Original Research Article
Year: 2020 | Month: August | Volume: 7 | Issue: 8 | Pages: 257-264
Comparative Evaluation of the Effect of Various Surface Coating Agents on Fluoride Release from Conventional Glass Ionomer Cement in Deionized Water, Artificial Saliva and Lactic Acid - An In-Vitro Study
Sathiyavathi Mahendra Kumar1, Bhavana Vankayala2, Geetha K3, Mahendra Kuamar S4, Leneena Gudugunta5, Purnima Jevaji6
1Lecturer, Department of Pedodontics and Preventive Dentistry, AIMST University, Malaysia.
2Assistant Professor, Department of Conservative Dentistry and Endodontics, Government dental college and hospital, Hyderabad, Telangana, India.
3Faculty, Department of Pedodontics and Preventive Dentistry, Rajah Muthiah Dental College & Hospital, Annamalai University, India.
4Faculty, Department of Oral maxillofacial surgery, Rajah Muthiah Dental College & Hospital Annamalai University, India.
5Lecturer, Department of Conservative Dentistry and Endodontics, AIMST University, Malaysia.
6Research Assistant, Department of Research, The George Institute of Global Health, Hyderabad, Telengana.
Corresponding Author: Bhavana Vankayala
ABSTRACT
Introduction: To know the effect of surface coating agents on the fluoride release property of conventional Glass Ionomer Cements (GIC) when stored in different storage media.
Materials and Method: Forty-five pellets were fabricated from conventional GIC (GC Fuji type ii capsules) and were randomized into three groups (Group I, II and III)of 15 each. Group I samples were uncoated, group II coated with petroleum jelly and group III were coated with G-coat plus (Nano-filled protective coating). Each group were divided into 3 subgroups consisting of 5 samples which were suspended in each immersion solution in deionized water, artificial saliva and lactic acid and were renewed every 24 hours for 15 days. The fluoride release was measured on day 1st,3rd, 7thand 15thby using UV light visible spectrophotometer.
Results: In deionized water and artificial saliva, for all the 3 groups the mean fluoride release values were found to be fluctuating, as, from 1st day it showed a increased release on 3rd day and subsequently decreased till 15th day where as in lactic acid, it showed a highest release on 1st day and then gradually decreased till 15th day. On intergroup comparison, G-coat plus showed very minimal fluctuation of fluoride release and was statistically significant.
Conclusion: The result concludes that fluoride release from the conventional GIC was reduced with the application of surface coating and maximum fluoride release was observed in low pH environment. Conventional GIC when protected with G-coat plus showed minimal fluctuation in fluoride release, thus allowing sustained release for a longer period of time.
Keywords: Fluoride Release, Surface Coating Agents, Glass Ionomer Cement, Deionized Water, Artificial Saliva and Lactic Acid
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