Figure 4.
Effect of water concentration on the TMAFM phase-contrast images. Resin formulation: HEMA/BisGMA 30/70. (a) A-0%; (b) A-5%; (c) A-10%; It is noted that these phase images were carefully obtained from the area without voids or defects on the height images. [Color figure can be viewed in the online issue, which is available at www.interscience.wiley.com.]
