APPLICATION OF SYNCHROTRONIC IR-MICROSPECTROSCOPY FOR ANALYSIS OF INTEGRATION OF BIOMIMETIC COMPOSITES WITH NATIVE DENTAL TISSUES by Seredin Pavel V., Goloshchapov Dmitry L., Nikitkov Kirill A., Bartenev Vladislav N., Kashkarov Vladimir M., Ippolitov Yury A., Jitraporn (Pimm) Vongsvivut