Publication: Synthesis of magnesium doped calcium silicate via high-speed planetary ball milling with different milling time and speed
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Date
2024-08-01
Authors
Muhammad Annas Bin Ramli
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Abstract
Mineral Trioxide Aggregate (MTA) has numerous therapeutic applications in dentistry, including perforation repair, root-end filling material, direct and indirect pulp capping, apical plug development, and treatment of immature apices (Radwan et al., 2019). However, MTA has some disadvantages, including a lengthy setup time which is about 40 minutes. The goal of this research is to improve the setting time of magnesium-doped calcium silicate (Mg-CaSi) in tailoring the particle size of the bioceramic powders by milling them at different speeds (200/400/600 rpm) and times (2/4/6 hours). The magnesium-doped calcium silicate (Mg-CaSi) was synthesized at a milling speed of 400 rpm for 2, 4 and 6 hours via high-speed planetary ball milling. The milling duration that produces Mg-CaSi ceramic powders with optimum results will be selected for the next stage with varied milling speed, which was MgCaSi that was milled for 4 hours. The sample 600-rpm MgCaSi, which exhibits superior physiochemical properties, emerged as the most promising powder for having the smallest median particle size and having a faster setting time than CaSi 600 rpm pastes, which was 3 hours. The addition of Polyethylene glycol may aid in the reduction of setting time by increasing the hydration rate. This study represents a step towards advancing endodontic medicine by addressing current treatment challenges and introducing innovative bioceramic material.