Manual of dental surgery and pathology . rected to their retention. Cases of direct transverse fractureof the lower jaw have occurred, the result of attempting to re-move a tooth ; and under the hands, we believe, of those whoseskilfulness as operators has never been questioned. We can un-derstand this most unfortunate complication occurring whenonly a very moderate amount of force has been employed: pre-parations of the lower jaw are to be met with, where more thanone-half of the thickness of the bone has been lost by alveolarabscess. Where extensive alveolar abscess has occurred, it willbe w
Manual of dental surgery and pathology . rected to their retention. Cases of direct transverse fractureof the lower jaw have occurred, the result of attempting to re-move a tooth ; and under the hands, we believe, of those whoseskilfulness as operators has never been questioned. We can un-derstand this most unfortunate complication occurring whenonly a very moderate amount of force has been employed: pre-parations of the lower jaw are to be met with, where more thanone-half of the thickness of the bone has been lost by alveolarabscess. Where extensive alveolar abscess has occurred, it willbe well for us to bear this fact in mind ; and should such acci-dent occur, the dental surgeon ought to be the best person torectify it. A more common accident attendant upon extraction of teeththan the foregoing will be dislocation, partial or complete, of theinferior maxilla; it most frequently occurs during the adminis-tration of an anaesthetic, doubtless in consequence of the relaxed 312 MANUAL OF DENTAL SURGERY AND PATHOLOGY Fio;. Wedge cutter. condition of the muscles. To reduce it, the two thumbs of theoperator, well protected by a nuitkin or folds of lint, should beplaced upon the back-teeth, and, whilst the jaw is thus dcpi-essedat its posterior portions, its anterior portion should be elevated DIFFICULTIES, ETC., IN EXTRACTION. 313 by the pressure of tLe fingers under tlie cliin. In adopting this,the ordinary process, we have never met with any difficulty inaccomplishing our object. Cases have occurred in which the lower teeth, especially thethird molars, by embracing the interior dental nerve with theirfangs, have of necessity in their removal caused the severance ofthe latter, and we have known a case where paralysis of the samenerve followed the extraction of a third molar, which couldonly be accounted for as the result of shock. To the [)atientthe result of this injury is distressing, as from loss of sensationthe saliva trickles from that side of the mouth witho
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