Effect of Small Starfruit (Averrhoa bilimbi L.) Extract Gel on Tooth Enamel Color Changes

S. I.M. Musnadi, A. Noerdin, Bambang Irawan, A. Soufyan

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)


This study aimed to analyze the color change effect of the application of small starfruit extract gel on tooth enamel. Thirty specimens of bovine teeth were divided into 6 groups that would receive applications of gels with different concentrations of Aceh's small starfruit extracts (70%, 80%, 90%) and of Bogor's small starfruit extracts (70%, 80%, 90%). The application of the gel was performed 4 hours per day for 14 days. The measurement of the color changes was performed before application and after 7 and 14 days of application by using a VITA Easyshade®. The changes were calculated according to the CIEL∗a∗b∗ formula. Dependent t-tests showed that there were significant color changes after application of the gels containing 70% and 80% of small starfruit extracts for 7 and 14 days, but the gels caused discoloration instead of whitening of the enamel surface of bovine teeth.

Original languageEnglish
Article number032006
JournalJournal of Physics: Conference Series
Issue number3
Publication statusPublished - 7 Sept 2018
Event2nd Physics and Technologies in Medicine and Dentistry Symposium, PTMDS 2018 - Depok, West Java, Indonesia
Duration: 18 Jul 201818 Jul 2018


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