Temporary crowns on the front teeth: photo and how much can be worn
- the presence of such a phenomenon as bruxism, so called gnashing of teeth;
- allergic reactions to the material;
- deformed bite;
- diagnosis of a patient's nervous disorders, mental disorders;
- children do not have such prostheses.
Manufacturing and installation process
Such crowns can be created directly in the dentist's office.This is done if you are supposed to wear them all for a month.Immediately, a mold is made of plastic, then a polymerizing substance is placed in it.This design is worn on the tooth.It is necessary to wait, when the composition dries, then the masses are removed.The prosthesis is fixed with a special material, usually cement is used.If necessary, the crown is subjected to grinding, polishing.
Temporary crowns on the front teeth can not be distinguished from the permanent
. According to the photo, the temporary crowns on the front teeth can not be distinguished from the permanent ones, especially if the first ones are delivered quite recently.Therefore, if the wear is assumed to be long, the process of creation is more complex, it is necessary to adjust the size and shape under the jaw configuration so that the crowns can retain their appearance longer.
If the patient plans to wear the crown for more than a month, the manufacturing process follows the following steps:
- uses a silicone compound for casting, as in the case of cermet or ceramic dentures.It is not the mold of one tooth that is made, but the mold of both jaws;
- then plaster models of jaws are created;
- in the laboratory conditions the constructions themselves are made;
- further they are tried on and installed.Again, cement is used to fix it.
How long can I wear a temporary crown made of plastic?
Specialists do not advise using a temporary crown for more than 3 years
Before the prosthetics, the oral cavity is sanitized, the doctor removes the plaque, heals the caries.Some of the old fillings may require replacement.It is done without fail, prostheses are established only in the absence of serious problems and diseases of the oral cavity, otherwise the life of the crowns may be even less.
During the installation, the period of turning of the teeth necessarily passes.This is done in order to create a place for the crown.At the first stage, the doctor, taking into account the patient's opinion, decides whether or not to apply depulpation.Chewing teeth are usually not subjected to depulpation, and single-root teeth are depulpated without fail.Since in the manufacture of works on prosthetics, the risk is high to burn the pulp and lead to tooth damage.
Then follows obatachka, so the process of removal of tooth tissue is called.The crown should be placed on a special stump, it requires a place, therefore, and obtachka is produced.Therefore, just enough tissue is removed to ensure the correct placement of the prosthesis.If depulpation was not done, this procedure can be very painful, local anesthesia is used.
The process of removing plastic crowns
Temporary crowns can change color over time, as well as the spots
Metal ceramics are sawn, but the plastic is not so strong and rigid, so in such a procedure there is no need.First, the dentist needs to weaken the action of the fixing substances.Special machines are used for this.The effect is by ultrasound.Used and such a device as a cop machine or drill.They provide a gradual tightening of the prosthesis.Painful sensations do not arise.The tooth is cleaned of the remaining traces of fixing materials.Usually the dentist does not even use anesthesia in such cases.
Temporary crowns can be used further or put permanent, which also have a service life, but longer, up to 15 years.In any case, the patient consults with the attending physician, takes into account his abilities, advice and expert opinion.
