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 Indian J Med Microbiol  
 

Figure 7: Sample 4 - MDH Tooth Powder iron oxide shape – cuboidal-shaped size - 2–4 μm calcium carbonate shape – irregular-shaped size - 15–20 μm

Figure 7: Sample 4 - MDH Tooth Powder iron oxide shape – cuboidal-shaped size - 2–4 μm calcium carbonate shape – irregular-shaped size - 15–20 μm