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"ABSTRAK Latar belakang: Ketahanan ikatan antara resin komposit dengan dentin merupakan penentu keberhasilan restorasi resin komposit.Tujuan: Menganalisis EBA terhadap kekuatan ikat resin-dentin.Metode: 48 sampel dentin dibagi menjadi 6 kelompok. Kemudianseluruh kelompok di ukur kekuatan ikat gesernya menggunakan UTM.Data dianalisa statistik dengan uji hipotesis Kruskal Wallis yangdilanjutkan dengan uji Mann Whitney. Hasil: Median tertinggikelompok 3, sedangkan median terendah kelompok 5. Kesimpulan:Ekstrak biji anggur yang diaplikasikan sebelum etsa dapatmeningkatkan kekuatan ikat gesek namun tidak dapat menghambatbiodegradasinya.ABSTRACT Background: Resilience of resin-dentin bonding known as one ofsuccess composite resin restoration determinants. Aim: To analyze theeffect of grape seed extract on resin-dentin shear bond strength.Methods: 48 dentin sample were divided into 6 groups. Shear bondstrengths measured using UTM. Statistical analysis was done byKruskal Wallis test and Mann Whitney test. Results: The highestmedian value was highest on group 3, and the lowest was group 5.Conclusion: Grape seed extract can improve the shear bond strengthbut not have effect on reducing the biodegradation.;Background: Resilience of resin-dentin bonding known as one ofsuccess composite resin restoration determinants. Aim: To analyze theeffect of grape seed extract on resin-dentin shear bond strength.Methods: 48 dentin sample were divided into 6 groups. Shear bondstrengths measured using UTM. Statistical analysis was done byKruskal Wallis test and Mann Whitney test. Results: The highestmedian value was highest on group 3, and the lowest was group 5.Conclusion: Grape seed extract can improve the shear bond strengthbut not have effect on reducing the biodegradation."

"Latar Belakang: Hipersensitif dentin dipengaruhi oleh akumulasi plak pada permukaan gigi dan penetrasi bakteri pada tubulus dentin. Tujuan: Menganalisis proporsi serotipe c Streptococcus mutans dan tingkat keasaman di dalam plak dan saliva penderita resesi gingiva yang hipersensitif dentin dengan penderita resesi gingiva yang non hipersensitif. Metode: Tiga puluh enam sampel plak dan saliva dibagi dalam dua kelompok yaitu kelompok hipersensitif dan non hipersensitif. Dilakukan ekstrak DNA sampel, pengukuran pH sampel dan evaluasi amplifikasi serotipe c Streptococcus mutans dengan alat Real Time PCR. Hasil: Proporsi serotipe c Streptococcus mutans di dalam plak dan saliva tidak berbeda pada penderita resesi gingiva dengan hipersensitif dentin maupun non hipersensitif, Kesimpulan: Proporsi serotipe c Streptococcus mutans plak dan saliva tidak mempengaruhi hipersensitif dentin.

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Background: dentin hypersensitivity is affected by the accumulation of plaque on the tooth surface and penetration of bacteria in the dentinal tubules.

Objective: To analyze the proportion of serotype c Streptococcus mutans and the level of acidity in plaque and saliva of patients with hypersensitive dentin and non hypersensitive.

Methods: Thirty-six plaque and saliva samples were divided into two groups: the hypersensitive and non-hypersensitive. Extract the sample DNA, measure the acidity levels and evaluate serotype c Streptococcus mutans amplification with Real Time PCR.

Results: The proportion of serotype c Streptococcus mutans in plaque and saliva is not significantly different in the patients with gingival recession both hypersensitive and non-hypersensitive.

Conclusions: The proportion of serotype c Streptococcus mutans in plaque and saliva are equally well both in hypersensitive and non hypersensitive cases."

"Latar belakang: Silver Diamine Fluoride dan Laser CO2 merupakan alternatif perawatan yang dapat dipilih untuk menangani hipersensivitas denton.Tujuan: Mengetahui efektivitas penggunaan Silver Diamine Fluoride dan Laser CO2 dalam menurunkan skor hipersensitivitas dentin. Metode: Penelitian ini menggunakan desain single blind, split-mouth randomized controlled trial yang melibatkan 16 subjek dengan keluhan gigi sensitif dan memiliki minimal dua gigi yang positif terhadap uji evaporatif atau uji thermal. Subjek akan diaplikasikan Silver Diamine Fluoride dan Laser CO2. Pengukuran hipersensitivitas dentin dilakukan dengan stimulus evaporatif dan termal dan DIAGNOdent pasca aplikasi, 7 hari dan 14 hari setelah aplikasi. Hasil: Terjadi penurunan skor Hipersensitivitas dan DIAGNOdent yang berbeda bermakna terhadap data baseline segera pasca aplikasi, 7 hari dan 14 hari pasca aplikasi p=0,000 untuk stimulus evaporatif, termal dan DIAGNOdent . Tetapi tidak terdapat perbedaan bermakna secara statistik antara aplikasi Silver Diamine Fluoride dan aplikasi Silver Diamine Fluoride dan Laser CO2 pada setiap pengukuran. Kesimpulan: Penggunaan Silver Diamine Fluoride dan Laser CO2 efektif dalam menurunkan skor hipersensitivitas dentin.

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Background: Silver Diamine fluoride and CO2 Laser are a new alternative treatment for dentin hypersensitivity.

Objective: To evaluate the efficacy of Silver Diamine Fluoride and CO2 Laser in reducing dentin hypersensitivity score.

Methods: The study used a single blind, split mouth design randomized controlled trial involving 16 subjects with symptoms of sensitive teeth and have at least two hypersensitive teeth which are positive to evaporative or thermal test. The subject teeth surface will be applied Silver diamine fluoride and CO2 Laser will be applied to the subject teeth surface.

Results: This clinical study demonstrated that the application of Silver Diamine Fluoride and CO2 Laser reduce dentin hypersensitivity significantly in each measurement p 0,000 for evaporative and thermal stimulus. But there is no statistically significant differences between the two application.

Conclusion: The usage of Silver Diamine Fluoride and CO2 Laser are effective to reduce the degree of dentin hypersensitivity. "