. The Dental cosmos. it lasted only three months. When thepatient was referred to me, I was mak-ing experiments with a nitrous oxidand oxygen outfit. I therefore kepthim waiting for several days until Iconsidered myself sufficiently skilled inproducing analgesia, and I decided totry the plan I had in mind for anchorage Fig. of the tip to his tooth. I had previouslymade a radiograph of the tooth, and itindicated that removal of the pulp forthe purpose of crowning should not yetbe resorted to, as the apical foramenwas large, and the formation of the apexnot completed. The young patient for-
. The Dental cosmos. it lasted only three months. When thepatient was referred to me, I was mak-ing experiments with a nitrous oxidand oxygen outfit. I therefore kepthim waiting for several days until Iconsidered myself sufficiently skilled inproducing analgesia, and I decided totry the plan I had in mind for anchorage Fig. of the tip to his tooth. I had previouslymade a radiograph of the tooth, and itindicated that removal of the pulp forthe purpose of crowning should not yetbe resorted to, as the apical foramenwas large, and the formation of the apexnot completed. The young patient for-tunately took very kindly to the gas,enjoying the entire operation. My planwas to make porcelain pins for retainingthis incisal edge restoration. Porcelainpins are very strong, as one can judgeby making one, and breaking it withhis fingers. It will be found to be a very difficult task to break one of thesepins, which are about 3-16 of an inchin length and of the diameter of abouta No. 7 or No. 9 round bur, if they arebaked uniformly from high-fusing porce-lain. The platinum pins in the caseunder discussion were broken off levelwith the tooth, which, as has been said, Fig. 24.
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Keywords: ., bookcentury1900, bookdecade1910, bookiddent, booksubjectdentistry