5Chadwick BL.Products forprevention during orthodontics[J].Br L Or-thod,1994,21(4):395-398.
6Kilicoglu H.Comparision of the effectiveness of two types of toothbrushes on the orallhygiene of patients undergoing orthodontic treatment with fixed appliances[J].Am J Orthod Dentofacial Orthop,1997,111(6):591-594.
