Dental Cone Beam CT Kvalitetskontrollarbeid (QA)
Dental Cone Beam CT Kvalitetskontrollarbeid (QA)
Dental Cone Beam CT Kvalitetskontrollarbeid (QA)
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Eksempel I<br />
<strong>CT</strong>-number and noise<br />
Material HU<br />
Interslice<br />
STDEV STDEV<br />
Air -964 17 4,6<br />
PMMA (Center) -37 33 6,0<br />
Teflon 740 63 4,4<br />
PMMA -58 43 11,0<br />
LDPE -250 42 3,8<br />
50 Uniform disk - x-<br />
profile<br />
0<br />
-50<br />
-100<br />
-150<br />
-200<br />
-250<br />
1500<br />
1000<br />
500<br />
0<br />
HU<br />
STDEV<br />
-111 65<br />
-500
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