magnetic resonance diagnostic in dental caries

Władysław P Weglarz, Marta Tanasiewicz, Tomasz Kupka, Tomasz Skórka, Zenon Sułek, Andrzej Jasiński

Overview

caries diagnostics might be improved via mr

Resources

https://www.researchgate.net/publication/8940332_3D_MR_imaging_of_dental_cavities_-_An_in_vitro_study
https://www.researchgate.net/publication/8940332_3D_MR_imaging_of_dental_cavities_-_An_in_vitro_study
tooth magnetic resonance diagnostics
https://www.ncbi.nlm.nih.gov/pubmed/14698391

3D MR imaging of dental cavities-an in vitro study.

Authors:
Tomasz Kupka, DMD, PhD
Tomasz Kupka, DMD, PhD
https://www.researchgate.net/profile/Tomasz_Kupka
Minimal Invasive Dentistry & Dental Materials Science
Earth

Solid State Nucl Magn Reson 2004 Jan;25(1-3):84-7

Department of Nuclear Radiospectroscopy, H.Niewodniczañski Institute of Nuclear Physics, ul.Radzikowskiego 152 31-342 Kraków, Poland.

A 3D spin-echo (3D SE) pulse sequence was used on a 4.7 T research MRI system to produce images of extracted human first molar tooth placed in CuSO4 water solution. The maximal resolution achieved was 35 x 63 x 300 microm3 in read and two phase directions, respectively. The high-intensity signal from water in solution together with the lack of signal from mineralized tooth tissue produce very good contrast allowing to visualize topography of outer and inner surfaces of the tooth. The 3D MR data were median filtered, binarized and then divided into separate segments corresponding to the inner tooth cavities and the hard tooth tissue. The topography of the root canals was visualized and the canals volume was calculated. The presented technique may be used for quantitative analysis of the root canal cavities shape and volume. The results of such an analysis may be applied for estimation of the quality of the impressional mapping methods in restorative dentistry or as an alternative non-impressional 3D mapping method.

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Source
http://dx.doi.org/10.1016/j.ssnmr.2003.03.010DOI Listing
January 2004
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