Roula Akl, Joseph Ghoubril, Geneviève Zgheib, Michel Le Gall, Camille Philip-Alliez
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Comparative study of excess glue around metallic APC™ Flash-Free adhesive system
Introduction: The aim of this in vitro study was to determine if there is a significant difference in the excess adhesive flash between the metallic APC™ Flash-Free adhesive system, the APC™ pre-coated adhesive system and a conventional uncoated system.
Materials and methods: One hundred eighty-six freshly extracted human premolars were randomly and blindly divided into three groups according to the type of brackets. Group A (control group n=60): The conventional uncoated metallic bracket (Victory, 3M Unitek®) with a Transbond XT™ Light Cure Adhesive Paste was used. Group B (n=60): The APC™ II metallic maxillary precoated premolar brackets was used. Group C (n=66) : The metallic APC™ Flash-Free adhesive system without flash clean up was used. Images were taken at 40 magnifications in a dental microscope (Leica M320 for dental, Wetzlar, Germany) then analyzed with the ImageJ software and the area of excess adhesive flash was measured.
Results: The mean percentage was significantly different between the three groups (p<0.001; ANOVA). It was significantly smaller for brackets in the APC Flash-Free group (p<0.001), and the difference was not significant between conventional brackets and APC (p=0.224).
Discussion: The new technique seems to reduce the amount of excessive adhesive around orthodontic brackets.
期刊介绍：
L’Orthodontie Française, organe officiel de communication de la Société Française d’Orthopédie Dento-Faciale, est un journal scientifique de référence depuis 1921, de diffusion internationale, indexé à Medline et référencé à l’Index Medicus et à Bibliodent. Le journal a pour vocation d’accueillir les travaux des membres de la SFODF, des conférenciers ayant communiqué lors des congrès de la Société, ou de tout travail soumis à l’approbation de son comité de rédaction, traitant de l’orthopédie dento-faciale ou de tout sujet en rapport avec cette discipline.
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