Biomedical Engineering Reference
In-Depth Information
a
b
c
d
e
0
A
-20
-40
-60
B
A
-80
B
-100
0
2500
5000
Distance (nm)
Fig. 5.20
(
a
)-(
c
) AFM images of the scratches produced along the direction vertical to the enamel
rod's axis at 5, 20, and 50 mN, respectively; (
d
) detail of the scratch in (
b
); (
e
) cross-sectional
profile of the scratch in (
d
)
Fig. 5.21
(
a
) EDX analysis on the axial section of a human tooth; (
b
) variation in the concentra-
tion of P, Ca, C, and O elements along the distance
