. The principles and practice of dental surgery. tion; its edges are then cut off with a pair ofscissors, either straight or curved laterally, or else with a bis-toury and a pair of forceps. This done, the ligatures are tied,and the ends cut off.* Dr. J. C. Warren, of Boston, who has performed the opera-tion JSb number of times, uses a needle of his own invention, witha movable point. His son, Dr. J. M. Warren, has also per-formed the operation frequently, and with very great the fissure extends up into the hard palate, he dissects themucous membrane from the bone on each side, ca
. The principles and practice of dental surgery. tion; its edges are then cut off with a pair ofscissors, either straight or curved laterally, or else with a bis-toury and a pair of forceps. This done, the ligatures are tied,and the ends cut off.* Dr. J. C. Warren, of Boston, who has performed the opera-tion JSb number of times, uses a needle of his own invention, witha movable point. His son, Dr. J. M. Warren, has also per-formed the operation frequently, and with very great the fissure extends up into the hard palate, he dissects themucous membrane from the bone on each side, carrying hisknife sufiiciently forward toward the alveolar border to form aflap broad enough to meet a like one from the opposite, alongthe median line. This is the flap operation. When the fissure is so wide as to prevent the margins of thevelum from being brought together, Dr. Mettauer, of Virginia,recommends making several lateral incisions through the mucous « Appendix to Coopers Surgical Dictionary, by Dr. Reese, p. 126. 828 membrane, with a view to increase the extent of the velum, andthus permit their edges to be brought together. For supplying deficiency of structure, Dieffen-bach also proposes that a longi-tudinal incision be made at ashort distance from the marginof the fissure, as in Fig. 299,from Dr. Pancoasts OperativeSurgery. The last-named gen-tleman has just performed theoperation in two cases, withsuccess. Dr. Miitter, of Phila-delphia, who has been very suc-cessful in the operation, hasalso had recourse to these late-ral longitudinal incisions, withthe most happy results.*Suture of the palate is always difficult, and was, in formerdays, anything but a successful operation, by reason of the al-most impossibility of preventing the flaps, when united, frombeing dragged asunder by the muscles. To Fergusson is duethe great credit of introducing a new principle of treatment inthe operation, viz: the application to it of myotowij^ and thusparalyzing t
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