Principles and practice of operative dentistry . W ^ f rf* ^ l^# %24 ^ mm # Miw ,i Ml ;.; /?* /<? ^ /Cr .#. X/700 Q[tpr[. BACTERIOLOGY OF THE MOUTH. 97 nate with elliptical bacteria and rnecliura-sized dumb-bells, all perfectlyequal, which form the largest number. The third phase is generally met with in the salivary calculus of theteeth. Its predominant elements are large filaments, often long, bent,and reunited in bundles, and stumps. Two notable features are observedin the large filaments, which have not been described by any previousauthor. The first of these is the divisi
Principles and practice of operative dentistry . W ^ f rf* ^ l^# %24 ^ mm # Miw ,i Ml ;.; /?* /<? ^ /Cr .#. X/700 Q[tpr[. BACTERIOLOGY OF THE MOUTH. 97 nate with elliptical bacteria and rnecliura-sized dumb-bells, all perfectlyequal, which form the largest number. The third phase is generally met with in the salivary calculus of theteeth. Its predominant elements are large filaments, often long, bent,and reunited in bundles, and stumps. Two notable features are observedin the large filaments, which have not been described by any previousauthor. The first of these is the division of the radial extremity of thefilament into two or three branches (Plate VI., Fig. 9). In a the filamentis broken towards the top and exhibits two long roots ; in b there are threehood-shaped roots, both appearing to be swollen at their ends (c) likehaustoria. The author raises the query of the use of these barbs or roots,if they are not to obtain a firm foundation in the soil. And to whatpurpose a firm foundation, if not to support higher forms of vegetation ? The second feature is that of the enlarge
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1901
