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In the dental specialty of endodontics, periradicular surgery is surgery to the external root surface. Examples of periradicular surgery include apicoectomy, root resection, repair of root perforation or resorption defects, removal of broken fragments of the tooth or a filling material, and exploratory surgery to look for root fractures.
Amalgam fillings expand with age, possibly cracking the tooth and requiring repair and filling replacement, but chance of leakage of filling is less. Composite fillings shrink with age and may pull away from the tooth allowing leakage. If leakage is not noticed early, recurrent decay may occur.
Endovascular aneurysm repair (EVAR) is a type of minimally-invasive endovascular surgery used to treat pathology of the aorta, most commonly an abdominal aortic aneurysm (AAA). When used to treat thoracic aortic disease, the procedure is then specifically termed TEVAR for "thoracic endovascular aortic/aneurysm repair."
Similar to AAA, IAA occurs in the abdominal region. [1] IAA is closely associated and believed to be a response to and extensive peri-aneurysmal fibrosis, [ 2 ] which is the formation of excess fibrous connective tissue in an organ or tissue in a reparative or reactive process IAA accounts for 5-10% of aortic aneurysms.
Inlays can give the restored tooth a natural, aesthetic appearance: ceramic inlays allow an excellent shade match that makes the restoration almost indistinguishable from the surrounding natural tooth [8] Ceramic inlays have better physical properties than traditional resin composite fillings for posterior teeth [8]
Guided bone regeneration (GBR) and guided tissue regeneration (GTR) are dental surgical procedures that use barrier membranes to direct the growth of new bone and gingival tissue at sites with insufficient volumes or dimensions of bone or gingiva for proper function, esthetics or prosthetic restoration. Guided bone regeneration typically refers ...
Versatility: Composite fillings can be used to repair chipped, broken or worn teeth [18] which would not be repairable using amalgam fillings. Repairability: In many cases of minor damage to a composite filling, the damage can be easily repaired by adding additional composite. An amalgam filling might require complete replacement.
These benefits have brought a new horizon in Endodontics which is the ability to save more natural teeth with great long-term prognosis. - Characteristics of the bioceramic materials. Bioceramis are ceramic materials that is specifically made for use in medicine and in dentistry. They include alumina and zirconia, bioactive glass, etc.
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