The paralleling extension-cone technique in intraoral dental radiography
作者： William J. Updegrave
DOI: 10.1016/0030-4220(51)90084-9
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摘要: Abstract 1. Dental radiography is keeping stride with the other advances in modern dentistry. 2. Modern dental radiographic equipment encourages adoption of advanced techniques. 3. Paralleling object and film essential to avoid dimensional distortion eliminate anatomic shadows which interfere correct interpretation. 4. The increased object-film distance produced by paralleing demands an increase anode-film minimize enlargement adumbration. 5. Variable kilovoltage milliamperage controls make possible production films possessing desired contrast density. 6. Such are superior those older
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sci-hub.se 参考文章(10)
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