Welly Anggarani
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Journal : ODONTO Dental Journal

PENGARUH LAMA APLIKASI DAN WAKTU PERENDAMAN GIGI DENGAN JUS BUAH PIR TERHADAP PERUBAHAN WARNA DAN KEKERASAN MIKRO Dewi Ratma Utami; Andina Rizkia Putri Kusuma; Welly Anggarani
ODONTO : Dental Journal Vol 3, No 2 (2016): December 2016
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.3.2.111-117

Abstract

Background: Teeth discoloration is considered disturbing performance,therefore bleaching become an option for teeth whitening. Hydrogen Peroxide (H2O2) is commonly used, it is beneficial for teeth whitening but in other hand it has adverse effectin lowering micro hardness of the tooth. Hydrogen Peroxide can be found in pears. The objectives of this research were to determine the influences of application duration and immersion time of tooth when immersed in pear juice toward its discoloration and micro hardness.Method: An experimental study with pre-post test controlled group design were conducted using 28 premolars teeth which divided into four groups. Group A and Bwere immersed in pear juice with concentration of 100% for 30 and 60 minutes/day. Group C and D were immersed in H2O2 3% for 30 and 60 minutes/day each for 14 days. Tooth color and micro hardness of each tooth sample were recorded before and on 7thand 14thdays after immersion. The data was analyzed by friedman test, repeated anova, one-way anova and post hoc.Result: The average of tooth color index based on the duration of application in all four groups showed significant changes, while the average change in micro hardness index based on the duration of applications were shown significant difference only in group C and D. The difference of time immersion in pear juice 100% for 30 and 60 minutes had no effect on tooth discoloration and micro hardness.Conclusion: It can be concluded that pear juice can be used as an alternative material for bleaching process without deteriorating it’s micro hardness.
PERBEDAAN EFEKTIVITAS CHLORHEXIDINE GLUKONAT 0,2% DENGAN TEH HIJAU (CAMELLIA SINENSIS) TERHADAP JUMLAH PORPHYROMONAS GINGIVALIS Devi Dwipriastuti; R. Rama Putranto; Welly Anggarani
ODONTO : Dental Journal Vol 4, No 1 (2017): July 2017
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.4.1.50-54

Abstract

Background: Periodontitis is a periodontal inflammation caused by plaque that contains pathogens, Porphyromonas gingivalis is one of them. Chlorhexidine therapy used to reduce the number of pathogenic bacteria causing periodontitis. Green tea contains polyphenols such as epigallocatechin-3-gallic as antibacterial agent that can kill the bacteria Porphyromonas gingivalis. This study aims to determine differences in the effectiveness of chlorhexidine gluconate 0.2% with green tea (Camellia sinensis) various concentrations to decrease the amount of bacteria Porphyromonas gingivalis.Method: This research was experimental with post test only design. Method used in antibacterial test was a drop plate misra. The experimental group consisted of six groups: chlorhexidine gluconate 0.2% and green tea group with a concentration of 100%, 75%, 50%, 25% and 12.5%. minimum bactericidal concentrations againts Porphyromonas gingivalis was evidenced by counting the number of colonies that formed on agar. Analysis data was using One Way ANOVA continued by Post hoc tests Tamhane.Result: The results showed that chlorhexidine gluconate 0.2% with green tea effective to decrease the amount of bacteria Porphyromonas gingivalis(ANOVA p <0.05). The results between the groups showed green tea 100%, 75% and 25%, have same effect compared to chlorhexidine gluconate 0.2% in reducing Porphyromonas gingivalis.Conclusion: In this experiment showed that chlorhexidine gluconate 0.2% and green tea extract 100%, 75%, 50%, 25% and 12.5% were able to decrease the amount of Porphyromonas gingivalis.