Sealing of root channels of teeth Chisina
Temporary seals are intended for removal afterwards and their replacements by constants. Most often they are used in the medical and diagnostic purposes. Let's say the doctor is not sure up to the end, struck the nerve or not.
The temporary tooth is for this purpose filled if tooth ached - means it is necessary to delete the nerve.
Temporary (medical) seals most often hide under themselves different drugs which will need to be removed then. I.e. the temporary seal - this not that which fell out for the 3rd day after visit of the doctor, and the seal which the doctor removed itself with only slight inconvenience through the certain period.
Permanent seals are seals which shall stand at you for years and decades.
I.e. the seal which at you fell out in the month does not approach one classification and is delivered or with violation of technology, or without mechanical loadings (perhaps, the crown was necessary there).