After treatment of the teeth, some are vital teeth (dental nerve), some are dead dental pulp (tooth nerve has been necrosis). Vital teeth filling material on if off, the teeth can cause pain, it will continue to develop the formation of pulpitis, apical inflammation. Dead dental pulp quality due to loss of nutrients leaving the teeth become fragile, loose, due to chewing pressure, affect the occurrence of broken teeth, chewing function, thus protecting the mend teeth is essential.
Just make good teeth, can not immediately be used to chew food, especially the silver amalgam filling teeth, because the silver amalgam filling in 24 hours to fully cure. If the range is fully cured material to chew on food, will affect the curing, resulting in the filling Dental Instruments of the material off. Larger range of dental caries, even if the method by filling up or repair can not withstand large masticatory forces, therefore, these make up over the teeth to avoid biting excellent food.
Dental caries, dental pulp and periapical tissue affected, the treatment doctors often need to remove the pulp, the teeth become no nerves of teeth, loss of sources of nutrition, the teeth will gradually become weak, if the remaining tooth structure much, even more than "weak without the bite," easy to fracture. It is this situation she had got the teeth, the teeth of these doctors are generally told patients not to bite hard objects, if the conditions can make up to be a cover over the crown on the tooth to protect it up, teeth, "broken" out the possibility of ceased to exist.
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