FIGURE 6: Scanning electron micrographs of metal mesh bracket base. Original magnification X30. Note uniform distribution of adhesive in mesh.

FIGURE 7: Scanning electron micrograph of APC bracket base. Original magnification X30. Note lack of adhesive at periphery of pad.

FIGURE 8: Scanning electron micrographs of metal mesh bracket base. Original magnification X50. Note uniform distribution of adhesive in mesh.

FIGURE 9: Scanning electron micrograph of APC bracket base. Original magnification X50. Note lack of adhesive at periphery of pad.

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