Wisdom teeth generally begin to form in your pre-teen years. By late teen years, the crown of the wisdom teeth will begin to erupt through the gums if there is adequate room. By mid twenties, your wisdom teeth will either be able to fully erupt or will have become impacted. Early removal of wisdom teeth makes the procedure easier for the patient to tolerate and promotes faster healing after wards. By your early forties, the wisdom teeth roots have become fully anchored to the jawbone and if required to be extracted, will be much harder and will need more time to heal.
Wisdom teeth under ideal circumstances should grow in straight like any other tooth. However, it is common for wisdom teeth to become impacted inside the jaw or just under the gums. If this occurs, your wisdom teeth should be removed.
1) Horizontal Impaction
2) Angular Impaction
3) Vertical Impaction
4) Soft Tissue Impaction
The problems involving your wisdom teeth may be caused by the size of your jaw and/or by how crowded your teeth are. Common warning symptoms that there is an un-natural problem in the development of your wisdom teeth could be pain and swelling.
Symptoms can be caused by:
1) Infection to the gums
2) A crowded tooth displacing neighboring teeth
3) A decayed wisdom tooth
4) Poorly positioned wisdom tooth
5) A cyst that destroys bone
Removal of wisdom teeth could be done while you are sedated and being carefully monitored.
1) An incision is made in the gums.
2) The overlaying bone is removed to
expose the crown of the tooth.
3) The tooth is then extracted as a whole or under certain circumstances, it may be necessary to be removed in pieces. This is generally done for severely impacted wisdom teeth.
4) The area is stitched closed and allowed to heal.
Bone grafting is commonly performed by an oral and maxillofacial surgeon to replace or augment bone in areas of tooth loss. Bone grafting to the jaws and facial structures may be necessary in a wide variety of scenarios. The most common bone grafts are facial skeleton and jaw procedures. Other common procedures include tooth extraction site graft, bone graft reconstruction and for a sinus lift. Shrinkage of bone often occurs when a tooth is lost due to trauma, severe caries, or periodontal disease. Additionally, bone loss may have already occurred due to infection or pathology around a tooth. There are many artificial biocompatible bone substitutes available; however, the best material for a bone graft is your own bone, which most likely will come from your chin, the back part of your lower jaw or your hip bone. The hip is considered to be a better source because the hip bone has a lot of marrow, which contains bone-forming cells. There are also synthetic materials that can be used for bone grafting. Most bone grafts use a person's own bone, possibly in combination with other materials.
To place the removed bone in the recipient site, little holes are drilled in the existing bone to cause bleeding. This is done because blood provides cells that help the bone heal. The block of bone that was removed will be anchored in place with titanium screws. A mixture of the patient's bone marrow and some other bone-graft material will then be placed around the edges of bone block. Finally, a membrane is placed over the area and the incision closed.
The bone graft will take about 6 to 12 months to heal before dental implants can be placed. At that time, the titanium screws used to anchor the bone block in place will be removed before the implant is placed.
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