Subtraction radiography and computer assisted densitometric analyses of standardized radiographs. A comparison study with 125I absorptiometry.

Subtraction radiography and computer assisted densitometric analyses of standardized radiographs. A comparison study with 125I absorptiometry.
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标准化射线照片的减影射线照相和计算机辅助光密度分析。

DOI:
10.1111/j.1600-0765.1985.tb00849.x
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发表时间:
1985
影响因子:
3.5
通讯作者:
Hausmann,E
Hausmann,E
中科院分区:
医学3区
文献类型:
--
作者:
Ortman,LF;Dunford,R;McHenry,K;Hausmann,E

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采用减影X线摄影和计算机辅助定量光密度分析方法,对一系列标准化的、逐渐增加的颅骨牙槽嵴缺损的X线片进行分析。受试者能够通过125 I吸收测定法测量骨丢失在1- 5%范围内的牙槽骨缺损,使用减影X线摄影检测变化。利用调整对比度差异(伽马校正)的射线照相对的定量密度分析可用于跟踪特定牙槽骨部位的纵向变化。这些测量值与125 I吸收测定法观察到的变化相关(r= 0.82-0.94)。
A standardized radiographic series of incrementally increasing alveolar crestal defects in skulls were subjected to analyses by subtraction radiography and computer assisted quantitative densitometric analysis. Subjects were able to detect change using subtraction radiography in alveolar bone defects with bone loss in the range of 1–5 percent as measured by125I absorptiometry. Quantitative densitometric analyses utilizing radiographic pairs adjusted for differences in contrast (gamma corrected) can be used to follow longitudinal changes at a particular alveolar bone site. Such measurements correlate with change observed by125I absorptiometry (r= 0.82–0.94).
边缘骨丢失的放射线评估。
DOI: --
发表时间: 1969
期刊: Odontologisk revy
影响因子: --
作者:
H. Björn;A. Halling;H. Thyberg
通讯作者: H. Thyberg
DOI: 10.3109/02841857409137688
发表时间: 1974
期刊: Acta radiologica: therapy, physics, biology
影响因子: --
作者:
C. O. Henrikson;J. Bergström
通讯作者: J. Bergström
评估牙周病牙槽骨量变化的技术,重点是 125I 吸收测定法。
DOI: 10.1111/j.1600-051x.1983.tb02178.x
发表时间: 1983
影响因子: 6.7
作者:
Hausmann,E;McHenry,K;Christersson,L;Rosling,B;Ortman,LF
通讯作者: Ortman,LF
一种比较非标准化射线照片上骨丢失测量值的新方法。
DOI: 10.1111/j.1600-0765.1984.tb01017.x
发表时间: 1984
影响因子: 3.5
作者:
M. Jeffcoat;R. L. J. and;Ray C. Williams
通讯作者: Ray C. Williams
DOI: 10.1902/jop.1972.43.11.699
发表时间: 1972
影响因子: 4.3
作者:
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通讯作者: J. Stoner