Kebocoran Apikal pada Penggunaan Dua Macam Bahan Mineral Trioxide Aggregate sebagai Tumpatan Retrograd



Felisia Andriani(1*), Wignyo Hadriyanto(2), Sri Daradjati(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


MTA merupakan bahan yang relatif baru digunakan untuk perawatan endodontik antara lain sebagai bahan pengisi retrograd. Penelitian ini bertujuan untuk mengetahui perbedaan kebocoran apikal pada penggunaan 2 macam bahan MTA yang berbeda yaitu: ProRoot MTA dan BioMTA sebagai tumpatan retrograd.
Subjek penelitian 20 gigi premolar dengan kriteria akar tunggal dan lurus, dipotong bagian koronal menyisakan bagian apikal sepanjang 15 mm. Gigi dilakukan perawatan saluran akar dengan teknik preparasi crown down pressureless dengan Rotary instrument file (Protaper file) dan diobturasi dengan teknik single cone menggunakan siler AH plus. Selanjutnya dilakukan apikoektomi 3mm dari apikal dan preparasi retrograd kelas I sedalam 3mm dengan mikro bur. Subjek dibagi dalam 2 kelompok perlakuan sama banyak secara acak, masing – masing kelompok terdiri dari 10 gigi. Kelompok I diberi tumpatan retrograd bahan ProRoot MTA, kelompok II diberi tumpatan retrograd bahan BioMTA dan subjek disimpan dalam inkubator selama 3 minggu. Setelah itu subjek direndam dalam larutan biru metilen 2% dan disentrifugasi 3000 rpm selama 5 menit. Seluruh gigi dibelah secara longitudinal menggunakan disc diamond bur dan diamati dibawah Stereomikroskop (perbesaran 60x) penetrasi terjauh larutan biru metilen yang masuk dalam saluran akar dalam mm dibawah Stereomikroskop.
Analisis dengan menggunakan t-test didapatkan hasil ada perbedaan kebocoran apikal bahan tumpatan retrograd dengan menggunakan bahan Bio MTA dan bahan ProRoot MTA (p<0,05). Kesimpulan dari penelitian ini adalah bahan ProRoot MTA merupakan bahan tumpatan retrograd yang mempunyai angka kebocoran lebih tinggi dari bahan BioMTA jika digunakan sebagai bahan tumpatan retrograd pada tindakan apikoektomi.

ABSTRACT

MTA is a relatively new material used for endodontic treatment such as a retrograde filling material. This study aimed to determine differences in apical leakage on the use of two different kinds materials, namely MTA:ProRoot MTA and BioMTA as retrograde filling.
Twenty subjects premolars with single root criteria and straight, cut the remaining coronal sections along 15mm. Apical root teeth canal treatment performed preparation with crown down pressureless technique with rotary instrument files (Protaper files) and obturation single cone technique using AH plus siler. Further apicoectomy 3mm from the apical and retrograde preparation class I 3mm deep with a micro bur. Subjects were divided into 2 treatment groups were as much at random, respectively – each group consisted of 10 teeth. Group I was given retrograde filling ProRoot MTA materials, Group II was given retrograde filling BioMTA and subjects kept in a incubator for 3 weeks. After that the subject is immersed in 2% methylene blue solution and centrifuged at 3000 rpm for 5 min. The whole tooth split longitudinally using a diamond bur disc and observed under stereomicroscopr (magnification 60x) furthest penetration of incoming methylene blue solution in root canal in mm by using a stereomiscope
Analysis using a t-test found difference in outcome retrograde filling materials apical leakage using BioMTA and ProRootMTA (P<0,05). The conclusion of this study is the ProRoot MTA materials is retrograde filling materials that has a higher leakage rate than the BioMTA material if it is used as an retrograde filling materials in apicoectomy


Keywords


Apikoektomi, Bahan pengisi retrograd: ProRoot MTA, BioMTA

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