EFFECT OF DIFFERENT ESSENTIAL OILS ON HUMAN DENTINE
STRUCTURE
ROXANA GABRIELA ZGÂRIAN1, FILIP IACOB1, DURMUȘ ALPASLAN KAYA2, ILEANA RĂU1, GEORGETA VOICU1, GRAȚIELA TEODORA TIHAN1*
1University “Politehnica” of Bucharest, Faculty of Applied Chemistry and Materials Science, Bucharest, Romania
2Mustafa Kemal University, Faculty of Agriculture, Antakya-Hatay, Turkey
*corresponding author: gratielatihan@yahoo.com
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Abstract:
This paper revealed the effect of Oregano, Rosmarinus and Myrtus essential oils on the dentine structure stability for the
improvement of collagen resistance against enzymatic activity. Several techniques were used: Fourier Transform Infrared
Spectroscopy (FTIR), enzymatic degradation and Scanning Electron Microscopy (SEM). Results showed that all studied oils
acted as protective films on the dentine after digestion of collagenase, even if the Oregano or Myrtus essential oils caused a
demineralization process at the beginning. The oil treated slabs presented a significant lower mass loss than the non-treated
slab after the action of the collagenase. This fact indicates a beneficial impact of these essential oils on the stability of the
dentine.

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