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Colostomy Patient with a colostomy complicated by a large parastomal hernia, which is when tissue protrudes adjacent to the stoma tract. CT scan of same patient, showing intestines within the hernia. Parastomal hernia is the most common late complication of stomata through the abdominal wall, occurring in 10 to 25% of the patients. [1]
The Hartmann's procedure with a proximal end colostomy or ileostomy is the most common operation carried out by general surgeons for management of malignant obstruction of the distal colon. During this procedure, the lesion is removed, the distal bowel closed intraperitoneally, and the proximal bowel diverted with a stoma .
Only the proximal stoma is functioning. Most often, double-barrel colostomy is a temporary colostomy with two openings into the colon (distal and proximal). The elimination occurs through the proximal stoma. Colostomy surgery that is planned usually has a higher rate of long-term success than surgery performed in an emergency situation.
An ostomy pouching system [1] is a prosthetic medical device that provides a means for the collection of waste from a surgically diverted biological system (colon, ileum, bladder) and the creation of a stoma. Pouching systems are most commonly associated with colostomies, ileostomies, and urostomies. [2]
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 ...
Because beveled tooth structure is not parallel to the vertical axis of the tooth, it does not properly contribute to ferrule height; thus, a desire to bevel the crown margin by 1 mm would require an additional 1 mm of bone removal in the crown lengthening procedure. [19] Frequently, however, restorations are performed without such a bevel.
This consideration of crown-to-root ratio is essential when evaluating the tooth for a crown-lengthening procedure. In the picture at right, the two teeth on the extreme left and right are the ones under discussion. The two teeth in the middle have been endodontically treated, but do not have post and cores.
Crown lengthening is a technique for increasing crown height of teeth by flap surgery with or without bone surgery. [3] There are two main types: Aesthetic crown lengthening which is performed when a "gummy" smile is an issue for the patient [3] Functional crown lengthening is used to make an unrestorable tooth restorable.
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