khallaf, Y., Awad, B., Abdelaziz, A. (2022). Evaluation of Surface Hardness and Color Stability of Two Different Glass Ionomer Cements After Treatment with Calcium Chloride: An In-Vitro Study. The Egyptian Journal of Hospital Medicine, 89(1), 5882-5885. doi: 10.21608/ejhm.2022.266664
yasmeen khallaf; Basma Gamal Awad; Amr Mahmoud Abdelaziz. "Evaluation of Surface Hardness and Color Stability of Two Different Glass Ionomer Cements After Treatment with Calcium Chloride: An In-Vitro Study". The Egyptian Journal of Hospital Medicine, 89, 1, 2022, 5882-5885. doi: 10.21608/ejhm.2022.266664
khallaf, Y., Awad, B., Abdelaziz, A. (2022). 'Evaluation of Surface Hardness and Color Stability of Two Different Glass Ionomer Cements After Treatment with Calcium Chloride: An In-Vitro Study', The Egyptian Journal of Hospital Medicine, 89(1), pp. 5882-5885. doi: 10.21608/ejhm.2022.266664
khallaf, Y., Awad, B., Abdelaziz, A. Evaluation of Surface Hardness and Color Stability of Two Different Glass Ionomer Cements After Treatment with Calcium Chloride: An In-Vitro Study. The Egyptian Journal of Hospital Medicine, 2022; 89(1): 5882-5885. doi: 10.21608/ejhm.2022.266664
Evaluation of Surface Hardness and Color Stability of Two Different Glass Ionomer Cements After Treatment with Calcium Chloride: An In-Vitro Study
Background: Glass ionomer cements (GICs) is one of the materials of choice for restoring carious teeth in children due to its good qualities. Some modifications were made on GIC to improve its properties such as calcium chloride (CaCl2) solution application. Objective: The purpose of this study was to evaluate the effect of 42.7 weight percent (wt%) CaCl2 solution on two GIC restorations in relevance to color stability and surface hardness. Methods: Forty GIC specimens were prepared for each of the two tests and grouped according to the type of GIC into Fuji II light cure (Fuji II) group (n=20) and Fuji IX group (n=20). Each group was further subdivided into two subgroups: control (n=10) and experimental (n=10). Control specimens were left to set without treatment for five minutes. Experimental specimens were left to set for five minutes and then each specimen was immersed in ten milliliters (ml) of 42.7 wt% CaCl2 solution for 60 seconds. Results: Fuji II group showed significant change in color after seven days while Fuji IX group showed no change in color at different time intervals. For surface hardness test, Fuji IX showed increase in surface hardness while Fuji II showed no change in surface hardness. Conclusion: Treatment of GIC with CaCl2 solution does not affect the color stability of Fuji IX GIC but it might affect that of Fuji II GIC. CaCl2 application on GIC improved the surface hardness of Fuji IX GIC however surface hardness of Fuji II had not changed.
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