Canal

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CANAL. A trench dug for leading water in a particular direction, and confining it.
     2. Public canals are generally protected by the law which authorizes their being made. Various points have arisen under numerous laws authorizing the construction of canals, which have been decided in cases reported in 1 Yeates, 430; 1 Binn. 70; 1 Pennsyl. 462; 2 Pennsyl. 517; 7 Mass. 169; 1 Sumu. 46; 20 Johns. 103, 735; 2 Johns. 283; 7 John. Ch. 315; 1 Wend. 474; 5 Wend. 166; 8 Wend. 469; 4 Wend. 667; 6 Cowen, 698; 7 Cowen, 526 4 Hamm. 253; 5 Hamm. 141, 391; 6 Hamm. 126; 1 N. H. Rep. 339; See River.

References in periodicals archive ?
[15] found accessory canals of the CS by CBCT in 51.7% of 1000 patients.
Reported reviews claiming retrograde filling's necessity advocated that horizontal accessory canals in the posterior dentition cannot be eliminated with conventional methods, remaining pulpal tissue can lead to relapse of infection, and periapical environment cannot be protected without retrograde filling (8, 24).
Mitchell, "Periodontal disease, accessory canals and pulp pathosis," Journal of Periodontology, vol.
Moreover, the complexity of accessory canals impedes achievement of appropriate/ideal canal preparation and obturation.
Indeed, the instruments (both manual and rotary) do not reach certain areas such as cracks, crevices, isthmus, accessory canals and apical deltas [3, 4].
The flow of endodontic sealers may have an effect on obturation of accessory canals and microspaces between master and accessory cones [3].
The consequence of an infected root canal space is, therefore, most likely to be apical periodontitis, as the toxins can only communicate with the periodontal tissues through the apical foramina or large accessory canals. However, if the cemental layer is lost or damaged, the inflammatory stimulators can pass from an infected pulp space through the dentinal tubules into the surrounding periodontal ligament, which, in turn, sets up an inflammatory response.
Frequency, location, and direction of the lateral, secondary, and accessory canals. J Endod.