Preparation some new complexes of methacrylic acid derivatives and evaluation as a bonding agent in tooth

Abstract

Ligands were prepared by reacting Methacrylic acid with each of Ethylene
chlorohydrine, Chloro acetic acid, 2-hydroxy benzal Chloride , 2- chloro-6- hydroxy
aniline, 2- chloro-6- hydroxy pyridine. The ligands were formed and then interacted
with Ca(II); The Complexes resulted from ligand : metal (2:1) interaction that have
the general formula [Ca(H2 C=C(CH3)CO2R)2]. Ten complexes were done by
preparing a mixture of ligand compounds prepared above and Glutaraldehyde. The
mixture was reacted with Calcium ion taken from healthy teeth solved in concentrated
Nitric acid. Then it was tried to use these complexes as to be bonding materials that
connect the composite with the enamel.
The complexes were studied by Conductivity, Infrared spectra, biocompatibility, and
antibacterial measurements. The conductivity measurements of the prepared
complexes indicated that all the complexes prepared in Methylcyanid solvent at (10-3
M concentration) at 25oC are non-electrolyte. The infrared spectra showed
displacement of stretching vibration ν (C=O) presented in all the complexes. Also, a
band belonged to metal –oxygen bonding stretching was indicate that the bonding
occurred via oxygen.
As for the study of biocompatibility and antibacterial, it was clear that the prepared
complexes had a prohibiting effect on bacteria and fungi, but no negative effect on
oral (mouth) tissues.