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- Title
Effect of Galla chinensis on the surface strengthening of bovine dentine in vitro.
- Authors
DENG Meng; LI Hong; DONG Xiao-li; SHI Ju-hon
- Abstract
PURPOSE: To evaluate the effect of Galla chinensis extract (GCE) on strengthening the surface properties of bovine dentine in vitro. METHODS: Forty-five bovine dentine blocks were prepared and randomly divided into three groups to undergo a modified anti-acid pH-cyeling regimen. Treatments were 4 g/L aqueous solution of Galla chinensis, 1 g/L NaF (positive control) and distilled deionized water (DDW, negative control). Surface dentine microhardness was assessed before and after the pH-cycling regimen and the percentage of microhardness loss (PML) was calculated. Then specimens were analyzed with scanning electron microscopy (SEM) and energy-dispersive X-ray spectrometry (EDXS). Statistical analysis was performed by SPSS17.0 software package. RESULTS: Compared with DDW, GCE significantly reduced dentinal mierohardness loss (P<0.05). No significant difference of the PML was found between GCE and NaF groups (P >0.05). Both SEM images and elemental contents were similar between the GCE and NaF group. CONCLUSIONS: Galla chinensis can enhance the surface properties of bovine dentine and may inhibit dentine caries progression and protect tooth dentine from erosion in this laboratory study. Supported by Science and Technology Support Program of Siehuan Province (2009FZ0065) and Research Fund of Zhejiang Chinese Medicine University (2012).
- Subjects
DENTIN; CATTLE; IN vitro studies; PLANT extracts; AQUEOUS solutions; SCANNING electron microscopy; HYDROGEN-ion concentration
- Publication
Shanghai Journal of Stomatology, 2013, Vol 22, Issue 2, p164
- ISSN
1006-7248
- Publication type
Article