Original Article

Potential of 10% strawberry gel (fragaria x annanassea) as an alternative bleaching agent for extrinsic discoloration of composite resin: an in vitro study

Mariska Juanita, Christine A. Rovani , Indrya K. Mattulada, Maria Tanumihardja

Mariska Juanita
Department of Conservative Dentistry, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia

Christine A. Rovani
Department of Conservative Dentistry, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia. Email: ch_rovani@yahoo.com

Indrya K. Mattulada
Department of Conservative Dentistry, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia

Maria Tanumihardja
Department of Conservative Dentistry, Faculty of Dentistry, Hasanuddin University, Makassar, Indonesia
Online First: April 01, 2019 | Cite this Article
Juanita, M., Rovani, C., Mattulada, I., Tanumihardja, M. 2019. Potential of 10% strawberry gel (fragaria x annanassea) as an alternative bleaching agent for extrinsic discoloration of composite resin: an in vitro study. Journal of Dentomaxillofacial Science 4(1): 22-27. DOI:10.15562/jdmfs.v4i1.832


Objective: The aim of this study was to examine the potential of 10% strawberry gel in reducing extrinsic discoloration of composite resin.

Material and Methods: This was a laboratory experimental study using 40 composite resins molded in 8-mm diameter and 2-mm thickness. Samples were soaked in coffee solution for 7 days to obtain discoloration and checked by VITAPAN classical®shade guideand adobe photoshop CS4 Version 11.0 by CIEL*a*b method. The discolored samples were randomly divided into two groups of 20 samples of each group. Group I was treated with 10% strawberry gel for  8 hours every day in 12 consecutive days and Group II as control group was treated with 10%carbamide peroxide in the same way as group 1.The color change was evaluated on day 3, 6, 9, and 12.

Results: The results showed a significant change of the color in each group according to Friedman test (p<0,05) while no significant color change difference of Group I when compared to Group II based on the results of Mann-Whitney test. Either 10% strawberry gel or10% carbamid peroxide could not return the composite resins color into the baseline.

Conclusion: 10% strawberry gel has similar potency as 10% carbamid peroxide in reducing extrinsic discoloration of composite resin.

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