Pengaruh bahan desensitasi pasca bleaching ekstrakoronal terhadap kekuatan geser pelekatan restorasi resin komposit

https://doi.org/10.22146/majkedgiind.11235

Ema Mulyawati(1*)

(1) Departemen Konservasi, Fakultas Kedokteran Gigi, Universitas Gadjah Mada, Yogyakarta, Indonesia
(*) Corresponding Author

Abstract


The Effect of desensitizing agent in post-extracoronal bleaching on shear bond strength of composite resin. The dentinal hypersensitivity is a common condition among patients after extracoronal bleaching treatment that usually needs the application of desensitizing agent. The purpose of this study was to evaluate the composite resin restoration shear bond strength with and without desensitizing application after extracoronal bleaching using 40% of H2O2. Twenty one extracted permanent human incisor teeth were randomly divided into 3 groups of 7 each. Group I was with the application of 40% H2O2 without any desensitizing agent. Group II was with the application of 40% of H2O2 with desensitizing agent and group III served as the control. The teeth were immersed in artificial saliva and stored in 37 °C incubator for 7 days. The teeth were restored using composite resin. After restoring the shear bond strength of composite resin was tested using a universal testing machine. Result and conclusion. there is no significant difference between bleaching group with and without desensitizing agent. The application of desensitizing agent after extracoronal bleaching did not impact the composite resin shear bond strength.


ABSTRAK

Dentin hipersensitif merupakan kondisi yang biasa dialami pasien setelah perawatan bleaching ekstrakoronal yang biasanya memerlukan aplikasi bahan desensitasi. Penelitian ini bertujuan untuk mengetahui pengaruh bahan desensitasi pasca bleaching ekstrakoronal menggunakan H2O2 40% terhadap kekutan geser pelekatan restorasi resin komposit. Dua puluh satu gigi permanen insisivus yang telah dicabut dibagi dalam tiga kelompok masing-masing 7 gigi. Kelompok I dilakukan bleaching ekstrakoronal dengan H2O2 tanpa bahan desensitasi. Kelompok II dilakukan bleaching setelah itu diaplikasikan bahan desensitasi dan kelompok III sebagai kelompok kontrol. Semua gigi-gigi tersebut di rendam dalam saliva buatan dan dimasukkan inkubator selama 7 hari pada suhu 37 °C. Selanjutnya seluruh gigi dilakukan restorasi resin komposit menggunakan light cure halogen. Setelah itu dilakukan pengujian kekuatan geser pelekatan menggunakan universal testing machine. Data dianalisis menggunakan uji Kruskal - Wallis. Hasil penelitian menunjukkan bahwa tidak ada perbedaan kekuatan geser pelekatan pada semua kelompok perlakuan (p > 0,05). Dari penelitian ini disimpulkan bahwa tidak terdapat pengaruh aplikasi bahan desensitasi pasca bleaching ekstrakoronal terhadap kekuatan geser pelekatan restorasi resin komposit.



Keywords


desensitizing agent; extracoronal bleaching; shear bond strength

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References

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DOI: https://doi.org/10.22146/majkedgiind.11235

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