. The principles and practice of dental surgery. gether. This precaution is necessary, in an-taf^onizing single as well as block teeth. If the outer tuberclesstrike first, the pressure there will spring and loosen the the same reason upper molars and bicuspids should not beset, if it is possible to avoid it, so that the force of masticationfalls outside of the ridge. A small space, too, should be left be-tween the last tooth of the upper and of the lower jaw, providedthe crown of the lower molar, as sometimes happens, looks for-ward, its posterior edge being a little higher than the
. The principles and practice of dental surgery. gether. This precaution is necessary, in an-taf^onizing single as well as block teeth. If the outer tuberclesstrike first, the pressure there will spring and loosen the the same reason upper molars and bicuspids should not beset, if it is possible to avoid it, so that the force of masticationfalls outside of the ridge. A small space, too, should be left be-tween the last tooth of the upper and of the lower jaw, providedthe crown of the lower molar, as sometimes happens, looks for-ward, its posterior edge being a little higher than the anterior. It is often necessary to cut away a considerable portion of atooth in order to make it fit accurately to the plate. This willmake the process of grinding very tedious unless tlie operatorhas a number of sharp-cutting corundum wheels, varying fromhalf an inch to three or four inches in diameter. These may be attached to one of the hand lathes on page615, or to one of the foot lathes, of which the depots now furnish Fig. 2-26. Fig.
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