High-Resolution Ultrasonic Imaging of Dento-Periodontal Tissues Using a Multi-Element Phased Array System
作者： Kim-Cuong T. Nguyen , Lawrence H. Le , Neelambar R. Kaipatur , Rui Zheng , Edmond H. Lou
DOI: 10.1007/S10439-016-1634-2
关键词: Medical imaging 、 Cone beam computed tomography 、 Ultrasound 、 Biomedical engineering 、 Phased array 、 Multi element 、 Soft tissue 、 Mechanical wave 、 Materials science 、 Transducer
摘要: Intraoral ultrasonography uses high-frequency mechanical waves to study dento-periodontium. Besides the advantages of portability and cost-effectiveness, ultrasound technique has no ionizing radiation. Previous studies employed a single transducer or an array elements, focused on enamel thickness distance measurement. This used phased system with 128-element image dento-periodontal tissues. We studied two porcine lower incisors from 6-month-old piglet using 20-MHz ultrasound. The high-resolution ultrasonographs clearly showed cross-sectional morphological images hard soft investigation integration waveform analysis, travel-time calculation, wavefield simulation reveal nature data, which makes novel. With assistance time-distance radio-frequency records, we robustly justified enamel-dentin interface, dentin-pulp cemento-enamel junction. alveolar crest level, location junction, were measured compared favorably those cone beam computed tomography less than 10% difference. preliminary fundamental reinforced conclusions previous studies, that great potential become non-invasive diagnostic imaging tool for quantitative assessment periodontal structures better delivery oral care.
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