. The Dental cosmos. teeth apart, as was the first. This was found to be amost useful device. Continued thought upon this subjectled to the belief that correct stereographscould be taken without any film-holdersor planes whatsoever, and upon tryingout this idea the results bore out thecorrectness of the theory. While all pic-tures cannot be taken in this manner,when favorable conditions obtain, abso-lutely satisfactory results can be obtained. For Fig. 4 the stereographs were takenby enveloping the films in rubber andplacing the same between the teeth—noholder whatsoever being used. (Figs. 4 a
. The Dental cosmos. teeth apart, as was the first. This was found to be amost useful device. Continued thought upon this subjectled to the belief that correct stereographscould be taken without any film-holdersor planes whatsoever, and upon tryingout this idea the results bore out thecorrectness of the theory. While all pic-tures cannot be taken in this manner,when favorable conditions obtain, abso-lutely satisfactory results can be obtained. For Fig. 4 the stereographs were takenby enveloping the films in rubber andplacing the same between the teeth—noholder whatsoever being used. (Figs. 4 and 5. being- stereographs, areshown at end of article.) Pictures shown in Fig. 5 were takenby merely holding the films in the mouthas is done for plain skiagraphs; thegreatest care being taken that the patientdid not move during their interchange. 750 THE DENTAL COSMOS. In the early days of X-ray work the on the ordinary photographic emulsion,available apparatus was so weak that so this was doubled on special X-ray. minutes were used for exposures where plates, as they are called. Dr. Price ofbetter results are now obtained in as Cleveland had some special triple-coated Fig. 11.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912
