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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).
In botany, a root sprout or sucker is a severable plant that grows not from a seed but from the meristem of a root at the base of or a certain distance from the original tree or shrub. Root sprouts may emerge a substantial distance from the base of the originating plant, are a form of vegetative dispersal , and may form a patch that constitutes ...
The pearl onion (Allium ampeloprasum var. sectivum or A. ampeloprasum 'Pearl-Onion Group'), [1] also known as button onion, baby onion or silverskin onion in the UK, [2] is a close relative of the leek (A. ampeloprasum var. porrum), and may be distinguished from common onions by having only a single storage leaf, [3] similar to cloves of garlic.
To achieve healing of the periapical lesion, one must obtain and maintain a decontaminated root canal system. System is to be emphasized, because the root canal system does not merely consist of tapering cone-shaped canals from orifice to apex , but rather, can and often is an intricate labyrinth of canals that diverge and weave to form an ...
Smilax is a genus of about 300–350 species, found in the tropics and subtropics worldwide. [1] They are climbing flowering plants, many of which are woody and/or thorny, in the monocotyledon family Smilacaceae, native throughout the tropical and subtropical regions of the world.
The tree produces spiky green fruits about the size of a golf ball, which turn brown and drop off the tree over an extended period beginning in fall and continuing over the winter.
Regenerative endodontics has 3 critical steps: adequate disinfection of the root canal system, induction of bleeding through overinstrumentation to create a scaffold for stem cells, and coronal sealing of the blood clot with a biocompatible material, such as mineral trioxide aggregate. The procedure is applied in two visits as follows: [50]
The Paleozoic swamps had tree-like lycopsids that grew up to 30 m (98 ft), [2] and even 50 m (160 ft) in height. [3] These lycopsid plants were anchored by an extensive network of branching underground structures with root-like appendages attached to them. The underground organs or structures of these lycopsids is referred to as Stigmaria. [4]