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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 ?
The MIC value of the endodontic toothpastes and their individual components was determined as the lowest concentration capable of completely inhibiting the development of previously established colonies of microorganism that commonly infect the dental pulp canal.
Long-term sealing ability of Pulp Canal Sealer, AH-Plus, GuttaFlow and Epiphany.
3) The pulp canal in the lateral cusps is wide in the basal part of the cusp but becomes narrower higher up and almost reaches the cusp tip (Fig.
However, it should be kept in mind that careful regular follow-up is obligatory because of the possible complications such as pulp necrosis, pulp canal obliteration, ankylosis, inflammatory root resorption, surface resorption and bone loss in alveoler process bone fracture.
Periapical radiographs are highly informative in endodontics as they give information about anatomy of pulp canal system and its surrounding periodontium.
Paralogania with flattened, relatively large, strongly elongate scales, with smooth crown plate or with plate having shallow furrow along midline and one to two fine, backwardly and upwardly directed ridges posterolaterally of plate; oblique ridges reach posterior crown apex; two to four, usually three, fine spines posterolaterally of crown or anteriorly of most lateral slanting ridge or beneath it; spine row does not reach posterior crown apex; double-spine beneath posterior crown apex absent; base slightly deeper anteriorly than posteriorly; pulp depression wide, as slit-like opening or smooth; pulp canal long, numerous dentine canals shorter and sinuous.
2005] Many cases show pulp canal obliteration [Agamy et al.
65 mm; anterior margin of crown bluntly rounded; crown narrower anteriorly than at midlength; crown posteriorly elongate, narrowing smoothly towards tip; crowns covered with very fine longitudinal ridges and grooves; all ridges on crown either distributed rostro-caudally over scale and converging on single posterior point, or median ridges running straight to posterior end of crown but with more lateral ridges curving from base upwards and posteriorly; each fine ridge may be formed from two parallel finer ridgelets; lower crown surface smooth; neck as very narrow furrow; base rounded, anteriorly placed; anterior spur-like projection short or absent; pulp cavity large, continuing as wide pulp canal posteriorly.