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- Title
Shear bond strength evaluation of metallic brackets using self-etching system.
- Authors
Melgaço, Camilo Aquino; Guerra de Andrade, Graciele; De Souza Araújo, Mônica Tirre; Nojima, Lincoln Issamu
- Abstract
Objective: To evaluate the shear bond strength of metallic brackets using the self-etching system after its activation and storage for 2, 5 and 9 day periods. Methods: A total of 64 bovine teeth were divided in four groups and prepared to receive the brackets. Initially (T1), 7 self-etching primer blisters were activated and used to bond the brackets of group I. The blisters were stored at a constant temperature of 4°C for 2 (T2), 5 (T3) and 9 (T4) days and used to bond the brackets of groups II, III and IV, respectively. Results: No statistic difference was found in shear bond strength comparing groups I, II and III. However, a significant difference was found in group IV. Conclusion: The shear bond strength seems not to be affected by activation and storage of the self-etching primer at a mean temperature of 4°C for a 5 day period. More studies are necessary to evaluate other characteristics of the material after its activation and storage for long periods of time.
- Subjects
DENTAL research; STRENGTH of materials; ORTHODONTIC appliances; DENTAL bonding; DENTAL materials
- Publication
Dental Press Journal of Orthodontics, 2011, Vol 16, Issue 4, p73
- ISSN
2176-9451
- Publication type
Article