. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students . CELLULOID FRONT VIEW END RUBBER BAG (open) RETAINING CLIP HALF SIZE. Ji RUBBER BAS (closed) Fig. 357. Films for photographing teeth. To be placed inside the mouth. Method devised by Dr. Rollins in 1896. a thin bag of black soft rubber or black waterproof paper, to excludelight and moisture, and in putting the tube opposite the same jaw asthe films and about 28 centimetres distant from them. Several films,each one separated by a thin sheet
. The Roentgen rays in medicine and surgery as an aid in diagnosis and as a therapeutic agent : designed for the use of practitioners and students . CELLULOID FRONT VIEW END RUBBER BAG (open) RETAINING CLIP HALF SIZE. Ji RUBBER BAS (closed) Fig. 357. Films for photographing teeth. To be placed inside the mouth. Method devised by Dr. Rollins in 1896. a thin bag of black soft rubber or black waterproof paper, to excludelight and moisture, and in putting the tube opposite the same jaw asthe films and about 28 centimetres distant from them. Several films,each one separated by a thin sheet of foil, are used, because in thisway each negative has a slightly different exposure. The film-holderis shown in Fig. 357. For some cases the metal film-holder shown in Fig. 358 is desirable. Length of Exposure. — The length of exposure depends upon theamount of light, and varies from a few seconds to several minutes,according to the form of apparatus used. The main uses of the X-rays in dentistry are as follows: — 1. To obtain information about unerupted teeth. 2. To find the position of roots before regulating, or for bridge To recognize pulple
Size: 1351px × 1849px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookidroentgenrays, bookyear1901
