Nerve Repositioning
Making Space for Implants in the Lower Jaw
The inferior alveolar nerve, which gives feeling to the lower lip and chin, may need to be moved in order to make room for the placement of dental implants in the lower jaw. A nerve repositioning procedure is limited to the lower jaw and may be indicated when teeth are missing in the area of the two back molars and/or second premolars.
This procedure is considered a very aggressive approach since there is almost always some postoperative numbness of the lower lip and jaw area, which typically dissipates very slowly but may be permanent. Usually, other, less aggressive options are considered first, such as placement of blade implants.
This procedure is considered a very aggressive approach since there is almost always some postoperative numbness of the lower lip and jaw area, which typically dissipates very slowly but may be permanent. Usually, other, less aggressive options are considered first, such as placement of blade implants.
How Nerve Repositioning Is Performed
Accessing the Nerve
Typically, an outer section of the cheek on the side of the lower jawbone is removed to expose the nerve and vessel canal. The nerve and vessel bundle is isolated and slightly pulled aside.Placing the Implants
The implants are placed while carefully tracking the neurovascular bundle. After implant placement, the bundle is released and positioned back over the implants. The surgical area is then filled with bone graft material and closed.Bone Graft Sources
These procedures may be performed separately or together depending on the individual’s condition. Bone grafts may be taken from:Using the patient’s own bone typically offers the best results.
Allograft and Synthetic Options
In many cases, allograft material can be used for dental implant bone grafting. This donor bone stimulates the patient’s own bone growth and is very safe. Synthetic materials may also be used to stimulate bone formation, and growth factors from your own blood can enhance healing in graft areas.After Surgery
These surgeries are performed in an outpatient surgical suite under IV sedation or general anesthesia. Bed rest is recommended for one day following the procedure, with limited physical activity for one week.Nerve Repositioning Procedures
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