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Evaluation of the Effect of Acidic Beverages on the Surface Roughness of Glass Ionomer Cement- An In-Vitro Study

Arjun Thomas1, Joyson Moses2, Arul Pari2 .

Abstract


Context: Glass Ionomer Cement (GIC) plays a very major role in paediatric dentistry due to its fluoride releasing properties and cost effectiveness. Factors that cause surface changes on enamel can similarly influence certain properties of the restoration. This clinically jeopardizes the life of the           restoration, as the ultimate success of the restorative material is indicated by its longevity in the oral cavity. One such    vulnerability is the surface erosion of restorative cement by acidic beverages.

 

Aims: To evaluate the effect of 4 commonly consumed      beverages on the surface integrity of Glass ionomer cement.

 

Settings and Design: GIC pellets of three brands were made and exposed to acidic beverages for two intervals of 5 mins and 25 mins.

 

Material and Methods:  Control samples were evaluated using surface profilometry to get base values and Scanning       Electron Microscope (SEM) imaging as an adjuvant. Test samples were also subject to profilometry and SEM imaging after exposure to acidic beverages.

 

Statistical analysis used: One-way ANOVA was applied and SPSS version 22.0 was used to analyse the data.            Significance level was fixed as 5% (α = 0.05).

 

Results: Test samples showed increased surface           roughness when compared to base samples with erosion directly     proportional      to  exposure  time.      Non-coloured     

 

carbonated beverage showed more erosive potential at short duration whereas natural fruit juice showed increased erosion at longer duration.

 

Conclusions: Post restorative protection along with diet control needs to be practised as an essential step to maintain the     longevity of GIC.

 


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