File:Dental and oral radiography - a text book for students and practitioners of dentistry (1916) (14570565240).jpg

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Identifier: dentaloral00mcco (find matches)
Title: Dental and oral radiography : a text book for students and practitioners of dentistry
Year: 1916 (1910s)
Authors: McCoy, James David
Subjects: Radiography, Dental X-rays Teeth Mouth
Publisher: St. Louis : Mosby
Contributing Library: West Virginia University Libraries
Digitizing Sponsor: LYRASIS Members and Sloan Foundation

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roper height,position and angle, so that the patients head canrest against it in any desired position. In thisway the patient is afforded the firm support ofthe heavy dental chair, and therefore has littledifficulty in remaining perfectly quiet, and theoperator can by making a few changes in the posi-tion of the small chair, by moving and readjust-ing the tube stand and the head rest, have radio-graphic access to any part of the oral cavity orassociated structures. The arrangement of theapparatus preparatory to seating the patient isshown in Fig. 40. The fact that this requires but a few moments,does not disarrange the office, or put the patientto discomfort, justifies the author in feeling that 96 DENTAL AND ORAL RADIOGRAPHY it is by all means the preferable method for usein the dental office. With the head thus supported, as shown in Pig.41. the rays are directed from the opposite side of the hoad, and therefore must pass through theentire face or skull in transit. The question nat-
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Fig. 40.The arrangement of the ap) - reparatory to seating the patient. urally arises, how is this to be accomplished with-out superimposing the shadows of one side uponthe shadows of the other side, and thereby pro-ducing a chaotic result. For instance, let us suppose that we wish toobtain a radiograph of the left side of the upper DENTAL AXD ORAL RADIOGRAPHY TECHXIC 97 and lower jaws extending from the cuspid regionin front to the angle of the jaw behind, and fromthe floor of the orbit above to the inferior marginof the mandible below. If we are to get a cor-rect shadowgraphic representation of this area,it should be free from the shadows of the oppo-

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Flickr tags
InfoField
  • bookid:dentaloral00mcco
  • bookyear:1916
  • bookdecade:1910
  • bookcentury:1900
  • bookauthor:McCoy__James_David
  • booksubject:Radiography__Dental
  • booksubject:X_rays
  • booksubject:Teeth
  • booksubject:Mouth
  • bookpublisher:St__Louis___Mosby
  • bookcontributor:West_Virginia_University_Libraries
  • booksponsor:LYRASIS_Members_and_Sloan_Foundation
  • bookleafnumber:99
  • bookcollection:west_virginia_university
  • bookcollection:americana
Flickr posted date
InfoField
27 July 2014

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