Therapies

Wurzelspitzenresektion

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In the Wurzelspitzenresektion (WSR, Tooth Root Resection), the tip of a tooth root is removed (resected) so that the tooth does not have to be completely removed despite caries or other infections and inflammation. Read here what a root tip resection is exactly, in which cases it becomes necessary, how it works and what the risks are.

ArtikelübersichtWurzelspitzenresektion

  • What is a root tip resection?
  • When do you make a root tip resection?
  • What do you do with a root tip resection?
  • What are the risks of a root tip resection?
  • What do I have to consider after a root tip resection?

What is a root tip resection?

Root Tip Resection (WSR) describes the removal of a tooth root tip - it does not remove the whole root. The procedure is therefore incorrectly referred to as root resection or tooth root resection.

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When do you make a root tip resection?

The spread of tooth decay can cause inflammation inside the tooth. This leads to an expansion of the blood vessels, which press on the tooth nerve and thus cause severe pain. If the bacteria reach the tip of the root - the innermost part of the tooth - they can also spread to the bones and soft parts of the face from here. In the worst case, the bacteria migrate through the blood throughout the body. To prevent this, the dentist can do a root canal treatment. If this is unsuccessful, the root tip resection is often the last alternative to pulling the tooth.

Even if a root canal treatment is not possible due to a strong curvature of the roots or the root canal is closed, the root tip resection represents an alternative.

Other possible reasons for a Wurzelspitzenresektion are, for example, a broken tooth root and non-removable, broken root canal instruments.

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What do you do with a root tip resection?

Before the actual root tip resection, the doctor prepares an X-ray image of the dentition, so that he can get a precise overview. He usually gives the patient a local anesthetic; only in rare cases is general anesthesia necessary. Then the doctor cuts through the gums and periosteum of the affected tooth. He folds the surrounding tissue over and looks directly at the part of the jawbone under which the root tip lies. The bone is removed with special routers or lasers until the root tip is visible. This is shortened by two to three millimeters. In addition, inflammatory tissue is removed. After careful disinfection, the dentist inserts a special filling into the root canal, thus sealing the tooth. Finally, he folds back the surrounding tissue and sews the wound. With the help of a final x-ray image he checks the root tip resection and the filling.

Root tip resection: Duration of the procedure

The duration of a root tip resection can not be specified exactly. It depends on the patient, the difficulty of the procedure and possible complications. The position of the tooth also plays a role. For example, in the case of a root tip resection on the molar, visibility is limited, which can prolong the procedure. In most cases, a root tip resection will take no longer than about 45 minutes.

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What are the risks of a root tip resection?

Pain and swelling are common side effects of a root tip resection. However, as with any surgery, there are also general and special surgery risks. These include:

  • infections
  • bleeding
  • Injury of muscles, bones and nerves
  • Damage to surrounding teeth
  • Loss of the operated tooth
  • Opening of the maxillary sinus

Under certain circumstances, the mandibular nerves can be irritated or even injured in a root tip resection. This leads to a usually only occasionally occurring numbness and possibly also taste disorders. Only in very rare cases does a root tip resection cause complications of severe degree.

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