The Use of Caries Preventive Agents Alone and in Regimen for Prevention of Enamel Demineralisation under Cariogenic Challenge in situ

Aim of the Research: To compare the efficacy of Casein Phosphopeptide- Stabilised Amorphous Calcium Fluoride Phosphate (CPP-ACFP) 900 ppm (MI Paste Plus™) combined with fluoride toothpaste 1450 ppm F as a regimen with Functionalised tri-calcium phosphate (f-TCP) 950 ppm (Clinpro tooth crème™) and fluoride toothpaste 1450 ppm F, on de/remineralisation dental enamel in an in situ randomised, cross-over design study. Materials and Methods: Sterilised bovine enamel slabs, intact and with subsurface caries-like lesions, were prepared and worn by healthy volunteers (n=14). The study had four arms, 21-day duration each. Four pastes were tested (i) Placebo (0-ppm), (ii) 1450 ppm F, (iii) MI Paste Plus combined fluoride toothpaste 1450 ppm F, (iv) Clinpro tooth crème 950 ppm F. The pastes were randomly assigned and each subject crossed over to each paste after a seven-day washout period. Slabs were subjected to a five times/day cariogenic challenge (12% sucrose) with the subjects using one of the treatments. Volunteers dipped their appliances twice/day for 2 minutes, in a slurry of the toothpastes. For group 3, additionally, the appliance was dipped for 3 min in a slurry MI Paste Plus once/day immediately following the second exposure to the slurry of 1450 ppm F. Further de/remineralisation were assessed using Quantitative Light-Induced Fluorescence (QLF) and Surface Microhardness before and after the treatment period. Results: QLF results for all test groups showed a significant reduction (p< 0.05) in lesion volume (ΔQ) compared to the placebo. No statistically significant differences were found between the test groups. The Microhardness results for all test groups showed a significant increase (p<0.05) of enamel hardness compared with the placebo. No statistically significant differences were found between the test groups. Conclusion: The use of MI Paste Plus in combination with 1450 ppm F toothpaste did not show a greater reduction of enamel subsurface lesions or decreased demineralisation of sound enamel in comparison to 1450 ppm F toothpaste and Clinpro tooth crème alone in our model

Evaluation of the shear bond strength of a tricalcium silicate-based material to four self-adhering glass ionomer materials: an in vitro study

BackgroundThis study aimed to evaluate and compare the shear bond strength (SBS) of EQUIA Forte HT with that of other restorative materials, including EQUIA Forte, glass ionomer cement (GIC), and resin-modified glass ionomer cement (RMGIC) when bonded to NeoMTA 2.Materials and methodsA total of 120 holes were created in Teflon molds and filled with NeoMTA 2. The restorative materials were immediately applied using customized silicone molds. The samples were randomly divided into two main groups: one to measure the immediate SBS and the other to measure the delayed SBS. These two main groups were further divided into four subgroups based on the restorative material used: EQUIA Forte HT, EQUIA Forte, GIC, and RMGIC.ResultsThe study groups showed statistically significant differences in the mean SBS (p &lt; 0.0001). The immediate SBS of the RMGIC group (mean ± SD: 5.43 ± 1.22) was significantly higher than those of the GIC and EQUIA Forte groups, with no significant difference found compared to the SBS of EQUIA Forte HT. In the delayed SBS, both the RMGIC and EQUIA Forte HT groups (4.98 ± 0.67 and 4.93 ± 0.60, respectively) demonstrated significantly higher bond strengths than the GIC and EQUIA Forte groups (3.81 ± 0.57 and 4.2 ± 0.63, respectively). However, there were no statistically significant differences between the RMGIC and EQUIA Forte HT groups or between the GIC and EQUIA Forte groups.ConclusionBased on our findings, EQUIA Forte HT has shown promising outcomes when used as a restorative material following pulpotomies, with results comparable to those of RMGIC

Dental Anxiety and Fear among Patients in Jazan, Kingdom of Saudi Arabia: A Cross-sectional Study

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