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(a) Optical microscopy overview aspect of a Group 2 TAD, 10×. (b) Optical microscopy aspect of Group 2 TAD, 30×; Z1-Z2—cervical surface. (c) Optical microscopy aspect of Group 2 TAD, 45×; Z2—cervical surface. (d) SEM overview aspect of a Group 2 TAD. (e) SEM aspect of the head half, Z1-Z2 areas of a Group 2 TAD. (f) EDX analysis from the Z1 area of a Group 2 TAD surface. (g) EDX analysis from the Z2 area of a Group 2 TAD surface.
