If you have had a major tooth trauma, you can expect to have some permanent discoloration. This is due to the internal damage that was done to the tooth and the discoloration showing through the tooth enamel. To remedy this issue, dentists have devised a way to bleach the tooth from the inside out. This will help whiten the inside of the teeth, allowing the enamel to appear whiter. This is a multi-step process that will include the following:
Examine the Interior of the Tooth
The first step in internal teeth bleaching is to have x-rays to examine the health of the inside of the tooth. The dentist will need to determine that the canal filling is still healthy and intact. They will also check to ensure the bone growth around the dental work is healthy enough for the procedure.
The next step is to create an access cavity in the tooth. This is a pin-sized hole that is drilled in the tooth, generally in the back so that it cannot be seen. The dentist will clean out any of the discoloration that is left behind from prior procedures. This step alone will create a noticeable difference in the color of the tooth.
The goal of the cervical seal is to protect the tooth while it is exposed during the process. The dentist will then create a cervical seal that will keep the bleach from penetrating into the access cavity prematurely. It also provides extra sealant if a root canal is the cause of the discoloration.
Bleach the Tooth
The next step is to apply the bleach solution. Unlike traditional dental bleach, the bleach for this procedure is much thicker, almost like thick putty. It will be added to the access cavity and sealed temporarily. Keep in mind that this one step will need to be repeated until you get the desired outcome.
Finalizing the Procedure
Once you are satisfied with the shade of the tooth, it is time to finalize the restoration. A permanent filling will seal the dentin. Much like filling a cavity at a routine appointment, the tooth is filled not only to protect the integrity of the process but also to ensure no food or bacteria enters the tooth. If that happened, you can expect a very painful tooth that could need additional treatment.
While not as aggressive as veneers or tooth replacement, internal bleaching can still be an arduous process. You will have to have a high level of commitment in order to achieve your desired results.
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