Dental review; devoted to the advancement of dentistry. . xtythreads to the inch. In some the screw was turned one-quarteraround, in others one-half, and in still others one full turn once aday. Some of the dogs were killed in three days, others in a week,and still others in two weeks. By this method, the simplest andmost severe forms of pressure were applied. The length of timebeing brief as well as extended. These tissues were decalcified, cut, 636 THE DENTAL REVIEW. stained, and mounted for the microscope. In every case, inflamma-tion was produced. This disproves the theory so long held tha
Dental review; devoted to the advancement of dentistry. . xtythreads to the inch. In some the screw was turned one-quarteraround, in others one-half, and in still others one full turn once aday. Some of the dogs were killed in three days, others in a week,and still others in two weeks. By this method, the simplest andmost severe forms of pressure were applied. The length of timebeing brief as well as extended. These tissues were decalcified, cut, 636 THE DENTAL REVIEW. stained, and mounted for the microscope. In every case, inflamma-tion was produced. This disproves the theory so long held thatbone absorption in regulating teeth was purely a physiologic proc-ess. Teeth were also extracted in dogs, and after a week they werekilled. The bone was decalcified, cut, stained and mounted for themicroscope. The absorption was inflammatory in character. Thejaws of dogs and monkeys who were erupting the second teeth weretreated in like manner. Absorption of the alveolar process to allowthe teeth to pass into position was of inflammatory tvpe. The sim-. Fig. 5. Inflammation and fibrous tissue. pie irritation as well as the severe pressure hence produces thesame pathologic process, inflammation or interstitial gingivitis. The blood vessels which supply the gums, peridental mem-brane and alveolar process are, as I have elsewhere demonstrated;closely connected,1 those in the peridental membrane forming aplexus along the wall of the alveolar process, while only a smallnumber are near the roots of the teeth. So closely connected arethese that the vessels in one tissue cannot become involved without 1 InternationalDental Journal, April, 1896. ORIGINAL COMMUNICATIONS, 637 involving those of the other tissues. Hence gingivitis occurs,which in reality becomes interstitial, or interstitial inflammationappears which in reality becomes a gingivitis. No matter what the cause may be, or whether the initial lesionbe in the gum or interstitial structure, absorption of the alveolarprocess resu
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1901