root apex


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Related to root apex: root morphology

apex

 [a´peks] (pl. apexes, a´pices) (L.)
the pointed end of a cone-shaped part. adj., adj ap´ical.
apex of lung the rounded upper extremity of either lung.
root apex the terminal end of the root of the tooth.

root a·pex

[TA]
the tip of a tooth root, that part farthest from the incisal or occlusal side.

root apex

The end of the root of a tooth. The anatomical landmark in the apical region is the apical foramen.
See also: apex

root a·pex

(rūt āpeks) [TA]
Conic tip of tooth root, that part farthest from incisal or occlusal side.
Synonym(s): apex radicis dentis, root tip.
References in periodicals archive ?
STOP1 induction at low Pi promotes an association between malate and Fe3+, increasing the availability of Pi and affecting the root apex growth.
4.75 produce ROS in the elongating zone of the root apex after only 2
Peroxidase activity along the main root apex of aluminum tolerant and sensitive maize inbred lines (Abstract # 52).
It is now generally accepted that the root apex plays a major role in Al detection and response mechanisms (Delhaize and Ryan 1995; Kochian 1995; Rengel 1996).
The degree of hematoxylin staining in root tips provides a semiquantitative measure of Al content in root tips, and is inversely proportional to both the ability of a genotype to exclude Al from the root apex, and its Al tolerance (Polle et al., 1978).
Endodontic management of a chronic periapical abscess in a maxillary central incisor with an immature root apex using platelet-rich fibrin: A case report.
Electronic apex locator (EAL) was first introduced by Sunada (1962)7 to locate the root apex for measuring the root canal length.
The presence of extraradicular biofilm on the external surface of the root apex, even after the endodontic interventions performed, leads to the practical confirmation of all that has been studied about the possible causes of persistence of the periapical lesions being related to this biofilm.
For instance, after dressing with the antibiotic mixture to resist inflammatory reaction, or if the root apex of the upper posterior tooth is adjacent to maxillary sinus, it may be more difficult to induce enough blood.
Mucosal fenestration is a condition that can be described as breakdown of the overlying bone and alveolar mucosa leading to exposure of root apex in the oral environment.