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Kuat rekat tarik dan geser bahan bonding pada perekatan awal braket dengan pengetsaan dan perekatan ulang tanpa pengetsaan (penelitian laboratorik)

Nada Ismah, Erwin Siregar, Faruk Hoesin (Fakultas Kedokteran Gigi Universitas Indonesia, 2007)

 Abstrak

The incidence of loose brackets during orthodontic treatment has reached 5%; therefore, loose brackets should be rebonded. Rebonding without etching might decrease chair time without compromising bond strength. The objective of the study was to determine the shear bond strength and tensile bond strength of rebonded brackets without etching, in comparison with corresponding strength when using prior enamel etching. Forty human first upper premolar brackets were used as samples, divided into two groups. Group A (20 samples) were used to assess tensile bond strength, and group B (20) samples) to assess shear bond strength. Each group was tested twice with Universal testing Machine Shimadzu AG-5000. Test i was carried out to measure tensile and shear bond strength of brackets which were bonded after enamel etching, by pulling the brackets until loose. Test II was carried out to measure tensile and shear bond strength of brackets that were bonded without prior etching of the enamel, again by pulling the brackets until loose. The results showed a significant difference (p<0.05) between the two groups. Test II demonstrated significantly different tensile bond strength when compared to test I. Tensile and shear bond strength values of the bonding agent on rebonded bracket without etching were lower than tensile and shear bond strength values of the bonding agent in case of bonding with etching. However, even though the score decreased, it was still above the minimal score required for a bonding agent.

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 Metadata

No. Panggil : AJ-Pdf
Entri utama-Nama orang :
Entri tambahan-Nama orang :
Penerbitan : Jakarta: Fakultas Kedokteran Gigi Universitas Indonesia, 2007
Sumber Pengatalogan :
ISSN :
Majalah/Jurnal : Journal of Dentistry Indonesia
Volume : Vol. 14, No. 3, Desember 2007: 181-185
Tipe Konten :
Tipe Media :
Tipe Carrier :
Akses Elektronik :
Institusi Pemilik : Universitas Indonesia
Lokasi : Fakultas Kedokteran Gigi
  • Ketersediaan
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No. Panggil No. Barkod Ketersediaan
AJ-Pdf 03-20-256565184 TERSEDIA
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