Preparation of Dicalcium Phosphate Anhydrous (Monetite) Biological Coating on Titanium by Spray-Drying Method

Figure 5

Surface morphology changes with increasing spray-drying repetition number: (a) 20 times; (b) 60 times; (c) 100 times; (d) 140 times.

(a)

(b)

(c)

(d)