title: Raman spectroscopic characterisation of resin-infiltrated hypomineralised enamel.
abstract: Raman spectroscopy was used to investigate how the effect of pre-treatment protocols, with combinations of hydrochloric acid (HCl), sodium hypochlorite (NaOCl) and hydrogen peroxide (H2O2), for molar-incisor hypo-mineralisation (MIH) altered the penetration depth of polymer infiltrants (ICON, DMG, Hamburg, Germany). Furthermore, the effect on the structure of the MIH portions of the teeth with treatment is examined using multivariate analysis of spectra. It was found that pre-treatment protocols improved penetration depths. The structure of the MIH portion post-treatment appeared much closer to that of normal enamel suggesting a diminution of protein in the MIH region with treatment.
authors.affiliation: Department of Oral Sciences, Faculty of Dentistry, University of Otago, PO Box 647, Dunedin, 9054, New Zealand.
authors.forename: Arun K
authors.initials: AK
authors.lastname: Natarajan
authors.forename: Sara J
authors.initials: SJ
authors.lastname: Fraser
authors.forename: Michael V
authors.initials: MV
authors.lastname: Swain
authors.forename: Bernadette K
authors.initials: BK
authors.lastname: Drummond
authors.forename: Keith C
authors.initials: KC
authors.lastname: Gordon
mesh_terms: D003743:Dental Enamel; D025341:Principal Component Analysis; D012117:Resins, Synthetic; D013059:Spectrum Analysis, Raman / Q000379:methods*; D017001:Tooth Demineralization
chemical_list: D012117:Resins, Synthetic