Aside from these external factors , however, a tooth can undergo staining from within the tooth itself. Typically this is due to a structural defect within the tooth , a dying tooth , or because blood and other bodily fluids penetrated the tooth during prior root canal treatment. When this occurs, a root canal procedure is completed to remove the nerve from inside the canal of the tooth.
Prior root canal therapy facilitates access to the center of the tooth (pulp chamber) where the internal bleaching material is placed. A cotton pellet is soaked in the bleaching compound and placed in the center of the tooth and covered with a temporary filling material to seal the opening. It can affect any part of the outside of the tooth , from the roots to the cementum on the outside.
On the outside of teeth , external resorption may look like deep holes or chips. Do I need a Root Canal ? Instead of extracting a tooth , endodontic treatment cleans out the deadened (or damaged) nerve tissue that is infected. Bleaching a root canal or endodontically ( endo-inside , dont-tooth) treated tooth involves placement of a bleaching agent into the empty pulp chamber of the non-vital, discolored tooth. Today the most common and safest internal bleaching agent used for this technique is sodium perborate. A: External Whitening of a Tooth with Root Canal Your tooth most likely discolored due to the nerve dying from the trauma.
This discoloration is an intrinsic stain which affects the dentin layer of the tooth , not so much the enamel. Internal bleaching after root canal and tooth is.
In some situations, the bleaching agent may be placed into the cleared pulp chamber during the initial root canal treatment—especially if the tooth is already noticeably stained. In all other respects, the procedure is the same. Teeth whitening will brighten and whiten your smile, but may not have the same on your root canal teeth. In the cases of external cervical resorption induced by internal bleaching , when severe fragilization is not verifie the conduct should correspond to raising a gingival flap and filling with esthetically favorable material, which. Traditional teeth whitening is not the same as internal teeth bleaching.
External whitening only bleaches your teeth from the outside. The treatment consists in treating the pulp or removing the infection and the nerve tissue from the pulp of the tooth. Contrary to external bleaching , internal bleaching is performed to brighten your teeth from the inside out. The objective of an internal bleaching lies in the removal of the tooth discoloration without sacrificing any hard tooth substance.
A special bleaching gel is inserted into the interior of the tooth ,. The term “resorption” comes from the Latin root resorbere, meaning “to absorb. In teeth however, it’s not really absorption like a sponge absorbing water. A tooth being resorbed is actually eaten away, either by cells inside the pulp or outside the root.
Once the canal is fille the tooth is sealed to prevent further damage to the tooth’s interior. If a tooth already has a root canal and the root canal filling is soun a hole can be made in the back of the tooth to enable the bleaching agent to reach the target area. Discoloration can also happen that a tooth that appeared normal will begin to discolor many months (or years) after a root canal has been performed.
After the access hole is made,.
In either situation, it may be possible to whiten your tooth with a procedure called internal bleaching or even to restore with a beautiful porcelain covering. Several treatment options were given with risk, benefits and cost discussed: No treatment. Extra-coronal restoration (crown or veneer) Extraction and replacement with implant or bridge or implant. When the roots of the teeth that need a root canal have die the root turns a dark brown.
The material of the dead root permeates the dentin surrounding it before the dead root is removed during the root canal treatment. The permeating of the dentin by the dead root causes the permanent discoloration of the tooth. Histological section from control tooth ( root canal treated without bleaching ). Approximating root canal -treated teeth, 1-yr posttreatment.
The tooth on the right had walking bleach only and shows no resorption.
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