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The etymology of the word tracheotomy comes from two Greek words: the root tom-(from Greek τομή tomḗ) meaning "to cut", and the word trachea (from Greek τραχεία tracheía). [2] The word tracheostomy , including the root stom- (from Greek στόμα stóma ) meaning "mouth", refers to the making of a semi-permanent or permanent ...
An unusual root canal shape, complex branching (especially the existence of horizontal branches), and multiple root canals are considered as the main causes of root canal treatment failures. (e.g. If a secondary root canal goes unnoticed by the dentist and is not cleaned and sealed, it will remain infected, causing the root canal therapy to fail).
The root canal filling material (3, 4, and 10) does not extend to the end of the tooth roots (5, 6 and 11). The dark circles at the bottom of the tooth roots (7 and 8) indicated infection in the surrounding bone. Recommended treatment is either to redo the root canal therapy or extract the tooth and place dental implants.
Hummus is a common dip in Egypt where it is eaten with pita, [33] and frequently flavored with cumin or other spices. [32] [33] [34] In the Levant, hummus has long been a staple food, often served as a warm dish, with bread for breakfast, lunch or dinner. All of the ingredients in hummus are easily found in gardens, farms and markets, thus ...
Examples of this are undercuts, slots/grooves or root canal posts. In some cases this may necessitate excessive amounts of healthy tooth structure to be removed. Hence, alternative resin-based or glass-ionomer cement-based materials are used instead for smaller restorations including pit and small fissure caries.
A root end surgery, also known as apicoectomy (apico-+ -ectomy), apicectomy (apic-+ -ectomy), retrograde root canal treatment (c.f. orthograde root canal treatment) or root-end filling, is an endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material.
Underneath the cementum and enamel layers, dentin forms the bulk of the tooth and surrounds the pulp system. The part of the pulp inside the crown is the pulp chamber, and the central soft tissue nutrient canals within each root are root canals, exiting through one or more holes at the root end (apical foramen/foramina).
Therefore, the pulp has to be removed. If the root canals of the abutment teeth are obliterated, endodontic treatment is not required. Teeth with non-negotiable root canals should not be selected as abutments. Implant-supported. Edentulous patients with sufficient amount of bony ridge on their jaws can opt for implant supported overdenture. [4]