Pengaruh Agitasi dan Lama Pengeringan Udara pada Pengaplikasian Self Etching One Step Adhesive Terhadap Kekuatan Geser Pelekatan Resin Komposit Pada Dentin



Nicke Rizki Romadhany(1*), Diatri Nari Ratih(2), Wignyo Hadriyanto(3)

(1) Program Studi Ilmu Konservasi Gigi, Program Pendidikan Dokter Gigi Spesialis, Fakultas Kedokteran Gigi, Universitas Gadjah Mada, Yogyakarta
(2) Bagian Ilmu Konservasi Gigi, Fakultas Kedokteran Gigi, Universitas Gadjah Mada, Yogyakarta
(3) Bagian Ilmu Konservasi Gigi, Fakultas Kedokteran Gigi, Universitas Gadjah Mada, Yogyakarta
(*) Corresponding Author

Abstract


Aplikasi sistem self-etching one-step adhesive mudah dan cepat, namun sistem bonding ini menunjukkan kekuatan bonding yang paling rendah. Penelitian ini dilakukan dengan tujuan untuk untuk mengetahui pengaruh agitasi dan lama pengeringan udara pada pengaplikasian self-etching one-step adhesive terhadap kekuatan geser pelekatan resin komposit pada dentin.
30 gigi premolar permanen atas manusia yang telah dicabut dipreparasi dan fiksasi dengan menggunakan resin akrilik self cure. Subjek penelitian dibagi secara acak menjadi 6 kelompok. Self etching one step adhesive diaplikasikan dengan atau tanpa agitasi dengan lama pengeringan udara 0 (tanpa pengeringan), 3 dan 5 detik, dan disinar selama 20 detik. Kemudian resin komposit diaplikasikan diatas bahan adhesif dan disinar selama 20 detik. Subjek penelitian diuji kekuatan geser. Data dianalisis menggunakan anava dua jalur dan LSD Post Hoc.
Hasil pengujian menunjukkan agitasi dan lama pengeringan udara berpengaruh pada pengaplikasian selfetching
one-step adhesive
terhadap kekuatan geser pelekatan resin komposit pada dentin (p<0.05).
Kesimpulan penelitian ini adalah agitasi dan lama pengeringan udara 3 dan 5 detik pada pengaplikasian self etching one-step adhesive meningkatkan kekuatan geser pelekatan resin komposit. Tidak ada interaksi antara lama pengeringan dengan udara dan perlakuan agitasi.

ABSTRACT
Self etching one step adhesive is easily and fast applied, however this system shows the lowest bond strength. The purpose of the study was to investigate the effect of agitation and air drying time in self etching one step adhesive application on composite resin shear bond strength to dentin.
Thirty caries free maxillary premolar teeth were prepared and fixed using self cure acrylic resin. All teeth were randomly assigned in six groups. Self etching one step adhesive (G Bond, GC) was applied with and without agitation followed by air-drying time of 0 (without air drying), three and five seconds, and was cured for 20 seconds. Composite resin (Solare, GC), was placed over cured adhesive and was cured for 20 seconds. The research subjects were tested. Data obtained were analyzed using two ways anava and LSD post-hoc test.
The statistical analysis using two ways anava revealed that agitation and air drying time affected the bond strength to dentin.(p<0.05).
It can be concluded that agitation significantly improved the shear bond strength to dentin, 3 and 5 seconds air drying time significantly affected the bond strength to dentin, but there is no interaction between agitation and air drying time.


Keywords


kekuatan geser pelekatan, self-etching one-step adhesive, agitasi, lama pengeringan udara, dentin, shear bond strength, self etching one step adhesive, agitation, air drying time

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