. Elementary and dental radiography / by Howard Riley Raper . -dents of the Indiana Dental College, academic year 1915-1910. Though the canals of all of theteeth were opened through the end, Fig. 490 represents only the first effort to fill them andmany of them are very imperfectly filled. tunate that the phrase enlarge canals is in such common use ; it makesus think of the operation in the wrong way. The psychic influencewould be better if we should discard the phrase enlarging canals for CANAL SURGERY AND ORAL JNfliCTJON 461 opening canals. The operator, intent on opening canals, has his min
. Elementary and dental radiography / by Howard Riley Raper . -dents of the Indiana Dental College, academic year 1915-1910. Though the canals of all of theteeth were opened through the end, Fig. 490 represents only the first effort to fill them andmany of them are very imperfectly filled. tunate that the phrase enlarge canals is in such common use ; it makesus think of the operation in the wrong way. The psychic influencewould be better if we should discard the phrase enlarging canals for CANAL SURGERY AND ORAL JNfliCTJON 461 opening canals. The operator, intent on opening canals, has his mindfocused on the place he wishes to reach—the end of the root—while theman enlarging canals has his mind fixed essentially on just that part ofthe canal he is enlarging, From a study of Figure 490 and chart relating to it, it would seemthat, if given the economic opportunity, dentists should he able to fill thecanals of, say, about one out of three molars, at least. ( In the past, Ishould say, hardly one out of a thousand has been filled.) For, admitting.
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