Ai Permpiboon. (2000) Comparison of fluoride concentration in plaque around orthodontic brackets and bond failure rate of brackets retained with a light-cured hybrid glass ionomer cement and a composite resin : a clinical study. Mahidol University,:ม.ป.ท.Ai Permpiboon. 2000. Comparison of fluoride concentration in plaque around orthodontic brackets and bond failure rate of brackets retained with a light-cured hybrid glass ionomer cement and a composite resin : a clinical study. ม.ป.ท.:Mahidol University,;Ai Permpiboon. Comparison of fluoride concentration in plaque around orthodontic brackets and bond failure rate of brackets retained with a light-cured hybrid glass ionomer cement and a composite resin : a clinical study. ม.ป.ท.:Mahidol University, 2000. Print.