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- Title
Acid Resistance Induced by a New Orthodontic Bonding System in vitro.
- Authors
TOMIYAMA, Kiyoshi; MUKAI, Yoshiharu; TERANAKA, Toshio
- Abstract
The effect of fluoride-containing orthodontic resin bonding systems on acid resistance of adjacent enamel was evaluated using transversal microradiography. Four fluoride-containing orthodontic resin bonding systems : BeautyOrtho Bond (BO, BeautyOrtho Bond+Salivatect (BOS, Kurasper F (KP, Transbond XT (TB) and a resin-modified glass-ionomer (Fuji Ortho LC (FO)) were used. Superbond Orthomite (SB) was used as a non-fluoride material. Rectangular bovine enamel specimens (10×6 mm) were prepared. After curing the materials, nail varnish was applied to the enamel surfaces, leaving a gap of 1 mm from the cured material's periphery. The specimens were demineralized with 8% Methocel MC gel and 0.1 M lactic acid. BO, BOS, and FO revealed shallow lesions and distinct surface layers. The mineral losses of BO, BOS, and FO were significantly lower than those of TB, KP, and SB (p<0.05). In conclusion, the new system induced superior acid resistance in enamel surrounding orthodontic brackets.
- Subjects
DENTAL bonding; ORTHODONTICS; DENTAL resins; DENTAL enamel; DENTAL materials
- Publication
Dental Materials Journal, 2008, Vol 27, Issue 4, p590
- ISSN
0287-4547
- Publication type
Article
- DOI
10.4012/dmj.27.590