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| Titel: |
Comparison of bond strength of lingual brackets under different composite base forming method. |
| Auteur: |
Burak Aksu M. Cem Caniklioğlu Yıldız Öztürk |
| Verschenen in: |
Hellenic orthodontic review |
| Paginering: | Jaargang 8 (2005) nr. 2 pagina's 81-91 |
| Jaar: |
2005 |
| Inhoud: |
AIM: To investigate the shear bond strength of indirectly bonded Ormco lingual brackets, using different composite bracket base preparation. DESIGN: Prospective random study SETTING: This study was conducted at Department of Orthodontics of the School of Dentistry of the University of Istanbul in 2004 MATERIAL AND METHODS: Twenty mandibular premolars extracted for orthodontic purposes were selected and divided into two equal groups. Group 1: (n=10) 1 mm composite base was constructed directly on the intact bracket base. Group 2: (n=10) the bracket bases were first sandblasted with a microetcher using 50 μm aluminium oxide particles and then the 1 mm composite base was constructed. INTERVENTION: The universal Lloyd testing instrument used for the application of shear forces. MAIN OUTCOME MEASURES: Results were compared statistically using analysis of variance and chi-square tests. RESULTS: The mean of shear bond strength test was 9.46±0.78 MPa and 12.11±0.82 MPa for group 1 and group 2 respectively. The difference was found to be statistically significant (P<0.001). The analysis of variance demonstrated that there were also statistically significant differences in adhesive remnant index (ARI) scores between the groups (P<0.001). CONCLUSIONS: Sandblasting of the bracket bases increased the shear bond strength and the redundant between the bracket and the composite base. |
| Uitgever: |
Greek Orthodontic Society |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 1 van 6 gevonden artikelen
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