27. Quantative assessment of X-ray opacity in the maxillary sinus
نویسندگان
چکیده
منابع مشابه
[Quantitative evaluation of X-ray opacity of the maxillary sinus using a digital disposition system].
The authors attempted to obtain a quantitative index of X-ray opacity of the maxillary sinus using a digital disposition system. X-ray films of the Waters' view were used for analysis. A cooper wedge was placed on the left side of the subject's face and was simultaneously filmed. The wedge was made of copper plates increased in thickness from 0.2 to 4.0 mm in 20 steps and serving as a calibrati...
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ژورنال
عنوان ژورنال: Japanese Journal of Radiological Technology
سال: 1991
ISSN: 0369-4305,1881-4883
DOI: 10.6009/jjrt.kj00003323771