Surface pre-conditioning with bioactive glass air-abrasion can enhance enamel white spot lesion remineralization

Dental Materials : Official Publication of the Academy of Dental Materials
H MillyA Banerjee

Abstract

To evaluate the effect of pre-conditioning enamel white spot lesion (WSL) surfaces using bioactive glass (BAG) air-abrasion prior to remineralization therapy. Ninety human enamel samples with artificial WSLs were assigned to three WSL surface pre-conditioning groups (n=30): (a) air-abrasion with BAG-polyacrylic acid (PAA-BAG) powder, (b) acid-etching using 37% phosphoric acid gel (positive control) and (c) unconditioned (negative control). Each group was further divided into three subgroups according to the following remineralization therapy (n=10): (I) BAG paste (36 wt.% BAG), (II) BAG slurry (100 wt.% BAG) and (III) de-ionized water (negative control). The average surface roughness and the lesion step height compared to intra-specimen sound enamel reference points were analyzed using non-contact profilometry. Optical changes within the lesion subsurface compared to baseline scans were assessed using optical coherence tomography (OCT). Knoop microhardness evaluated the WSLs' mechanical properties. Raman micro-spectroscopy measured the v-(CO3)(2-)/v1-(PO4)(3-) ratio. Structural changes in the lesion were observed using confocal laser scanning microscopy (CLSM) and scanning electron microscopy-energy dispersive X-ray spectrometr...Continue Reading

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Citations

Feb 20, 2016·Clinical Oral Investigations·Aline Segatto Pires AltmannSusana Maria Werner Samuel
Feb 3, 2016·Journal of Dentistry·Mahdi Shahmoradi, Michael Swain
Feb 24, 2017·Advanced Materials·Shasha YaoRuikang Tang
Dec 1, 2017·Clinical Oral Investigations·Ayam A TahaMangala P Patel
Oct 27, 2017·Journal of Healthcare Engineering·Monika MachoyKrzysztof Woźniak
Aug 8, 2018·Journal of Dental Research·A A TahaM P Patel
May 28, 2019·Dental Materials : Official Publication of the Academy of Dental Materials·Dimitrios DionysopoulosThrasyvoulos Sfeikos
Jul 11, 2021·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Ramya RamadossBalakumar Subramanian
Jul 2, 2020·Dental Materials : Official Publication of the Academy of Dental Materials·Caroline MocquotPierre Colon

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