Original Article

Year : 2019

Volume : Volume 10

Issue : Issue 1

Comparative Evaluation of the Effect of Topical Fluorides on the Microhardness of Glass Ionomer Cements: An In Vitro Study

Dr. Shachi Goenka.

Address for correspondence :
Dr. Shachi Goenka.
shachigoenka@gmail.com

Abstract


Aim:  To evaluate and compare the effect of topical fluorides on the micro hardness of conventional glass ionomer cement and light cured glass ionomer cement. Materials and Method: Fifteen pellets were made of each material and stored in distilled water at room temperature for 48 hours. These were then randomly divided into three subgroups of five pellets each. First subgroup was used as the control group, second group was treated by 4mins application of 1.23 % acidulated phosphate fluoride (APF) gel and third subgroup was treated by 4 min application of 2 % sodium fluoride (NaF) gel. Thereafter, all the pellets were subjected to micro hardness testing (load = 100 g for 15 s). Result: Microhardness is significantly higher in group II compared to group I for all the samples. Conclusion: The hardness gained of a restorative material may contribute to the detoriation of the material in a clinical environment leading to increased surface roughness, increased plaque retention, loss of anatomical form and discoloration.

Keywords: Complete Denture Hygiene, Oral health, Oral hygiene practices.