will extend shelf life.
3 Shelf life at room temperature is 2 years.
注意事项
1。避免药物溅入眼内
2。如果药物与皮肤接触，用肥皂及水洗净。
贮存
1。贮存与避光及低温度处
2。热天时，电冰箱可以帮助延长有效期。
3。室温下有效期为两年。