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In dentistry, a crown or a dental cap is a type of dental restoration that completely caps or encircles a tooth or dental implant. A crown may be needed when a large dental cavity threatens the health of a tooth. Some dentists will also finish root canal treatment by covering the exposed tooth with a crown.
Extractions could be categorized into non-surgical (simple) and surgical, depending on the type of tooth to be removed and other factors. A dental x-ray image (radiograph) showing the shape and number of roots of the molars which cannot be observed in the mouth directly.
Composite crowns [3] Preformed malleable composite crowns are soft and easily moulded to the tooth in situ. They can be partially cured for two to three seconds in the mouth and removed to be fully cured outside the mouth. Final check for occlusion, fit and margins can be carried out prior to cementing provisional restoration. 4.
For growing patients, decoronation is used. Decoronation is the removal of tooth crown. [5] It serves as an alternative surgery for tooth extraction. It is recommended over extraction because it limits bone resorption and therefore maintains a sufficient growth of alveolar bone to enable tooth implantation [citation needed]. Decoronation can be ...
Alveolar bone resorption is a common side effect of tooth removal (extraction) due to severe tooth decay, trauma, or infection that limits dental implant placement. Surgical bone augmentation is associated with limitations such as high cost, bone graft rejection or failure, pain, infection, and the addition of 6–12 months to the treatment ...
After extraction of a tooth, the clot in the alveolus fills in with immature bone, which later is remodeled into mature secondary bone. Disturbance of the blood clot can cause alveolar osteitis, commonly referred to as "dry socket". With the partial or total loss of teeth, the alveolar process undergoes resorption.
Ideally, extraction of the tooth from recipient site should be performed on the same day when donor tooth is removed for transplantation. [3] In cases when tooth from recipient site must be extracted earlier due to toothache or other reasons, transplantation should be scheduled within a month. [3]
After tooth extraction, the residual crest irregularities, undercuts or bone spicules should be removed, because they may result in an obstruction in placing a prosthetic restorative appliance. Recontouring can be made at the time of extraction or at a later time.