Abstract #4265
Center-Acquisition-at-Partial-Ramp Imaging (CAPRI) compared to Ultra-Short Echo-Time (UTE) Imaging for Diagnosis of Dental Demineralization
Anna-Katinka Bracher 1 , Erich Hell 2 , Johannes Ulrici 2 , and Volker Rasche 1
1
Internal Medicine II, University Hospital of
Ulm, Ulm, BW, Germany,
2
Sirona
Dental Systems, Bensheim, HE, Germany
Ultra short echo time (UTE) imaging has proven its
potential for radiation free detection of caries lesions
and also for classification of lesion progression using
ultra short T2* mapping. The UTE imaging sequence is
very sensitive to gradient delay related k-space center
shifts and off-resonance effects. C APRI allows
automatic correction of gradient delays, reduces
off-resonance and T2 induced blurring artefacts and
provides T2* mapping for lesion classification.
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