OF MOUNTING ARTIFICIAL TEETH. 133 



of necessity must be cleanly, never becoming 

 offensive from wear ; which qualities last through 

 its use. 



It is repaired or altered with great readiness, 

 and being done by pouring or soldering, accord- 

 ing to circumstances hereafter to be described, 

 and as the metal unites perfectly with the plate 

 repaired, it leaves no trace of such repair or 

 alteration. In this particular it will be found to 

 possess especial advantages, as in the case of 

 altering a temporary set to become a permanent, 

 or in case an error has been made in the first 

 impression, and found only in trying the piece in 

 the mouth, a correct change can be made in a 

 very short time, by cutting out the entire inner or 

 outer surface, and recasting it upon a better 

 impression without disturbing the teeth that have 

 been found to suit in all particulars. Again, in 

 mounting pieces in which the teeth are scattered, 

 you find one or more have not the desired posi- 

 tion, — it is but the work of a few moments to cut 

 such teeth off, and solder them on again exactly 

 adjusted. 



For all cases of regulating, this power of ready 

 alteration is one peculiarly valuable, and has not 

 its equivalent in these particulars in any other 

 process, and done without waste of material or 

 time, as well as the smallest amount of additional 

 expense. 



It is a matter of but little moment in what 



